diff options
Diffstat (limited to 'libc-bottom-half/headers')
| -rw-r--r-- | libc-bottom-half/headers/private/wasi/descriptor_table.h | 127 | ||||
| -rw-r--r-- | libc-bottom-half/headers/private/wasi/sockets_utils.h | 53 | ||||
| -rw-r--r-- | libc-bottom-half/headers/public/__errno.h | 5 | ||||
| -rw-r--r-- | libc-bottom-half/headers/public/__header_dirent.h | 13 | ||||
| -rw-r--r-- | libc-bottom-half/headers/public/__header_sys_socket.h | 34 | ||||
| -rw-r--r-- | libc-bottom-half/headers/public/__mode_t.h | 2 | ||||
| -rw-r--r-- | libc-bottom-half/headers/public/__wasi_snapshot.h | 5 | ||||
| -rw-r--r-- | libc-bottom-half/headers/public/wasi/wasip2.h | 2486 |
8 files changed, 2716 insertions, 9 deletions
diff --git a/libc-bottom-half/headers/private/wasi/descriptor_table.h b/libc-bottom-half/headers/private/wasi/descriptor_table.h new file mode 100644 index 0000000..8e9a90d --- /dev/null +++ b/libc-bottom-half/headers/private/wasi/descriptor_table.h @@ -0,0 +1,127 @@ +#ifndef DESCRIPTOR_TABLE_H +#define DESCRIPTOR_TABLE_H + +#include <wasi/wasip2.h> + +typedef struct { + int dummy; +} tcp_socket_state_unbound_t; +typedef struct { + int dummy; +} tcp_socket_state_bound_t; +typedef struct { + int dummy; +} tcp_socket_state_connecting_t; +typedef struct { + int dummy; +} tcp_socket_state_listening_t; + +typedef struct { + streams_own_input_stream_t input; + poll_own_pollable_t input_pollable; + streams_own_output_stream_t output; + poll_own_pollable_t output_pollable; +} tcp_socket_state_connected_t; + +typedef struct { + network_error_code_t error_code; +} tcp_socket_state_connect_failed_t; + +// This is a tagged union. When adding/removing/renaming cases, be sure to keep the tag and union definitions in sync. +typedef struct { + enum { + TCP_SOCKET_STATE_UNBOUND, + TCP_SOCKET_STATE_BOUND, + TCP_SOCKET_STATE_CONNECTING, + TCP_SOCKET_STATE_CONNECTED, + TCP_SOCKET_STATE_CONNECT_FAILED, + TCP_SOCKET_STATE_LISTENING, + } tag; + union { + tcp_socket_state_unbound_t unbound; + tcp_socket_state_bound_t bound; + tcp_socket_state_connecting_t connecting; + tcp_socket_state_connected_t connected; + tcp_socket_state_connect_failed_t connect_failed; + tcp_socket_state_listening_t listening; + }; +} tcp_socket_state_t; + +typedef struct { + tcp_own_tcp_socket_t socket; + poll_own_pollable_t socket_pollable; + bool blocking; + bool fake_nodelay; + bool fake_reuseaddr; + network_ip_address_family_t family; + tcp_socket_state_t state; +} tcp_socket_t; + +typedef struct { + udp_own_incoming_datagram_stream_t incoming; + poll_own_pollable_t incoming_pollable; + udp_own_outgoing_datagram_stream_t outgoing; + poll_own_pollable_t outgoing_pollable; +} udp_socket_streams_t; + +typedef struct { + int dummy; +} udp_socket_state_unbound_t; +typedef struct { + int dummy; +} udp_socket_state_bound_nostreams_t; + +typedef struct { + udp_socket_streams_t streams; // Streams have no remote_address +} udp_socket_state_bound_streaming_t; + +typedef struct { + udp_socket_streams_t streams; // Streams have a remote_address +} udp_socket_state_connected_t; + +// This is a tagged union. When adding/removing/renaming cases, be sure to keep the tag and union definitions in sync. +// The "bound" state is split up into two distinct tags: +// - "bound_nostreams": Bound, but no datagram streams set up (yet). That will be done the first time send or recv is called. +// - "bound_streaming": Bound with active streams. +typedef struct { + enum { + UDP_SOCKET_STATE_UNBOUND, + UDP_SOCKET_STATE_BOUND_NOSTREAMS, + UDP_SOCKET_STATE_BOUND_STREAMING, + UDP_SOCKET_STATE_CONNECTED, + } tag; + union { + udp_socket_state_unbound_t unbound; + udp_socket_state_bound_nostreams_t bound_nostreams; + udp_socket_state_bound_streaming_t bound_streaming; + udp_socket_state_connected_t connected; + }; +} udp_socket_state_t; + +typedef struct { + udp_own_udp_socket_t socket; + poll_own_pollable_t socket_pollable; + bool blocking; + network_ip_address_family_t family; + udp_socket_state_t state; +} udp_socket_t; + +// This is a tagged union. When adding/removing/renaming cases, be sure to keep the tag and union definitions in sync. +typedef struct { + enum { + DESCRIPTOR_TABLE_ENTRY_TCP_SOCKET, + DESCRIPTOR_TABLE_ENTRY_UDP_SOCKET, + } tag; + union { + tcp_socket_t tcp_socket; + udp_socket_t udp_socket; + }; +} descriptor_table_entry_t; + +bool descriptor_table_insert(descriptor_table_entry_t entry, int *fd); + +bool descriptor_table_get_ref(int fd, descriptor_table_entry_t **entry); + +bool descriptor_table_remove(int fd, descriptor_table_entry_t *entry); + +#endif diff --git a/libc-bottom-half/headers/private/wasi/sockets_utils.h b/libc-bottom-half/headers/private/wasi/sockets_utils.h new file mode 100644 index 0000000..93cf1f4 --- /dev/null +++ b/libc-bottom-half/headers/private/wasi/sockets_utils.h @@ -0,0 +1,53 @@ +#ifndef __wasi_sockets_utils_h +#define __wasi_sockets_utils_h + +#include <netinet/in.h> + +#include <wasi/descriptor_table.h> + +typedef struct { + enum { + OUTPUT_SOCKADDR_NULL, + OUTPUT_SOCKADDR_V4, + OUTPUT_SOCKADDR_V6, + } tag; + union { + struct { + int dummy; + } null; + struct { + struct sockaddr_in *addr; + socklen_t *addrlen; + } v4; + struct { + struct sockaddr_in6 *addr; + socklen_t *addrlen; + } v6; + }; +} output_sockaddr_t; + +network_borrow_network_t __wasi_sockets_utils__borrow_network(); +int __wasi_sockets_utils__map_error(network_error_code_t wasi_error); +bool __wasi_sockets_utils__parse_address( + network_ip_address_family_t expected_family, + const struct sockaddr *address, socklen_t len, + network_ip_socket_address_t *result, int *error); +bool __wasi_sockets_utils__output_addr_validate( + network_ip_address_family_t expected_family, struct sockaddr *addr, + socklen_t *addrlen, output_sockaddr_t *result); +void __wasi_sockets_utils__output_addr_write( + const network_ip_socket_address_t input, output_sockaddr_t *output); +int __wasi_sockets_utils__posix_family(network_ip_address_family_t wasi_family); +network_ip_socket_address_t +__wasi_sockets_utils__any_addr(network_ip_address_family_t family); +int __wasi_sockets_utils__tcp_bind(tcp_socket_t *socket, + network_ip_socket_address_t *address); +int __wasi_sockets_utils__udp_bind(udp_socket_t *socket, + network_ip_socket_address_t *address); +bool __wasi_sockets_utils__stream(udp_socket_t *socket, + network_ip_socket_address_t *remote_address, + udp_socket_streams_t *result, + network_error_code_t *error); +void __wasi_sockets_utils__drop_streams(udp_socket_streams_t streams); + +#endif diff --git a/libc-bottom-half/headers/public/__errno.h b/libc-bottom-half/headers/public/__errno.h index 4fd983a..008245d 100644 --- a/libc-bottom-half/headers/public/__errno.h +++ b/libc-bottom-half/headers/public/__errno.h @@ -5,16 +5,11 @@ extern "C" { #endif -#ifdef __cplusplus -extern thread_local int errno; -#else extern _Thread_local int errno; -#endif #define errno errno #ifdef __cplusplus } #endif - #endif diff --git a/libc-bottom-half/headers/public/__header_dirent.h b/libc-bottom-half/headers/public/__header_dirent.h index ccf3def..027fc07 100644 --- a/libc-bottom-half/headers/public/__header_dirent.h +++ b/libc-bottom-half/headers/public/__header_dirent.h @@ -11,12 +11,16 @@ #define DT_REG __WASI_FILETYPE_REGULAR_FILE #define DT_UNKNOWN __WASI_FILETYPE_UNKNOWN +// DT_SOCK is not supported in WASI Preview 1 (but will be in Preview 2). We +// define it regardless so that libc++'s `<filesystem>` implementation builds. +// The exact value is mostly arbitrary, but chosen so it doesn't conflict with +// any of the existing `__WASI_FILETYPE_*` flags. We do not expect any new +// flags to be added to WASI Preview 1, so that should be sufficient. +#define DT_SOCK 20 + #define IFTODT(x) (__wasilibc_iftodt(x)) #define DTTOIF(x) (__wasilibc_dttoif(x)) -int __wasilibc_iftodt(int x); -int __wasilibc_dttoif(int x); - #include <__struct_dirent.h> #include <__typedef_DIR.h> @@ -24,6 +28,9 @@ int __wasilibc_dttoif(int x); extern "C" { #endif +int __wasilibc_iftodt(int x); +int __wasilibc_dttoif(int x); + int closedir(DIR *); DIR *opendir(const char *); DIR *fdopendir(int); diff --git a/libc-bottom-half/headers/public/__header_sys_socket.h b/libc-bottom-half/headers/public/__header_sys_socket.h index 8ba4eff..fa98cca 100644 --- a/libc-bottom-half/headers/public/__header_sys_socket.h +++ b/libc-bottom-half/headers/public/__header_sys_socket.h @@ -1,6 +1,7 @@ #ifndef __wasilibc___header_sys_socket_h #define __wasilibc___header_sys_socket_h +#include <__wasi_snapshot.h> #include <__struct_msghdr.h> #include <__struct_sockaddr.h> #include <__struct_sockaddr_storage.h> @@ -11,9 +12,42 @@ #define SHUT_WR __WASI_SDFLAGS_WR #define SHUT_RDWR (SHUT_RD | SHUT_WR) +#ifdef __wasilibc_use_wasip2 +#define MSG_DONTWAIT 0x0040 +#define MSG_NOSIGNAL 0x4000 +#define MSG_PEEK 0x0002 +#define MSG_WAITALL 0x0100 +#define MSG_TRUNC 0x0020 + +#define SOL_IP 0 +#define SOL_TCP 6 +#define SOL_UDP 17 +#define SOL_IPV6 41 + +#define SOMAXCONN 128 + +#define SO_REUSEADDR 2 +#define SO_ERROR 4 +#define SO_SNDBUF 7 +#define SO_RCVBUF 8 +#define SO_KEEPALIVE 9 +#define SO_ACCEPTCONN 30 +#define SO_PROTOCOL 38 +#define SO_DOMAIN 39 + +#if __LONG_MAX == 0x7fffffff +#define SO_RCVTIMEO 66 +#define SO_SNDTIMEO 67 +#else +#define SO_RCVTIMEO 20 +#define SO_SNDTIMEO 21 +#endif + +#else // __wasilibc_use_wasip2 #define MSG_PEEK __WASI_RIFLAGS_RECV_PEEK #define MSG_WAITALL __WASI_RIFLAGS_RECV_WAITALL #define MSG_TRUNC __WASI_ROFLAGS_RECV_DATA_TRUNCATED +#endif // __wasilibc_use_wasip2 #define SOCK_DGRAM __WASI_FILETYPE_SOCKET_DGRAM #define SOCK_STREAM __WASI_FILETYPE_SOCKET_STREAM diff --git a/libc-bottom-half/headers/public/__mode_t.h b/libc-bottom-half/headers/public/__mode_t.h index c0beef5..d2dbe04 100644 --- a/libc-bottom-half/headers/public/__mode_t.h +++ b/libc-bottom-half/headers/public/__mode_t.h @@ -9,7 +9,7 @@ #define S_IFLNK (0xa000) #define S_IFREG (0x8000) #define S_IFSOCK (0xc000) -#define S_IFIFO (0xc000) +#define S_IFIFO (0x1000) #define S_ISBLK(m) (((m)&S_IFMT) == S_IFBLK) #define S_ISCHR(m) (((m)&S_IFMT) == S_IFCHR) diff --git a/libc-bottom-half/headers/public/__wasi_snapshot.h b/libc-bottom-half/headers/public/__wasi_snapshot.h new file mode 100644 index 0000000..9a10078 --- /dev/null +++ b/libc-bottom-half/headers/public/__wasi_snapshot.h @@ -0,0 +1,5 @@ +/* This file is (practically) empty by default. The Makefile will replace it + with a non-empty version that defines `__wasilibc_use_wasip2` if targeting + `wasm32-wasip2`. + */ + diff --git a/libc-bottom-half/headers/public/wasi/wasip2.h b/libc-bottom-half/headers/public/wasi/wasip2.h new file mode 100644 index 0000000..49bb9b8 --- /dev/null +++ b/libc-bottom-half/headers/public/wasi/wasip2.h @@ -0,0 +1,2486 @@ +// Generated by `wit-bindgen` 0.17.0. DO NOT EDIT! +#ifndef __BINDINGS_WASIP2_H +#define __BINDINGS_WASIP2_H +#ifdef __cplusplus +extern "C" { +#endif + +#include <stdlib.h> +#include <string.h> +#include <stdint.h> +#include <stdbool.h> + +typedef struct { + uint8_t*ptr; + size_t len; +} wasip2_string_t; + +typedef struct { + wasip2_string_t f0; + wasip2_string_t f1; +} wasip2_tuple2_string_string_t; + +typedef struct { + wasip2_tuple2_string_string_t *ptr; + size_t len; +} wasip2_list_tuple2_string_string_t; + +typedef struct { + wasip2_string_t *ptr; + size_t len; +} wasip2_list_string_t; + +typedef struct { + bool is_some; + wasip2_string_t val; +} wasip2_option_string_t; + +typedef struct { + bool is_err; +} exit_result_void_void_t; + +typedef struct io_error_own_error_t { + int32_t __handle; +} io_error_own_error_t; + +typedef struct io_error_borrow_error_t { + int32_t __handle; +} io_error_borrow_error_t; + +typedef struct poll_own_pollable_t { + int32_t __handle; +} poll_own_pollable_t; + +typedef struct poll_borrow_pollable_t { + int32_t __handle; +} poll_borrow_pollable_t; + +typedef struct { + poll_borrow_pollable_t *ptr; + size_t len; +} poll_list_borrow_pollable_t; + +typedef struct { + uint32_t *ptr; + size_t len; +} wasip2_list_u32_t; + +typedef io_error_own_error_t streams_own_error_t; + +// An error for input-stream and output-stream operations. +typedef struct { + uint8_t tag; + union { + streams_own_error_t last_operation_failed; + } val; +} streams_stream_error_t; + +// The last operation (a write or flush) failed before completion. +// +// More information is available in the `error` payload. +#define STREAMS_STREAM_ERROR_LAST_OPERATION_FAILED 0 +// The stream is closed: no more input will be accepted by the +// stream. A closed output-stream will return this error on all +// future operations. +#define STREAMS_STREAM_ERROR_CLOSED 1 + +typedef struct streams_own_input_stream_t { + int32_t __handle; +} streams_own_input_stream_t; + +typedef struct streams_borrow_input_stream_t { + int32_t __handle; +} streams_borrow_input_stream_t; + +typedef struct streams_own_output_stream_t { + int32_t __handle; +} streams_own_output_stream_t; + +typedef struct streams_borrow_output_stream_t { + int32_t __handle; +} streams_borrow_output_stream_t; + +typedef struct { + uint8_t *ptr; + size_t len; +} wasip2_list_u8_t; + +typedef struct { + bool is_err; + union { + wasip2_list_u8_t ok; + streams_stream_error_t err; + } val; +} streams_result_list_u8_stream_error_t; + +typedef struct { + bool is_err; + union { + uint64_t ok; + streams_stream_error_t err; + } val; +} streams_result_u64_stream_error_t; + +typedef poll_own_pollable_t streams_own_pollable_t; + +typedef struct { + bool is_err; + union { + streams_stream_error_t err; + } val; +} streams_result_void_stream_error_t; + +typedef streams_own_input_stream_t stdin_own_input_stream_t; + +typedef streams_own_output_stream_t stdout_own_output_stream_t; + +typedef streams_own_output_stream_t stderr_own_output_stream_t; + +typedef struct terminal_input_own_terminal_input_t { + int32_t __handle; +} terminal_input_own_terminal_input_t; + +typedef struct terminal_input_borrow_terminal_input_t { + int32_t __handle; +} terminal_input_borrow_terminal_input_t; + +typedef struct terminal_output_own_terminal_output_t { + int32_t __handle; +} terminal_output_own_terminal_output_t; + +typedef struct terminal_output_borrow_terminal_output_t { + int32_t __handle; +} terminal_output_borrow_terminal_output_t; + +typedef terminal_input_own_terminal_input_t terminal_stdin_own_terminal_input_t; + +typedef struct { + bool is_some; + terminal_stdin_own_terminal_input_t val; +} terminal_stdin_option_own_terminal_input_t; + +typedef terminal_output_own_terminal_output_t terminal_stdout_own_terminal_output_t; + +typedef struct { + bool is_some; + terminal_stdout_own_terminal_output_t val; +} terminal_stdout_option_own_terminal_output_t; + +typedef terminal_output_own_terminal_output_t terminal_stderr_own_terminal_output_t; + +typedef struct { + bool is_some; + terminal_stderr_own_terminal_output_t val; +} terminal_stderr_option_own_terminal_output_t; + +// An instant in time, in nanoseconds. An instant is relative to an +// unspecified initial value, and can only be compared to instances from +// the same monotonic-clock. +typedef uint64_t monotonic_clock_instant_t; + +// A duration of time, in nanoseconds. +typedef uint64_t monotonic_clock_duration_t; + +typedef poll_own_pollable_t monotonic_clock_own_pollable_t; + +// A time and date in seconds plus nanoseconds. +typedef struct { + uint64_t seconds; + uint32_t nanoseconds; +} wall_clock_datetime_t; + +typedef wall_clock_datetime_t filesystem_datetime_t; + +// File size or length of a region within a file. +typedef uint64_t filesystem_filesize_t; + +// The type of a filesystem object referenced by a descriptor. +// +// Note: This was called `filetype` in earlier versions of WASI. +typedef uint8_t filesystem_descriptor_type_t; + +// The type of the descriptor or file is unknown or is different from +// any of the other types specified. +#define FILESYSTEM_DESCRIPTOR_TYPE_UNKNOWN 0 +// The descriptor refers to a block device inode. +#define FILESYSTEM_DESCRIPTOR_TYPE_BLOCK_DEVICE 1 +// The descriptor refers to a character device inode. +#define FILESYSTEM_DESCRIPTOR_TYPE_CHARACTER_DEVICE 2 +// The descriptor refers to a directory inode. +#define FILESYSTEM_DESCRIPTOR_TYPE_DIRECTORY 3 +// The descriptor refers to a named pipe. +#define FILESYSTEM_DESCRIPTOR_TYPE_FIFO 4 +// The file refers to a symbolic link inode. +#define FILESYSTEM_DESCRIPTOR_TYPE_SYMBOLIC_LINK 5 +// The descriptor refers to a regular file inode. +#define FILESYSTEM_DESCRIPTOR_TYPE_REGULAR_FILE 6 +// The descriptor refers to a socket. +#define FILESYSTEM_DESCRIPTOR_TYPE_SOCKET 7 + +// Descriptor flags. +// +// Note: This was called `fdflags` in earlier versions of WASI. +typedef uint8_t filesystem_descriptor_flags_t; + +// Read mode: Data can be read. +#define FILESYSTEM_DESCRIPTOR_FLAGS_READ (1 << 0) +// Write mode: Data can be written to. +#define FILESYSTEM_DESCRIPTOR_FLAGS_WRITE (1 << 1) +// Request that writes be performed according to synchronized I/O file +// integrity completion. The data stored in the file and the file's +// metadata are synchronized. This is similar to `O_SYNC` in POSIX. +// +// The precise semantics of this operation have not yet been defined for +// WASI. At this time, it should be interpreted as a request, and not a +// requirement. +#define FILESYSTEM_DESCRIPTOR_FLAGS_FILE_INTEGRITY_SYNC (1 << 2) +// Request that writes be performed according to synchronized I/O data +// integrity completion. Only the data stored in the file is +// synchronized. This is similar to `O_DSYNC` in POSIX. +// +// The precise semantics of this operation have not yet been defined for +// WASI. At this time, it should be interpreted as a request, and not a +// requirement. +#define FILESYSTEM_DESCRIPTOR_FLAGS_DATA_INTEGRITY_SYNC (1 << 3) +// Requests that reads be performed at the same level of integrety +// requested for writes. This is similar to `O_RSYNC` in POSIX. +// +// The precise semantics of this operation have not yet been defined for +// WASI. At this time, it should be interpreted as a request, and not a +// requirement. +#define FILESYSTEM_DESCRIPTOR_FLAGS_REQUESTED_WRITE_SYNC (1 << 4) +// Mutating directories mode: Directory contents may be mutated. +// +// When this flag is unset on a descriptor, operations using the +// descriptor which would create, rename, delete, modify the data or +// metadata of filesystem objects, or obtain another handle which +// would permit any of those, shall fail with `error-code::read-only` if +// they would otherwise succeed. +// +// This may only be set on directories. +#define FILESYSTEM_DESCRIPTOR_FLAGS_MUTATE_DIRECTORY (1 << 5) + +// Flags determining the method of how paths are resolved. +typedef uint8_t filesystem_path_flags_t; + +// As long as the resolved path corresponds to a symbolic link, it is +// expanded. +#define FILESYSTEM_PATH_FLAGS_SYMLINK_FOLLOW (1 << 0) + +// Open flags used by `open-at`. +typedef uint8_t filesystem_open_flags_t; + +// Create file if it does not exist, similar to `O_CREAT` in POSIX. +#define FILESYSTEM_OPEN_FLAGS_CREATE (1 << 0) +// Fail if not a directory, similar to `O_DIRECTORY` in POSIX. +#define FILESYSTEM_OPEN_FLAGS_DIRECTORY (1 << 1) +// Fail if file already exists, similar to `O_EXCL` in POSIX. +#define FILESYSTEM_OPEN_FLAGS_EXCLUSIVE (1 << 2) +// Truncate file to size 0, similar to `O_TRUNC` in POSIX. +#define FILESYSTEM_OPEN_FLAGS_TRUNCATE (1 << 3) + +// Number of hard links to an inode. +typedef uint64_t filesystem_link_count_t; + +typedef struct { + bool is_some; + filesystem_datetime_t val; +} filesystem_option_datetime_t; + +// File attributes. +// +// Note: This was called `filestat` in earlier versions of WASI. +typedef struct { + // File type. + filesystem_descriptor_type_t type; + // Number of hard links to the file. + filesystem_link_count_t link_count; + // For regular files, the file size in bytes. For symbolic links, the + // length in bytes of the pathname contained in the symbolic link. + filesystem_filesize_t size; + // Last data access timestamp. + // + // If the `option` is none, the platform doesn't maintain an access + // timestamp for this file. + filesystem_option_datetime_t data_access_timestamp; + // Last data modification timestamp. + // + // If the `option` is none, the platform doesn't maintain a + // modification timestamp for this file. + filesystem_option_datetime_t data_modification_timestamp; + // Last file status-change timestamp. + // + // If the `option` is none, the platform doesn't maintain a + // status-change timestamp for this file. + filesystem_option_datetime_t status_change_timestamp; +} filesystem_descriptor_stat_t; + +// When setting a timestamp, this gives the value to set it to. +typedef struct { + uint8_t tag; + union { + filesystem_datetime_t timestamp; + } val; +} filesystem_new_timestamp_t; + +// Leave the timestamp set to its previous value. +#define FILESYSTEM_NEW_TIMESTAMP_NO_CHANGE 0 +// Set the timestamp to the current time of the system clock associated +// with the filesystem. +#define FILESYSTEM_NEW_TIMESTAMP_NOW 1 +// Set the timestamp to the given value. +#define FILESYSTEM_NEW_TIMESTAMP_TIMESTAMP 2 + +// A directory entry. +typedef struct { + // The type of the file referred to by this directory entry. + filesystem_descriptor_type_t type; + // The name of the object. + wasip2_string_t name; +} filesystem_directory_entry_t; + +// Error codes returned by functions, similar to `errno` in POSIX. +// Not all of these error codes are returned by the functions provided by this +// API; some are used in higher-level library layers, and others are provided +// merely for alignment with POSIX. +typedef uint8_t filesystem_error_code_t; + +// Permission denied, similar to `EACCES` in POSIX. +#define FILESYSTEM_ERROR_CODE_ACCESS 0 +// Resource unavailable, or operation would block, similar to `EAGAIN` and `EWOULDBLOCK` in POSIX. +#define FILESYSTEM_ERROR_CODE_WOULD_BLOCK 1 +// Connection already in progress, similar to `EALREADY` in POSIX. +#define FILESYSTEM_ERROR_CODE_ALREADY 2 +// Bad descriptor, similar to `EBADF` in POSIX. +#define FILESYSTEM_ERROR_CODE_BAD_DESCRIPTOR 3 +// Device or resource busy, similar to `EBUSY` in POSIX. +#define FILESYSTEM_ERROR_CODE_BUSY 4 +// Resource deadlock would occur, similar to `EDEADLK` in POSIX. +#define FILESYSTEM_ERROR_CODE_DEADLOCK 5 +// Storage quota exceeded, similar to `EDQUOT` in POSIX. +#define FILESYSTEM_ERROR_CODE_QUOTA 6 +// File exists, similar to `EEXIST` in POSIX. +#define FILESYSTEM_ERROR_CODE_EXIST 7 +// File too large, similar to `EFBIG` in POSIX. +#define FILESYSTEM_ERROR_CODE_FILE_TOO_LARGE 8 +// Illegal byte sequence, similar to `EILSEQ` in POSIX. +#define FILESYSTEM_ERROR_CODE_ILLEGAL_BYTE_SEQUENCE 9 +// Operation in progress, similar to `EINPROGRESS` in POSIX. +#define FILESYSTEM_ERROR_CODE_IN_PROGRESS 10 +// Interrupted function, similar to `EINTR` in POSIX. +#define FILESYSTEM_ERROR_CODE_INTERRUPTED 11 +// Invalid argument, similar to `EINVAL` in POSIX. +#define FILESYSTEM_ERROR_CODE_INVALID 12 +// I/O error, similar to `EIO` in POSIX. +#define FILESYSTEM_ERROR_CODE_IO 13 +// Is a directory, similar to `EISDIR` in POSIX. +#define FILESYSTEM_ERROR_CODE_IS_DIRECTORY 14 +// Too many levels of symbolic links, similar to `ELOOP` in POSIX. +#define FILESYSTEM_ERROR_CODE_LOOP 15 +// Too many links, similar to `EMLINK` in POSIX. +#define FILESYSTEM_ERROR_CODE_TOO_MANY_LINKS 16 +// Message too large, similar to `EMSGSIZE` in POSIX. +#define FILESYSTEM_ERROR_CODE_MESSAGE_SIZE 17 +// Filename too long, similar to `ENAMETOOLONG` in POSIX. +#define FILESYSTEM_ERROR_CODE_NAME_TOO_LONG 18 +// No such device, similar to `ENODEV` in POSIX. +#define FILESYSTEM_ERROR_CODE_NO_DEVICE 19 +// No such file or directory, similar to `ENOENT` in POSIX. +#define FILESYSTEM_ERROR_CODE_NO_ENTRY 20 +// No locks available, similar to `ENOLCK` in POSIX. +#define FILESYSTEM_ERROR_CODE_NO_LOCK 21 +// Not enough space, similar to `ENOMEM` in POSIX. +#define FILESYSTEM_ERROR_CODE_INSUFFICIENT_MEMORY 22 +// No space left on device, similar to `ENOSPC` in POSIX. +#define FILESYSTEM_ERROR_CODE_INSUFFICIENT_SPACE 23 +// Not a directory or a symbolic link to a directory, similar to `ENOTDIR` in POSIX. +#define FILESYSTEM_ERROR_CODE_NOT_DIRECTORY 24 +// Directory not empty, similar to `ENOTEMPTY` in POSIX. +#define FILESYSTEM_ERROR_CODE_NOT_EMPTY 25 +// State not recoverable, similar to `ENOTRECOVERABLE` in POSIX. +#define FILESYSTEM_ERROR_CODE_NOT_RECOVERABLE 26 +// Not supported, similar to `ENOTSUP` and `ENOSYS` in POSIX. +#define FILESYSTEM_ERROR_CODE_UNSUPPORTED 27 +// Inappropriate I/O control operation, similar to `ENOTTY` in POSIX. +#define FILESYSTEM_ERROR_CODE_NO_TTY 28 +// No such device or address, similar to `ENXIO` in POSIX. +#define FILESYSTEM_ERROR_CODE_NO_SUCH_DEVICE 29 +// Value too large to be stored in data type, similar to `EOVERFLOW` in POSIX. +#define FILESYSTEM_ERROR_CODE_OVERFLOW 30 +// Operation not permitted, similar to `EPERM` in POSIX. +#define FILESYSTEM_ERROR_CODE_NOT_PERMITTED 31 +// Broken pipe, similar to `EPIPE` in POSIX. +#define FILESYSTEM_ERROR_CODE_PIPE 32 +// Read-only file system, similar to `EROFS` in POSIX. +#define FILESYSTEM_ERROR_CODE_READ_ONLY 33 +// Invalid seek, similar to `ESPIPE` in POSIX. +#define FILESYSTEM_ERROR_CODE_INVALID_SEEK 34 +// Text file busy, similar to `ETXTBSY` in POSIX. +#define FILESYSTEM_ERROR_CODE_TEXT_FILE_BUSY 35 +// Cross-device link, similar to `EXDEV` in POSIX. +#define FILESYSTEM_ERROR_CODE_CROSS_DEVICE 36 + +// File or memory access pattern advisory information. +typedef uint8_t filesystem_advice_t; + +// The application has no advice to give on its behavior with respect +// to the specified data. +#define FILESYSTEM_ADVICE_NORMAL 0 +// The application expects to access the specified data sequentially +// from lower offsets to higher offsets. +#define FILESYSTEM_ADVICE_SEQUENTIAL 1 +// The application expects to access the specified data in a random +// order. +#define FILESYSTEM_ADVICE_RANDOM 2 +// The application expects to access the specified data in the near +// future. +#define FILESYSTEM_ADVICE_WILL_NEED 3 +// The application expects that it will not access the specified data +// in the near future. +#define FILESYSTEM_ADVICE_DONT_NEED 4 +// The application expects to access the specified data once and then +// not reuse it thereafter. +#define FILESYSTEM_ADVICE_NO_REUSE 5 + +// A 128-bit hash value, split into parts because wasm doesn't have a +// 128-bit integer type. +typedef struct { + // 64 bits of a 128-bit hash value. + uint64_t lower; + // Another 64 bits of a 128-bit hash value. + uint64_t upper; +} filesystem_metadata_hash_value_t; + +typedef struct filesystem_own_descriptor_t { + int32_t __handle; +} filesystem_own_descriptor_t; + +typedef struct filesystem_borrow_descriptor_t { + int32_t __handle; +} filesystem_borrow_descriptor_t; + +typedef struct filesystem_own_directory_entry_stream_t { + int32_t __handle; +} filesystem_own_directory_entry_stream_t; + +typedef struct filesystem_borrow_directory_entry_stream_t { + int32_t __handle; +} filesystem_borrow_directory_entry_stream_t; + +typedef streams_own_input_stream_t filesystem_own_input_stream_t; + +typedef struct { + bool is_err; + union { + filesystem_own_input_stream_t ok; + filesystem_error_code_t err; + } val; +} filesystem_result_own_input_stream_error_code_t; + +typedef streams_own_output_stream_t filesystem_own_output_stream_t; + +typedef struct { + bool is_err; + union { + filesystem_own_output_stream_t ok; + filesystem_error_code_t err; + } val; +} filesystem_result_own_output_stream_error_code_t; + +typedef struct { + bool is_err; + union { + filesystem_error_code_t err; + } val; +} filesystem_result_void_error_code_t; + +typedef struct { + bool is_err; + union { + filesystem_descriptor_flags_t ok; + filesystem_error_code_t err; + } val; +} filesystem_result_descriptor_flags_error_code_t; + +typedef struct { + bool is_err; + union { + filesystem_descriptor_type_t ok; + filesystem_error_code_t err; + } val; +} filesystem_result_descriptor_type_error_code_t; + +typedef struct { + wasip2_list_u8_t f0; + bool f1; +} wasip2_tuple2_list_u8_bool_t; + +typedef struct { + bool is_err; + union { + wasip2_tuple2_list_u8_bool_t ok; + filesystem_error_code_t err; + } val; +} filesystem_result_tuple2_list_u8_bool_error_code_t; + +typedef struct { + bool is_err; + union { + filesystem_filesize_t ok; + filesystem_error_code_t err; + } val; +} filesystem_result_filesize_error_code_t; + +typedef struct { + bool is_err; + union { + filesystem_own_directory_entry_stream_t ok; + filesystem_error_code_t err; + } val; +} filesystem_result_own_directory_entry_stream_error_code_t; + +typedef struct { + bool is_err; + union { + filesystem_descriptor_stat_t ok; + filesystem_error_code_t err; + } val; +} filesystem_result_descriptor_stat_error_code_t; + +typedef struct { + bool is_err; + union { + filesystem_own_descriptor_t ok; + filesystem_error_code_t err; + } val; +} filesystem_result_own_descriptor_error_code_t; + +typedef struct { + bool is_err; + union { + wasip2_string_t ok; + filesystem_error_code_t err; + } val; +} filesystem_result_string_error_code_t; + +typedef struct { + bool is_err; + union { + filesystem_metadata_hash_value_t ok; + filesystem_error_code_t err; + } val; +} filesystem_result_metadata_hash_value_error_code_t; + +typedef struct { + bool is_some; + filesystem_directory_entry_t val; +} filesystem_option_directory_entry_t; + +typedef struct { + bool is_err; + union { + filesystem_option_directory_entry_t ok; + filesystem_error_code_t err; + } val; +} filesystem_result_option_directory_entry_error_code_t; + +typedef io_error_borrow_error_t filesystem_borrow_error_t; + +typedef struct { + bool is_some; + filesystem_error_code_t val; +} filesystem_option_error_code_t; + +typedef filesystem_own_descriptor_t filesystem_preopens_own_descriptor_t; + +typedef struct { + filesystem_preopens_own_descriptor_t f0; + wasip2_string_t f1; +} filesystem_preopens_tuple2_own_descriptor_string_t; + +typedef struct { + filesystem_preopens_tuple2_own_descriptor_string_t *ptr; + size_t len; +} filesystem_preopens_list_tuple2_own_descriptor_string_t; + +typedef struct network_own_network_t { + int32_t __handle; +} network_own_network_t; + +typedef struct network_borrow_network_t { + int32_t __handle; +} network_borrow_network_t; + +// Error codes. +// +// In theory, every API can return any error code. +// In practice, API's typically only return the errors documented per API +// combined with a couple of errors that are always possible: +// - `unknown` +// - `access-denied` +// - `not-supported` +// - `out-of-memory` +// - `concurrency-conflict` +// +// See each individual API for what the POSIX equivalents are. They sometimes differ per API. +typedef uint8_t network_error_code_t; + +// Unknown error +#define NETWORK_ERROR_CODE_UNKNOWN 0 +// Access denied. +// +// POSIX equivalent: EACCES, EPERM +#define NETWORK_ERROR_CODE_ACCESS_DENIED 1 +// The operation is not supported. +// +// POSIX equivalent: EOPNOTSUPP +#define NETWORK_ERROR_CODE_NOT_SUPPORTED 2 +// One of the arguments is invalid. +// +// POSIX equivalent: EINVAL +#define NETWORK_ERROR_CODE_INVALID_ARGUMENT 3 +// Not enough memory to complete the operation. +// +// POSIX equivalent: ENOMEM, ENOBUFS, EAI_MEMORY +#define NETWORK_ERROR_CODE_OUT_OF_MEMORY 4 +// The operation timed out before it could finish completely. +#define NETWORK_ERROR_CODE_TIMEOUT 5 +// This operation is incompatible with another asynchronous operation that is already in progress. +// +// POSIX equivalent: EALREADY +#define NETWORK_ERROR_CODE_CONCURRENCY_CONFLICT 6 +// Trying to finish an asynchronous operation that: +// - has not been started yet, or: +// - was already finished by a previous `finish-*` call. +// +// Note: this is scheduled to be removed when `future`s are natively supported. +#define NETWORK_ERROR_CODE_NOT_IN_PROGRESS 7 +// The operation has been aborted because it could not be completed immediately. +// +// Note: this is scheduled to be removed when `future`s are natively supported. +#define NETWORK_ERROR_CODE_WOULD_BLOCK 8 +// The operation is not valid in the socket's current state. +#define NETWORK_ERROR_CODE_INVALID_STATE 9 +// A new socket resource could not be created because of a system limit. +#define NETWORK_ERROR_CODE_NEW_SOCKET_LIMIT 10 +// A bind operation failed because the provided address is not an address that the `network` can bind to. +#define NETWORK_ERROR_CODE_ADDRESS_NOT_BINDABLE 11 +// A bind operation failed because the provided address is already in use or because there are no ephemeral ports available. +#define NETWORK_ERROR_CODE_ADDRESS_IN_USE 12 +// The remote address is not reachable +#define NETWORK_ERROR_CODE_REMOTE_UNREACHABLE 13 +// The TCP connection was forcefully rejected +#define NETWORK_ERROR_CODE_CONNECTION_REFUSED 14 +// The TCP connection was reset. +#define NETWORK_ERROR_CODE_CONNECTION_RESET 15 +// A TCP connection was aborted. +#define NETWORK_ERROR_CODE_CONNECTION_ABORTED 16 +// The size of a datagram sent to a UDP socket exceeded the maximum +// supported size. +#define NETWORK_ERROR_CODE_DATAGRAM_TOO_LARGE 17 +// Name does not exist or has no suitable associated IP addresses. +#define NETWORK_ERROR_CODE_NAME_UNRESOLVABLE 18 +// A temporary failure in name resolution occurred. +#define NETWORK_ERROR_CODE_TEMPORARY_RESOLVER_FAILURE 19 +// A permanent failure in name resolution occurred. +#define NETWORK_ERROR_CODE_PERMANENT_RESOLVER_FAILURE 20 + +typedef uint8_t network_ip_address_family_t; + +// Similar to `AF_INET` in POSIX. +#define NETWORK_IP_ADDRESS_FAMILY_IPV4 0 +// Similar to `AF_INET6` in POSIX. +#define NETWORK_IP_ADDRESS_FAMILY_IPV6 1 + +typedef struct { + uint8_t f0; + uint8_t f1; + uint8_t f2; + uint8_t f3; +} network_ipv4_address_t; + +typedef struct { + uint16_t f0; + uint16_t f1; + uint16_t f2; + uint16_t f3; + uint16_t f4; + uint16_t f5; + uint16_t f6; + uint16_t f7; +} network_ipv6_address_t; + +typedef struct { + uint8_t tag; + union { + network_ipv4_address_t ipv4; + network_ipv6_address_t ipv6; + } val; +} network_ip_address_t; + +#define NETWORK_IP_ADDRESS_IPV4 0 +#define NETWORK_IP_ADDRESS_IPV6 1 + +typedef struct { + // sin_port + uint16_t port; + // sin_addr + network_ipv4_address_t address; +} network_ipv4_socket_address_t; + +typedef struct { + // sin6_port + uint16_t port; + // sin6_flowinfo + uint32_t flow_info; + // sin6_addr + network_ipv6_address_t address; + // sin6_scope_id + uint32_t scope_id; +} network_ipv6_socket_address_t; + +typedef struct { + uint8_t tag; + union { + network_ipv4_socket_address_t ipv4; + network_ipv6_socket_address_t ipv6; + } val; +} network_ip_socket_address_t; + +#define NETWORK_IP_SOCKET_ADDRESS_IPV4 0 +#define NETWORK_IP_SOCKET_ADDRESS_IPV6 1 + +typedef network_own_network_t instance_network_own_network_t; + +typedef network_error_code_t udp_error_code_t; + +typedef network_ip_socket_address_t udp_ip_socket_address_t; + +typedef network_ip_address_family_t udp_ip_address_family_t; + +// A received datagram. +typedef struct { + // The payload. + // + // Theoretical max size: ~64 KiB. In practice, typically less than 1500 bytes. + wasip2_list_u8_t data; + // The source address. + // + // This field is guaranteed to match the remote address the stream was initialized with, if any. + // + // Equivalent to the `src_addr` out parameter of `recvfrom`. + udp_ip_socket_address_t remote_address; +} udp_incoming_datagram_t; + +typedef struct { + bool is_some; + udp_ip_socket_address_t val; +} udp_option_ip_socket_address_t; + +// A datagram to be sent out. +typedef struct { + // The payload. + wasip2_list_u8_t data; + // The destination address. + // + // The requirements on this field depend on how the stream was initialized: + // - with a remote address: this field must be None or match the stream's remote address exactly. + // - without a remote address: this field is required. + // + // If this value is None, the send operation is equivalent to `send` in POSIX. Otherwise it is equivalent to `sendto`. + udp_option_ip_socket_address_t remote_address; +} udp_outgoing_datagram_t; + +typedef struct udp_own_udp_socket_t { + int32_t __handle; +} udp_own_udp_socket_t; + +typedef struct udp_borrow_udp_socket_t { + int32_t __handle; +} udp_borrow_udp_socket_t; + +typedef struct udp_own_incoming_datagram_stream_t { + int32_t __handle; +} udp_own_incoming_datagram_stream_t; + +typedef struct udp_borrow_incoming_datagram_stream_t { + int32_t __handle; +} udp_borrow_incoming_datagram_stream_t; + +typedef struct udp_own_outgoing_datagram_stream_t { + int32_t __handle; +} udp_own_outgoing_datagram_stream_t; + +typedef struct udp_borrow_outgoing_datagram_stream_t { + int32_t __handle; +} udp_borrow_outgoing_datagram_stream_t; + +typedef network_borrow_network_t udp_borrow_network_t; + +typedef struct { + bool is_err; + union { + udp_error_code_t err; + } val; +} udp_result_void_error_code_t; + +typedef struct { + udp_own_incoming_datagram_stream_t f0; + udp_own_outgoing_datagram_stream_t f1; +} udp_tuple2_own_incoming_datagram_stream_own_outgoing_datagram_stream_t; + +typedef struct { + bool is_err; + union { + udp_tuple2_own_incoming_datagram_stream_own_outgoing_datagram_stream_t ok; + udp_error_code_t err; + } val; +} udp_result_tuple2_own_incoming_datagram_stream_own_outgoing_datagram_stream_error_code_t; + +typedef struct { + bool is_err; + union { + udp_ip_socket_address_t ok; + udp_error_code_t err; + } val; +} udp_result_ip_socket_address_error_code_t; + +typedef struct { + bool is_err; + union { + uint8_t ok; + udp_error_code_t err; + } val; +} udp_result_u8_error_code_t; + +typedef struct { + bool is_err; + union { + uint64_t ok; + udp_error_code_t err; + } val; +} udp_result_u64_error_code_t; + +typedef poll_own_pollable_t udp_own_pollable_t; + +typedef struct { + udp_incoming_datagram_t *ptr; + size_t len; +} udp_list_incoming_datagram_t; + +typedef struct { + bool is_err; + union { + udp_list_incoming_datagram_t ok; + udp_error_code_t err; + } val; +} udp_result_list_incoming_datagram_error_code_t; + +typedef struct { + udp_outgoing_datagram_t *ptr; + size_t len; +} udp_list_outgoing_datagram_t; + +typedef network_error_code_t udp_create_socket_error_code_t; + +typedef network_ip_address_family_t udp_create_socket_ip_address_family_t; + +typedef udp_own_udp_socket_t udp_create_socket_own_udp_socket_t; + +typedef struct { + bool is_err; + union { + udp_create_socket_own_udp_socket_t ok; + udp_create_socket_error_code_t err; + } val; +} udp_create_socket_result_own_udp_socket_error_code_t; + +typedef monotonic_clock_duration_t tcp_duration_t; + +typedef network_error_code_t tcp_error_code_t; + +typedef network_ip_socket_address_t tcp_ip_socket_address_t; + +typedef network_ip_address_family_t tcp_ip_address_family_t; + +typedef uint8_t tcp_shutdown_type_t; + +// Similar to `SHUT_RD` in POSIX. +#define TCP_SHUTDOWN_TYPE_RECEIVE 0 +// Similar to `SHUT_WR` in POSIX. +#define TCP_SHUTDOWN_TYPE_SEND 1 +// Similar to `SHUT_RDWR` in POSIX. +#define TCP_SHUTDOWN_TYPE_BOTH 2 + +typedef struct tcp_own_tcp_socket_t { + int32_t __handle; +} tcp_own_tcp_socket_t; + +typedef struct tcp_borrow_tcp_socket_t { + int32_t __handle; +} tcp_borrow_tcp_socket_t; + +typedef network_borrow_network_t tcp_borrow_network_t; + +typedef struct { + bool is_err; + union { + tcp_error_code_t err; + } val; +} tcp_result_void_error_code_t; + +typedef streams_own_input_stream_t tcp_own_input_stream_t; + +typedef streams_own_output_stream_t tcp_own_output_stream_t; + +typedef struct { + tcp_own_input_stream_t f0; + tcp_own_output_stream_t f1; +} tcp_tuple2_own_input_stream_own_output_stream_t; + +typedef struct { + bool is_err; + union { + tcp_tuple2_own_input_stream_own_output_stream_t ok; + tcp_error_code_t err; + } val; +} tcp_result_tuple2_own_input_stream_own_output_stream_error_code_t; + +typedef struct { + tcp_own_tcp_socket_t f0; + tcp_own_input_stream_t f1; + tcp_own_output_stream_t f2; +} tcp_tuple3_own_tcp_socket_own_input_stream_own_output_stream_t; + +typedef struct { + bool is_err; + union { + tcp_tuple3_own_tcp_socket_own_input_stream_own_output_stream_t ok; + tcp_error_code_t err; + } val; +} tcp_result_tuple3_own_tcp_socket_own_input_stream_own_output_stream_error_code_t; + +typedef struct { + bool is_err; + union { + tcp_ip_socket_address_t ok; + tcp_error_code_t err; + } val; +} tcp_result_ip_socket_address_error_code_t; + +typedef struct { + bool is_err; + union { + bool ok; + tcp_error_code_t err; + } val; +} tcp_result_bool_error_code_t; + +typedef struct { + bool is_err; + union { + tcp_duration_t ok; + tcp_error_code_t err; + } val; +} tcp_result_duration_error_code_t; + +typedef struct { + bool is_err; + union { + uint32_t ok; + tcp_error_code_t err; + } val; +} tcp_result_u32_error_code_t; + +typedef struct { + bool is_err; + union { + uint8_t ok; + tcp_error_code_t err; + } val; +} tcp_result_u8_error_code_t; + +typedef struct { + bool is_err; + union { + uint64_t ok; + tcp_error_code_t err; + } val; +} tcp_result_u64_error_code_t; + +typedef poll_own_pollable_t tcp_own_pollable_t; + +typedef network_error_code_t tcp_create_socket_error_code_t; + +typedef network_ip_address_family_t tcp_create_socket_ip_address_family_t; + +typedef tcp_own_tcp_socket_t tcp_create_socket_own_tcp_socket_t; + +typedef struct { + bool is_err; + union { + tcp_create_socket_own_tcp_socket_t ok; + tcp_create_socket_error_code_t err; + } val; +} tcp_create_socket_result_own_tcp_socket_error_code_t; + +typedef network_error_code_t ip_name_lookup_error_code_t; + +typedef network_ip_address_t ip_name_lookup_ip_address_t; + +typedef struct ip_name_lookup_own_resolve_address_stream_t { + int32_t __handle; +} ip_name_lookup_own_resolve_address_stream_t; + +typedef struct ip_name_lookup_borrow_resolve_address_stream_t { + int32_t __handle; +} ip_name_lookup_borrow_resolve_address_stream_t; + +typedef network_borrow_network_t ip_name_lookup_borrow_network_t; + +typedef struct { + bool is_err; + union { + ip_name_lookup_own_resolve_address_stream_t ok; + ip_name_lookup_error_code_t err; + } val; +} ip_name_lookup_result_own_resolve_address_stream_error_code_t; + +typedef struct { + bool is_some; + ip_name_lookup_ip_address_t val; +} ip_name_lookup_option_ip_address_t; + +typedef struct { + bool is_err; + union { + ip_name_lookup_option_ip_address_t ok; + ip_name_lookup_error_code_t err; + } val; +} ip_name_lookup_result_option_ip_address_error_code_t; + +typedef poll_own_pollable_t ip_name_lookup_own_pollable_t; + +typedef struct { + uint64_t f0; + uint64_t f1; +} wasip2_tuple2_u64_u64_t; + +// Imported Functions from `wasi:cli/environment@0.2.0` +// Get the POSIX-style environment variables. +// +// Each environment variable is provided as a pair of string variable names +// and string value. +// +// Morally, these are a value import, but until value imports are available +// in the component model, this import function should return the same +// values each time it is called. +extern void environment_get_environment(wasip2_list_tuple2_string_string_t *ret); +// Get the POSIX-style arguments to the program. +extern void environment_get_arguments(wasip2_list_string_t *ret); +// Return a path that programs should use as their initial current working +// directory, interpreting `.` as shorthand for this. +extern bool environment_initial_cwd(wasip2_string_t *ret); + +// Imported Functions from `wasi:cli/exit@0.2.0` +// Exit the current instance and any linked instances. +extern void exit_exit(exit_result_void_void_t *status); + +// Imported Functions from `wasi:io/error@0.2.0` +// Returns a string that is suitable to assist humans in debugging +// this error. +// +// WARNING: The returned string should not be consumed mechanically! +// It may change across platforms, hosts, or other implementation +// details. Parsing this string is a major platform-compatibility +// hazard. +extern void io_error_method_error_to_debug_string(io_error_borrow_error_t self, wasip2_string_t *ret); + +// Imported Functions from `wasi:io/poll@0.2.0` +// Return the readiness of a pollable. This function never blocks. +// +// Returns `true` when the pollable is ready, and `false` otherwise. +extern bool poll_method_pollable_ready(poll_borrow_pollable_t self); +// `block` returns immediately if the pollable is ready, and otherwise +// blocks until ready. +// +// This function is equivalent to calling `poll.poll` on a list +// containing only this pollable. +extern void poll_method_pollable_block(poll_borrow_pollable_t self); +// Poll for completion on a set of pollables. +// +// This function takes a list of pollables, which identify I/O sources of +// interest, and waits until one or more of the events is ready for I/O. +// +// The result `list<u32>` contains one or more indices of handles in the +// argument list that is ready for I/O. +// +// If the list contains more elements than can be indexed with a `u32` +// value, this function traps. +// +// A timeout can be implemented by adding a pollable from the +// wasi-clocks API to the list. +// +// This function does not return a `result`; polling in itself does not +// do any I/O so it doesn't fail. If any of the I/O sources identified by +// the pollables has an error, it is indicated by marking the source as +// being reaedy for I/O. +extern void poll_poll(poll_list_borrow_pollable_t *in, wasip2_list_u32_t *ret); + +// Imported Functions from `wasi:io/streams@0.2.0` +// Perform a non-blocking read from the stream. +// +// When the source of a `read` is binary data, the bytes from the source +// are returned verbatim. When the source of a `read` is known to the +// implementation to be text, bytes containing the UTF-8 encoding of the +// text are returned. +// +// This function returns a list of bytes containing the read data, +// when successful. The returned list will contain up to `len` bytes; +// it may return fewer than requested, but not more. The list is +// empty when no bytes are available for reading at this time. The +// pollable given by `subscribe` will be ready when more bytes are +// available. +// +// This function fails with a `stream-error` when the operation +// encounters an error, giving `last-operation-failed`, or when the +// stream is closed, giving `closed`. +// +// When the caller gives a `len` of 0, it represents a request to +// read 0 bytes. If the stream is still open, this call should +// succeed and return an empty list, or otherwise fail with `closed`. +// +// The `len` parameter is a `u64`, which could represent a list of u8 which +// is not possible to allocate in wasm32, or not desirable to allocate as +// as a return value by the callee. The callee may return a list of bytes +// less than `len` in size while more bytes are available for reading. +extern bool streams_method_input_stream_read(streams_borrow_input_stream_t self, uint64_t len, wasip2_list_u8_t *ret, streams_stream_error_t *err); +// Read bytes from a stream, after blocking until at least one byte can +// be read. Except for blocking, behavior is identical to `read`. +extern bool streams_method_input_stream_blocking_read(streams_borrow_input_stream_t self, uint64_t len, wasip2_list_u8_t *ret, streams_stream_error_t *err); +// Skip bytes from a stream. Returns number of bytes skipped. +// +// Behaves identical to `read`, except instead of returning a list +// of bytes, returns the number of bytes consumed from the stream. +extern bool streams_method_input_stream_skip(streams_borrow_input_stream_t self, uint64_t len, uint64_t *ret, streams_stream_error_t *err); +// Skip bytes from a stream, after blocking until at least one byte +// can be skipped. Except for blocking behavior, identical to `skip`. +extern bool streams_method_input_stream_blocking_skip(streams_borrow_input_stream_t self, uint64_t len, uint64_t *ret, streams_stream_error_t *err); +// Create a `pollable` which will resolve once either the specified stream +// has bytes available to read or the other end of the stream has been +// closed. +// The created `pollable` is a child resource of the `input-stream`. +// Implementations may trap if the `input-stream` is dropped before +// all derived `pollable`s created with this function are dropped. +extern streams_own_pollable_t streams_method_input_stream_subscribe(streams_borrow_input_stream_t self); +// Check readiness for writing. This function never blocks. +// +// Returns the number of bytes permitted for the next call to `write`, +// or an error. Calling `write` with more bytes than this function has +// permitted will trap. +// +// When this function returns 0 bytes, the `subscribe` pollable will +// become ready when this function will report at least 1 byte, or an +// error. +extern bool streams_method_output_stream_check_write(streams_borrow_output_stream_t self, uint64_t *ret, streams_stream_error_t *err); +// Perform a write. This function never blocks. +// +// When the destination of a `write` is binary data, the bytes from +// `contents` are written verbatim. When the destination of a `write` is +// known to the implementation to be text, the bytes of `contents` are +// transcoded from UTF-8 into the encoding of the destination and then +// written. +// +// Precondition: check-write gave permit of Ok(n) and contents has a +// length of less than or equal to n. Otherwise, this function will trap. +// +// returns Err(closed) without writing if the stream has closed since +// the last call to check-write provided a permit. +extern bool streams_method_output_stream_write(streams_borrow_output_stream_t self, wasip2_list_u8_t *contents, streams_stream_error_t *err); +// Perform a write of up to 4096 bytes, and then flush the stream. Block +// until all of these operations are complete, or an error occurs. +// +// This is a convenience wrapper around the use of `check-write`, +// `subscribe`, `write`, and `flush`, and is implemented with the +// following pseudo-code: +// +// ```text +// let pollable = this.subscribe(); +// while !contents.is_empty() { +// // Wait for the stream to become writable +// pollable.block(); +// let Ok(n) = this.check-write(); // eliding error handling +// let len = min(n, contents.len()); +// let (chunk, rest) = contents.split_at(len); +// this.write(chunk ); // eliding error handling +// contents = rest; +// } +// this.flush(); +// // Wait for completion of `flush` +// pollable.block(); +// // Check for any errors that arose during `flush` +// let _ = this.check-write(); // eliding error handling +// ``` +extern bool streams_method_output_stream_blocking_write_and_flush(streams_borrow_output_stream_t self, wasip2_list_u8_t *contents, streams_stream_error_t *err); +// Request to flush buffered output. This function never blocks. +// +// This tells the output-stream that the caller intends any buffered +// output to be flushed. the output which is expected to be flushed +// is all that has been passed to `write` prior to this call. +// +// Upon calling this function, the `output-stream` will not accept any +// writes (`check-write` will return `ok(0)`) until the flush has +// completed. The `subscribe` pollable will become ready when the +// flush has completed and the stream can accept more writes. +extern bool streams_method_output_stream_flush(streams_borrow_output_stream_t self, streams_stream_error_t *err); +// Request to flush buffered output, and block until flush completes +// and stream is ready for writing again. +extern bool streams_method_output_stream_blocking_flush(streams_borrow_output_stream_t self, streams_stream_error_t *err); +// Create a `pollable` which will resolve once the output-stream +// is ready for more writing, or an error has occured. When this +// pollable is ready, `check-write` will return `ok(n)` with n>0, or an +// error. +// +// If the stream is closed, this pollable is always ready immediately. +// +// The created `pollable` is a child resource of the `output-stream`. +// Implementations may trap if the `output-stream` is dropped before +// all derived `pollable`s created with this function are dropped. +extern streams_own_pollable_t streams_method_output_stream_subscribe(streams_borrow_output_stream_t self); +// Write zeroes to a stream. +// +// This should be used precisely like `write` with the exact same +// preconditions (must use check-write first), but instead of +// passing a list of bytes, you simply pass the number of zero-bytes +// that should be written. +extern bool streams_method_output_stream_write_zeroes(streams_borrow_output_stream_t self, uint64_t len, streams_stream_error_t *err); +// Perform a write of up to 4096 zeroes, and then flush the stream. +// Block until all of these operations are complete, or an error +// occurs. +// +// This is a convenience wrapper around the use of `check-write`, +// `subscribe`, `write-zeroes`, and `flush`, and is implemented with +// the following pseudo-code: +// +// ```text +// let pollable = this.subscribe(); +// while num_zeroes != 0 { +// // Wait for the stream to become writable +// pollable.block(); +// let Ok(n) = this.check-write(); // eliding error handling +// let len = min(n, num_zeroes); +// this.write-zeroes(len); // eliding error handling +// num_zeroes -= len; +// } +// this.flush(); +// // Wait for completion of `flush` +// pollable.block(); +// // Check for any errors that arose during `flush` +// let _ = this.check-write(); // eliding error handling +// ``` +extern bool streams_method_output_stream_blocking_write_zeroes_and_flush(streams_borrow_output_stream_t self, uint64_t len, streams_stream_error_t *err); +// Read from one stream and write to another. +// +// The behavior of splice is equivelant to: +// 1. calling `check-write` on the `output-stream` +// 2. calling `read` on the `input-stream` with the smaller of the +// `check-write` permitted length and the `len` provided to `splice` +// 3. calling `write` on the `output-stream` with that read data. +// +// Any error reported by the call to `check-write`, `read`, or +// `write` ends the splice and reports that error. +// +// This function returns the number of bytes transferred; it may be less +// than `len`. +extern bool streams_method_output_stream_splice(streams_borrow_output_stream_t self, streams_borrow_input_stream_t src, uint64_t len, uint64_t *ret, streams_stream_error_t *err); +// Read from one stream and write to another, with blocking. +// +// This is similar to `splice`, except that it blocks until the +// `output-stream` is ready for writing, and the `input-stream` +// is ready for reading, before performing the `splice`. +extern bool streams_method_output_stream_blocking_splice(streams_borrow_output_stream_t self, streams_borrow_input_stream_t src, uint64_t len, uint64_t *ret, streams_stream_error_t *err); + +// Imported Functions from `wasi:cli/stdin@0.2.0` +extern stdin_own_input_stream_t stdin_get_stdin(void); + +// Imported Functions from `wasi:cli/stdout@0.2.0` +extern stdout_own_output_stream_t stdout_get_stdout(void); + +// Imported Functions from `wasi:cli/stderr@0.2.0` +extern stderr_own_output_stream_t stderr_get_stderr(void); + +// Imported Functions from `wasi:cli/terminal-stdin@0.2.0` +// If stdin is connected to a terminal, return a `terminal-input` handle +// allowing further interaction with it. +extern bool terminal_stdin_get_terminal_stdin(terminal_stdin_own_terminal_input_t *ret); + +// Imported Functions from `wasi:cli/terminal-stdout@0.2.0` +// If stdout is connected to a terminal, return a `terminal-output` handle +// allowing further interaction with it. +extern bool terminal_stdout_get_terminal_stdout(terminal_stdout_own_terminal_output_t *ret); + +// Imported Functions from `wasi:cli/terminal-stderr@0.2.0` +// If stderr is connected to a terminal, return a `terminal-output` handle +// allowing further interaction with it. +extern bool terminal_stderr_get_terminal_stderr(terminal_stderr_own_terminal_output_t *ret); + +// Imported Functions from `wasi:clocks/monotonic-clock@0.2.0` +// Read the current value of the clock. +// +// The clock is monotonic, therefore calling this function repeatedly will +// produce a sequence of non-decreasing values. +extern monotonic_clock_instant_t monotonic_clock_now(void); +// Query the resolution of the clock. Returns the duration of time +// corresponding to a clock tick. +extern monotonic_clock_duration_t monotonic_clock_resolution(void); +// Create a `pollable` which will resolve once the specified instant +// occured. +extern monotonic_clock_own_pollable_t monotonic_clock_subscribe_instant(monotonic_clock_instant_t when); +// Create a `pollable` which will resolve once the given duration has +// elapsed, starting at the time at which this function was called. +// occured. +extern monotonic_clock_own_pollable_t monotonic_clock_subscribe_duration(monotonic_clock_duration_t when); + +// Imported Functions from `wasi:clocks/wall-clock@0.2.0` +// Read the current value of the clock. +// +// This clock is not monotonic, therefore calling this function repeatedly +// will not necessarily produce a sequence of non-decreasing values. +// +// The returned timestamps represent the number of seconds since +// 1970-01-01T00:00:00Z, also known as [POSIX's Seconds Since the Epoch], +// also known as [Unix Time]. +// +// The nanoseconds field of the output is always less than 1000000000. +// +// [POSIX's Seconds Since the Epoch]: https://pubs.opengroup.org/onlinepubs/9699919799/xrat/V4_xbd_chap04.html#tag_21_04_16 +// [Unix Time]: https://en.wikipedia.org/wiki/Unix_time +extern void wall_clock_now(wall_clock_datetime_t *ret); +// Query the resolution of the clock. +// +// The nanoseconds field of the output is always less than 1000000000. +extern void wall_clock_resolution(wall_clock_datetime_t *ret); + +// Imported Functions from `wasi:filesystem/types@0.2.0` +// Return a stream for reading from a file, if available. +// +// May fail with an error-code describing why the file cannot be read. +// +// Multiple read, write, and append streams may be active on the same open +// file and they do not interfere with each other. +// +// Note: This allows using `read-stream`, which is similar to `read` in POSIX. +extern bool filesystem_method_descriptor_read_via_stream(filesystem_borrow_descriptor_t self, filesystem_filesize_t offset, filesystem_own_input_stream_t *ret, filesystem_error_code_t *err); +// Return a stream for writing to a file, if available. +// +// May fail with an error-code describing why the file cannot be written. +// +// Note: This allows using `write-stream`, which is similar to `write` in +// POSIX. +extern bool filesystem_method_descriptor_write_via_stream(filesystem_borrow_descriptor_t self, filesystem_filesize_t offset, filesystem_own_output_stream_t *ret, filesystem_error_code_t *err); +// Return a stream for appending to a file, if available. +// +// May fail with an error-code describing why the file cannot be appended. +// +// Note: This allows using `write-stream`, which is similar to `write` with +// `O_APPEND` in in POSIX. +extern bool filesystem_method_descriptor_append_via_stream(filesystem_borrow_descriptor_t self, filesystem_own_output_stream_t *ret, filesystem_error_code_t *err); +// Provide file advisory information on a descriptor. +// +// This is similar to `posix_fadvise` in POSIX. +extern bool filesystem_method_descriptor_advise(filesystem_borrow_descriptor_t self, filesystem_filesize_t offset, filesystem_filesize_t length, filesystem_advice_t advice, filesystem_error_code_t *err); +// Synchronize the data of a file to disk. +// +// This function succeeds with no effect if the file descriptor is not +// opened for writing. +// +// Note: This is similar to `fdatasync` in POSIX. +extern bool filesystem_method_descriptor_sync_data(filesystem_borrow_descriptor_t self, filesystem_error_code_t *err); +// Get flags associated with a descriptor. +// +// Note: This returns similar flags to `fcntl(fd, F_GETFL)` in POSIX. +// +// Note: This returns the value that was the `fs_flags` value returned +// from `fdstat_get` in earlier versions of WASI. +extern bool filesystem_method_descriptor_get_flags(filesystem_borrow_descriptor_t self, filesystem_descriptor_flags_t *ret, filesystem_error_code_t *err); +// Get the dynamic type of a descriptor. +// +// Note: This returns the same value as the `type` field of the `fd-stat` +// returned by `stat`, `stat-at` and similar. +// +// Note: This returns similar flags to the `st_mode & S_IFMT` value provided +// by `fstat` in POSIX. +// +// Note: This returns the value that was the `fs_filetype` value returned +// from `fdstat_get` in earlier versions of WASI. +extern bool filesystem_method_descriptor_get_type(filesystem_borrow_descriptor_t self, filesystem_descriptor_type_t *ret, filesystem_error_code_t *err); +// Adjust the size of an open file. If this increases the file's size, the +// extra bytes are filled with zeros. +// +// Note: This was called `fd_filestat_set_size` in earlier versions of WASI. +extern bool filesystem_method_descriptor_set_size(filesystem_borrow_descriptor_t self, filesystem_filesize_t size, filesystem_error_code_t *err); +// Adjust the timestamps of an open file or directory. +// +// Note: This is similar to `futimens` in POSIX. +// +// Note: This was called `fd_filestat_set_times` in earlier versions of WASI. +extern bool filesystem_method_descriptor_set_times(filesystem_borrow_descriptor_t self, filesystem_new_timestamp_t *data_access_timestamp, filesystem_new_timestamp_t *data_modification_timestamp, filesystem_error_code_t *err); +// Read from a descriptor, without using and updating the descriptor's offset. +// +// This function returns a list of bytes containing the data that was +// read, along with a bool which, when true, indicates that the end of the +// file was reached. The returned list will contain up to `length` bytes; it +// may return fewer than requested, if the end of the file is reached or +// if the I/O operation is interrupted. +// +// In the future, this may change to return a `stream<u8, error-code>`. +// +// Note: This is similar to `pread` in POSIX. +extern bool filesystem_method_descriptor_read(filesystem_borrow_descriptor_t self, filesystem_filesize_t length, filesystem_filesize_t offset, wasip2_tuple2_list_u8_bool_t *ret, filesystem_error_code_t *err); +// Write to a descriptor, without using and updating the descriptor's offset. +// +// It is valid to write past the end of a file; the file is extended to the +// extent of the write, with bytes between the previous end and the start of +// the write set to zero. +// +// In the future, this may change to take a `stream<u8, error-code>`. +// +// Note: This is similar to `pwrite` in POSIX. +extern bool filesystem_method_descriptor_write(filesystem_borrow_descriptor_t self, wasip2_list_u8_t *buffer, filesystem_filesize_t offset, filesystem_filesize_t *ret, filesystem_error_code_t *err); +// Read directory entries from a directory. +// +// On filesystems where directories contain entries referring to themselves +// and their parents, often named `.` and `..` respectively, these entries +// are omitted. +// +// This always returns a new stream which starts at the beginning of the +// directory. Multiple streams may be active on the same directory, and they +// do not interfere with each other. +extern bool filesystem_method_descriptor_read_directory(filesystem_borrow_descriptor_t self, filesystem_own_directory_entry_stream_t *ret, filesystem_error_code_t *err); +// Synchronize the data and metadata of a file to disk. +// +// This function succeeds with no effect if the file descriptor is not +// opened for writing. +// +// Note: This is similar to `fsync` in POSIX. +extern bool filesystem_method_descriptor_sync(filesystem_borrow_descriptor_t self, filesystem_error_code_t *err); +// Create a directory. +// +// Note: This is similar to `mkdirat` in POSIX. +extern bool filesystem_method_descriptor_create_directory_at(filesystem_borrow_descriptor_t self, wasip2_string_t *path, filesystem_error_code_t *err); +// Return the attributes of an open file or directory. +// +// Note: This is similar to `fstat` in POSIX, except that it does not return +// device and inode information. For testing whether two descriptors refer to +// the same underlying filesystem object, use `is-same-object`. To obtain +// additional data that can be used do determine whether a file has been +// modified, use `metadata-hash`. +// +// Note: This was called `fd_filestat_get` in earlier versions of WASI. +extern bool filesystem_method_descriptor_stat(filesystem_borrow_descriptor_t self, filesystem_descriptor_stat_t *ret, filesystem_error_code_t *err); +// Return the attributes of a file or directory. +// +// Note: This is similar to `fstatat` in POSIX, except that it does not +// return device and inode information. See the `stat` description for a +// discussion of alternatives. +// +// Note: This was called `path_filestat_get` in earlier versions of WASI. +extern bool filesystem_method_descriptor_stat_at(filesystem_borrow_descriptor_t self, filesystem_path_flags_t path_flags, wasip2_string_t *path, filesystem_descriptor_stat_t *ret, filesystem_error_code_t *err); +// Adjust the timestamps of a file or directory. +// +// Note: This is similar to `utimensat` in POSIX. +// +// Note: This was called `path_filestat_set_times` in earlier versions of +// WASI. +extern bool filesystem_method_descriptor_set_times_at(filesystem_borrow_descriptor_t self, filesystem_path_flags_t path_flags, wasip2_string_t *path, filesystem_new_timestamp_t *data_access_timestamp, filesystem_new_timestamp_t *data_modification_timestamp, filesystem_error_code_t *err); +// Create a hard link. +// +// Note: This is similar to `linkat` in POSIX. +extern bool filesystem_method_descriptor_link_at(filesystem_borrow_descriptor_t self, filesystem_path_flags_t old_path_flags, wasip2_string_t *old_path, filesystem_borrow_descriptor_t new_descriptor, wasip2_string_t *new_path, filesystem_error_code_t *err); +// Open a file or directory. +// +// The returned descriptor is not guaranteed to be the lowest-numbered +// descriptor not currently open/ it is randomized to prevent applications +// from depending on making assumptions about indexes, since this is +// error-prone in multi-threaded contexts. The returned descriptor is +// guaranteed to be less than 2**31. +// +// If `flags` contains `descriptor-flags::mutate-directory`, and the base +// descriptor doesn't have `descriptor-flags::mutate-directory` set, +// `open-at` fails with `error-code::read-only`. +// +// If `flags` contains `write` or `mutate-directory`, or `open-flags` +// contains `truncate` or `create`, and the base descriptor doesn't have +// `descriptor-flags::mutate-directory` set, `open-at` fails with +// `error-code::read-only`. +// +// Note: This is similar to `openat` in POSIX. +extern bool filesystem_method_descriptor_open_at(filesystem_borrow_descriptor_t self, filesystem_path_flags_t path_flags, wasip2_string_t *path, filesystem_open_flags_t open_flags, filesystem_descriptor_flags_t flags, filesystem_own_descriptor_t *ret, filesystem_error_code_t *err); +// Read the contents of a symbolic link. +// +// If the contents contain an absolute or rooted path in the underlying +// filesystem, this function fails with `error-code::not-permitted`. +// +// Note: This is similar to `readlinkat` in POSIX. +extern bool filesystem_method_descriptor_readlink_at(filesystem_borrow_descriptor_t self, wasip2_string_t *path, wasip2_string_t *ret, filesystem_error_code_t *err); +// Remove a directory. +// +// Return `error-code::not-empty` if the directory is not empty. +// +// Note: This is similar to `unlinkat(fd, path, AT_REMOVEDIR)` in POSIX. +extern bool filesystem_method_descriptor_remove_directory_at(filesystem_borrow_descriptor_t self, wasip2_string_t *path, filesystem_error_code_t *err); +// Rename a filesystem object. +// +// Note: This is similar to `renameat` in POSIX. +extern bool filesystem_method_descriptor_rename_at(filesystem_borrow_descriptor_t self, wasip2_string_t *old_path, filesystem_borrow_descriptor_t new_descriptor, wasip2_string_t *new_path, filesystem_error_code_t *err); +// Create a symbolic link (also known as a "symlink"). +// +// If `old-path` starts with `/`, the function fails with +// `error-code::not-permitted`. +// +// Note: This is similar to `symlinkat` in POSIX. +extern bool filesystem_method_descriptor_symlink_at(filesystem_borrow_descriptor_t self, wasip2_string_t *old_path, wasip2_string_t *new_path, filesystem_error_code_t *err); +// Unlink a filesystem object that is not a directory. +// +// Return `error-code::is-directory` if the path refers to a directory. +// Note: This is similar to `unlinkat(fd, path, 0)` in POSIX. +extern bool filesystem_method_descriptor_unlink_file_at(filesystem_borrow_descriptor_t self, wasip2_string_t *path, filesystem_error_code_t *err); +// Test whether two descriptors refer to the same filesystem object. +// +// In POSIX, this corresponds to testing whether the two descriptors have the +// same device (`st_dev`) and inode (`st_ino` or `d_ino`) numbers. +// wasi-filesystem does not expose device and inode numbers, so this function +// may be used instead. +extern bool filesystem_method_descriptor_is_same_object(filesystem_borrow_descriptor_t self, filesystem_borrow_descriptor_t other); +// Return a hash of the metadata associated with a filesystem object referred +// to by a descriptor. +// +// This returns a hash of the last-modification timestamp and file size, and +// may also include the inode number, device number, birth timestamp, and +// other metadata fields that may change when the file is modified or +// replaced. It may also include a secret value chosen by the +// implementation and not otherwise exposed. +// +// Implementations are encourated to provide the following properties: +// +// - If the file is not modified or replaced, the computed hash value should +// usually not change. +// - If the object is modified or replaced, the computed hash value should +// usually change. +// - The inputs to the hash should not be easily computable from the +// computed hash. +// +// However, none of these is required. +extern bool filesystem_method_descriptor_metadata_hash(filesystem_borrow_descriptor_t self, filesystem_metadata_hash_value_t *ret, filesystem_error_code_t *err); +// Return a hash of the metadata associated with a filesystem object referred +// to by a directory descriptor and a relative path. +// +// This performs the same hash computation as `metadata-hash`. +extern bool filesystem_method_descriptor_metadata_hash_at(filesystem_borrow_descriptor_t self, filesystem_path_flags_t path_flags, wasip2_string_t *path, filesystem_metadata_hash_value_t *ret, filesystem_error_code_t *err); +// Read a single directory entry from a `directory-entry-stream`. +extern bool filesystem_method_directory_entry_stream_read_directory_entry(filesystem_borrow_directory_entry_stream_t self, filesystem_option_directory_entry_t *ret, filesystem_error_code_t *err); +// Attempts to extract a filesystem-related `error-code` from the stream +// `error` provided. +// +// Stream operations which return `stream-error::last-operation-failed` +// have a payload with more information about the operation that failed. +// This payload can be passed through to this function to see if there's +// filesystem-related information about the error to return. +// +// Note that this function is fallible because not all stream-related +// errors are filesystem-related errors. +extern bool filesystem_filesystem_error_code(filesystem_borrow_error_t err_, filesystem_error_code_t *ret); + +// Imported Functions from `wasi:filesystem/preopens@0.2.0` +// Return the set of preopened directories, and their path. +extern void filesystem_preopens_get_directories(filesystem_preopens_list_tuple2_own_descriptor_string_t *ret); + +// Imported Functions from `wasi:sockets/instance-network@0.2.0` +// Get a handle to the default network. +extern instance_network_own_network_t instance_network_instance_network(void); + +// Imported Functions from `wasi:sockets/udp@0.2.0` +// Bind the socket to a specific network on the provided IP address and port. +// +// If the IP address is zero (`0.0.0.0` in IPv4, `::` in IPv6), it is left to the implementation to decide which +// network interface(s) to bind to. +// If the port is zero, the socket will be bound to a random free port. +// +// # Typical errors +// - `invalid-argument`: The `local-address` has the wrong address family. (EAFNOSUPPORT, EFAULT on Windows) +// - `invalid-state`: The socket is already bound. (EINVAL) +// - `address-in-use`: No ephemeral ports available. (EADDRINUSE, ENOBUFS on Windows) +// - `address-in-use`: Address is already in use. (EADDRINUSE) +// - `address-not-bindable`: `local-address` is not an address that the `network` can bind to. (EADDRNOTAVAIL) +// - `not-in-progress`: A `bind` operation is not in progress. +// - `would-block`: Can't finish the operation, it is still in progress. (EWOULDBLOCK, EAGAIN) +// +// # Implementors note +// Unlike in POSIX, in WASI the bind operation is async. This enables +// interactive WASI hosts to inject permission prompts. Runtimes that +// don't want to make use of this ability can simply call the native +// `bind` as part of either `start-bind` or `finish-bind`. +// +// # References +// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/bind.html> +// - <https://man7.org/linux/man-pages/man2/bind.2.html> +// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock/nf-winsock-bind> +// - <https://man.freebsd.org/cgi/man.cgi?query=bind&sektion=2&format=html> +extern bool udp_method_udp_socket_start_bind(udp_borrow_udp_socket_t self, udp_borrow_network_t network, udp_ip_socket_address_t *local_address, udp_error_code_t *err); +extern bool udp_method_udp_socket_finish_bind(udp_borrow_udp_socket_t self, udp_error_code_t *err); +// Set up inbound & outbound communication channels, optionally to a specific peer. +// +// This function only changes the local socket configuration and does not generate any network traffic. +// On success, the `remote-address` of the socket is updated. The `local-address` may be updated as well, +// based on the best network path to `remote-address`. +// +// When a `remote-address` is provided, the returned streams are limited to communicating with that specific peer: +// - `send` can only be used to send to this destination. +// - `receive` will only return datagrams sent from the provided `remote-address`. +// +// This method may be called multiple times on the same socket to change its association, but +// only the most recently returned pair of streams will be operational. Implementations may trap if +// the streams returned by a previous invocation haven't been dropped yet before calling `stream` again. +// +// The POSIX equivalent in pseudo-code is: +// ```text +// if (was previously connected) { +// connect(s, AF_UNSPEC) +// } +// if (remote_address is Some) { +// connect(s, remote_address) +// } +// ``` +// +// Unlike in POSIX, the socket must already be explicitly bound. +// +// # Typical errors +// - `invalid-argument`: The `remote-address` has the wrong address family. (EAFNOSUPPORT) +// - `invalid-argument`: The IP address in `remote-address` is set to INADDR_ANY (`0.0.0.0` / `::`). (EDESTADDRREQ, EADDRNOTAVAIL) +// - `invalid-argument`: The port in `remote-address` is set to 0. (EDESTADDRREQ, EADDRNOTAVAIL) +// - `invalid-state`: The socket is not bound. +// - `address-in-use`: Tried to perform an implicit bind, but there were no ephemeral ports available. (EADDRINUSE, EADDRNOTAVAIL on Linux, EAGAIN on BSD) +// - `remote-unreachable`: The remote address is not reachable. (ECONNRESET, ENETRESET, EHOSTUNREACH, EHOSTDOWN, ENETUNREACH, ENETDOWN, ENONET) +// - `connection-refused`: The connection was refused. (ECONNREFUSED) +// +// # References +// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/connect.html> +// - <https://man7.org/linux/man-pages/man2/connect.2.html> +// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-connect> +// - <https://man.freebsd.org/cgi/man.cgi?connect> +extern bool udp_method_udp_socket_stream(udp_borrow_udp_socket_t self, udp_ip_socket_address_t *maybe_remote_address, udp_tuple2_own_incoming_datagram_stream_own_outgoing_datagram_stream_t *ret, udp_error_code_t *err); +// Get the current bound address. +// +// POSIX mentions: +// > If the socket has not been bound to a local name, the value +// > stored in the object pointed to by `address` is unspecified. +// +// WASI is stricter and requires `local-address` to return `invalid-state` when the socket hasn't been bound yet. +// +// # Typical errors +// - `invalid-state`: The socket is not bound to any local address. +// +// # References +// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/getsockname.html> +// - <https://man7.org/linux/man-pages/man2/getsockname.2.html> +// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock/nf-winsock-getsockname> +// - <https://man.freebsd.org/cgi/man.cgi?getsockname> +extern bool udp_method_udp_socket_local_address(udp_borrow_udp_socket_t self, udp_ip_socket_address_t *ret, udp_error_code_t *err); +// Get the address the socket is currently streaming to. +// +// # Typical errors +// - `invalid-state`: The socket is not streaming to a specific remote address. (ENOTCONN) +// +// # References +// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/getpeername.html> +// - <https://man7.org/linux/man-pages/man2/getpeername.2.html> +// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock/nf-winsock-getpeername> +// - <https://man.freebsd.org/cgi/man.cgi?query=getpeername&sektion=2&n=1> +extern bool udp_method_udp_socket_remote_address(udp_borrow_udp_socket_t self, udp_ip_socket_address_t *ret, udp_error_code_t *err); +// Whether this is a IPv4 or IPv6 socket. +// +// Equivalent to the SO_DOMAIN socket option. +extern udp_ip_address_family_t udp_method_udp_socket_address_family(udp_borrow_udp_socket_t self); +// Equivalent to the IP_TTL & IPV6_UNICAST_HOPS socket options. +// +// If the provided value is 0, an `invalid-argument` error is returned. +// +// # Typical errors +// - `invalid-argument`: (set) The TTL value must be 1 or higher. +extern bool udp_method_udp_socket_unicast_hop_limit(udp_borrow_udp_socket_t self, uint8_t *ret, udp_error_code_t *err); +extern bool udp_method_udp_socket_set_unicast_hop_limit(udp_borrow_udp_socket_t self, uint8_t value, udp_error_code_t *err); +// The kernel buffer space reserved for sends/receives on this socket. +// +// If the provided value is 0, an `invalid-argument` error is returned. +// Any other value will never cause an error, but it might be silently clamped and/or rounded. +// I.e. after setting a value, reading the same setting back may return a different value. +// +// Equivalent to the SO_RCVBUF and SO_SNDBUF socket options. +// +// # Typical errors +// - `invalid-argument`: (set) The provided value was 0. +extern bool udp_method_udp_socket_receive_buffer_size(udp_borrow_udp_socket_t self, uint64_t *ret, udp_error_code_t *err); +extern bool udp_method_udp_socket_set_receive_buffer_size(udp_borrow_udp_socket_t self, uint64_t value, udp_error_code_t *err); +extern bool udp_method_udp_socket_send_buffer_size(udp_borrow_udp_socket_t self, uint64_t *ret, udp_error_code_t *err); +extern bool udp_method_udp_socket_set_send_buffer_size(udp_borrow_udp_socket_t self, uint64_t value, udp_error_code_t *err); +// Create a `pollable` which will resolve once the socket is ready for I/O. +// +// Note: this function is here for WASI Preview2 only. +// It's planned to be removed when `future` is natively supported in Preview3. +extern udp_own_pollable_t udp_method_udp_socket_subscribe(udp_borrow_udp_socket_t self); +// Receive messages on the socket. +// +// This function attempts to receive up to `max-results` datagrams on the socket without blocking. +// The returned list may contain fewer elements than requested, but never more. +// +// This function returns successfully with an empty list when either: +// - `max-results` is 0, or: +// - `max-results` is greater than 0, but no results are immediately available. +// This function never returns `error(would-block)`. +// +// # Typical errors +// - `remote-unreachable`: The remote address is not reachable. (ECONNRESET, ENETRESET on Windows, EHOSTUNREACH, EHOSTDOWN, ENETUNREACH, ENETDOWN, ENONET) +// - `connection-refused`: The connection was refused. (ECONNREFUSED) +// +// # References +// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/recvfrom.html> +// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/recvmsg.html> +// - <https://man7.org/linux/man-pages/man2/recv.2.html> +// - <https://man7.org/linux/man-pages/man2/recvmmsg.2.html> +// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock/nf-winsock-recv> +// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock/nf-winsock-recvfrom> +// - <https://learn.microsoft.com/en-us/previous-versions/windows/desktop/legacy/ms741687(v=vs.85)> +// - <https://man.freebsd.org/cgi/man.cgi?query=recv&sektion=2> +extern bool udp_method_incoming_datagram_stream_receive(udp_borrow_incoming_datagram_stream_t self, uint64_t max_results, udp_list_incoming_datagram_t *ret, udp_error_code_t *err); +// Create a `pollable` which will resolve once the stream is ready to receive again. +// +// Note: this function is here for WASI Preview2 only. +// It's planned to be removed when `future` is natively supported in Preview3. +extern udp_own_pollable_t udp_method_incoming_datagram_stream_subscribe(udp_borrow_incoming_datagram_stream_t self); +// Check readiness for sending. This function never blocks. +// +// Returns the number of datagrams permitted for the next call to `send`, +// or an error. Calling `send` with more datagrams than this function has +// permitted will trap. +// +// When this function returns ok(0), the `subscribe` pollable will +// become ready when this function will report at least ok(1), or an +// error. +// +// Never returns `would-block`. +extern bool udp_method_outgoing_datagram_stream_check_send(udp_borrow_outgoing_datagram_stream_t self, uint64_t *ret, udp_error_code_t *err); +// Send messages on the socket. +// +// This function attempts to send all provided `datagrams` on the socket without blocking and +// returns how many messages were actually sent (or queued for sending). This function never +// returns `error(would-block)`. If none of the datagrams were able to be sent, `ok(0)` is returned. +// +// This function semantically behaves the same as iterating the `datagrams` list and sequentially +// sending each individual datagram until either the end of the list has been reached or the first error occurred. +// If at least one datagram has been sent successfully, this function never returns an error. +// +// If the input list is empty, the function returns `ok(0)`. +// +// Each call to `send` must be permitted by a preceding `check-send`. Implementations must trap if +// either `check-send` was not called or `datagrams` contains more items than `check-send` permitted. +// +// # Typical errors +// - `invalid-argument`: The `remote-address` has the wrong address family. (EAFNOSUPPORT) +// - `invalid-argument`: The IP address in `remote-address` is set to INADDR_ANY (`0.0.0.0` / `::`). (EDESTADDRREQ, EADDRNOTAVAIL) +// - `invalid-argument`: The port in `remote-address` is set to 0. (EDESTADDRREQ, EADDRNOTAVAIL) +// - `invalid-argument`: The socket is in "connected" mode and `remote-address` is `some` value that does not match the address passed to `stream`. (EISCONN) +// - `invalid-argument`: The socket is not "connected" and no value for `remote-address` was provided. (EDESTADDRREQ) +// - `remote-unreachable`: The remote address is not reachable. (ECONNRESET, ENETRESET on Windows, EHOSTUNREACH, EHOSTDOWN, ENETUNREACH, ENETDOWN, ENONET) +// - `connection-refused`: The connection was refused. (ECONNREFUSED) +// - `datagram-too-large`: The datagram is too large. (EMSGSIZE) +// +// # References +// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/sendto.html> +// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/sendmsg.html> +// - <https://man7.org/linux/man-pages/man2/send.2.html> +// - <https://man7.org/linux/man-pages/man2/sendmmsg.2.html> +// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-send> +// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-sendto> +// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-wsasendmsg> +// - <https://man.freebsd.org/cgi/man.cgi?query=send&sektion=2> +extern bool udp_method_outgoing_datagram_stream_send(udp_borrow_outgoing_datagram_stream_t self, udp_list_outgoing_datagram_t *datagrams, uint64_t *ret, udp_error_code_t *err); +// Create a `pollable` which will resolve once the stream is ready to send again. +// +// Note: this function is here for WASI Preview2 only. +// It's planned to be removed when `future` is natively supported in Preview3. +extern udp_own_pollable_t udp_method_outgoing_datagram_stream_subscribe(udp_borrow_outgoing_datagram_stream_t self); + +// Imported Functions from `wasi:sockets/udp-create-socket@0.2.0` +// Create a new UDP socket. +// +// Similar to `socket(AF_INET or AF_INET6, SOCK_DGRAM, IPPROTO_UDP)` in POSIX. +// On IPv6 sockets, IPV6_V6ONLY is enabled by default and can't be configured otherwise. +// +// This function does not require a network capability handle. This is considered to be safe because +// at time of creation, the socket is not bound to any `network` yet. Up to the moment `bind` is called, +// the socket is effectively an in-memory configuration object, unable to communicate with the outside world. +// +// All sockets are non-blocking. Use the wasi-poll interface to block on asynchronous operations. +// +// # Typical errors +// - `not-supported`: The specified `address-family` is not supported. (EAFNOSUPPORT) +// - `new-socket-limit`: The new socket resource could not be created because of a system limit. (EMFILE, ENFILE) +// +// # References: +// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/socket.html> +// - <https://man7.org/linux/man-pages/man2/socket.2.html> +// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-wsasocketw> +// - <https://man.freebsd.org/cgi/man.cgi?query=socket&sektion=2> +extern bool udp_create_socket_create_udp_socket(udp_create_socket_ip_address_family_t address_family, udp_create_socket_own_udp_socket_t *ret, udp_create_socket_error_code_t *err); + +// Imported Functions from `wasi:sockets/tcp@0.2.0` +// Bind the socket to a specific network on the provided IP address and port. +// +// If the IP address is zero (`0.0.0.0` in IPv4, `::` in IPv6), it is left to the implementation to decide which +// network interface(s) to bind to. +// If the TCP/UDP port is zero, the socket will be bound to a random free port. +// +// Bind can be attempted multiple times on the same socket, even with +// different arguments on each iteration. But never concurrently and +// only as long as the previous bind failed. Once a bind succeeds, the +// binding can't be changed anymore. +// +// # Typical errors +// - `invalid-argument`: The `local-address` has the wrong address family. (EAFNOSUPPORT, EFAULT on Windows) +// - `invalid-argument`: `local-address` is not a unicast address. (EINVAL) +// - `invalid-argument`: `local-address` is an IPv4-mapped IPv6 address. (EINVAL) +// - `invalid-state`: The socket is already bound. (EINVAL) +// - `address-in-use`: No ephemeral ports available. (EADDRINUSE, ENOBUFS on Windows) +// - `address-in-use`: Address is already in use. (EADDRINUSE) +// - `address-not-bindable`: `local-address` is not an address that the `network` can bind to. (EADDRNOTAVAIL) +// - `not-in-progress`: A `bind` operation is not in progress. +// - `would-block`: Can't finish the operation, it is still in progress. (EWOULDBLOCK, EAGAIN) +// +// # Implementors note +// When binding to a non-zero port, this bind operation shouldn't be affected by the TIME_WAIT +// state of a recently closed socket on the same local address. In practice this means that the SO_REUSEADDR +// socket option should be set implicitly on all platforms, except on Windows where this is the default behavior +// and SO_REUSEADDR performs something different entirely. +// +// Unlike in POSIX, in WASI the bind operation is async. This enables +// interactive WASI hosts to inject permission prompts. Runtimes that +// don't want to make use of this ability can simply call the native +// `bind` as part of either `start-bind` or `finish-bind`. +// +// # References +// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/bind.html> +// - <https://man7.org/linux/man-pages/man2/bind.2.html> +// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock/nf-winsock-bind> +// - <https://man.freebsd.org/cgi/man.cgi?query=bind&sektion=2&format=html> +extern bool tcp_method_tcp_socket_start_bind(tcp_borrow_tcp_socket_t self, tcp_borrow_network_t network, tcp_ip_socket_address_t *local_address, tcp_error_code_t *err); +extern bool tcp_method_tcp_socket_finish_bind(tcp_borrow_tcp_socket_t self, tcp_error_code_t *err); +// Connect to a remote endpoint. +// +// On success: +// - the socket is transitioned into the `connection` state. +// - a pair of streams is returned that can be used to read & write to the connection +// +// After a failed connection attempt, the socket will be in the `closed` +// state and the only valid action left is to `drop` the socket. A single +// socket can not be used to connect more than once. +// +// # Typical errors +// - `invalid-argument`: The `remote-address` has the wrong address family. (EAFNOSUPPORT) +// - `invalid-argument`: `remote-address` is not a unicast address. (EINVAL, ENETUNREACH on Linux, EAFNOSUPPORT on MacOS) +// - `invalid-argument`: `remote-address` is an IPv4-mapped IPv6 address. (EINVAL, EADDRNOTAVAIL on Illumos) +// - `invalid-argument`: The IP address in `remote-address` is set to INADDR_ANY (`0.0.0.0` / `::`). (EADDRNOTAVAIL on Windows) +// - `invalid-argument`: The port in `remote-address` is set to 0. (EADDRNOTAVAIL on Windows) +// - `invalid-argument`: The socket is already attached to a different network. The `network` passed to `connect` must be identical to the one passed to `bind`. +// - `invalid-state`: The socket is already in the `connected` state. (EISCONN) +// - `invalid-state`: The socket is already in the `listening` state. (EOPNOTSUPP, EINVAL on Windows) +// - `timeout`: Connection timed out. (ETIMEDOUT) +// - `connection-refused`: The connection was forcefully rejected. (ECONNREFUSED) +// - `connection-reset`: The connection was reset. (ECONNRESET) +// - `connection-aborted`: The connection was aborted. (ECONNABORTED) +// - `remote-unreachable`: The remote address is not reachable. (EHOSTUNREACH, EHOSTDOWN, ENETUNREACH, ENETDOWN, ENONET) +// - `address-in-use`: Tried to perform an implicit bind, but there were no ephemeral ports available. (EADDRINUSE, EADDRNOTAVAIL on Linux, EAGAIN on BSD) +// - `not-in-progress`: A connect operation is not in progress. +// - `would-block`: Can't finish the operation, it is still in progress. (EWOULDBLOCK, EAGAIN) +// +// # Implementors note +// The POSIX equivalent of `start-connect` is the regular `connect` syscall. +// Because all WASI sockets are non-blocking this is expected to return +// EINPROGRESS, which should be translated to `ok()` in WASI. +// +// The POSIX equivalent of `finish-connect` is a `poll` for event `POLLOUT` +// with a timeout of 0 on the socket descriptor. Followed by a check for +// the `SO_ERROR` socket option, in case the poll signaled readiness. +// +// # References +// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/connect.html> +// - <https://man7.org/linux/man-pages/man2/connect.2.html> +// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-connect> +// - <https://man.freebsd.org/cgi/man.cgi?connect> +extern bool tcp_method_tcp_socket_start_connect(tcp_borrow_tcp_socket_t self, tcp_borrow_network_t network, tcp_ip_socket_address_t *remote_address, tcp_error_code_t *err); +extern bool tcp_method_tcp_socket_finish_connect(tcp_borrow_tcp_socket_t self, tcp_tuple2_own_input_stream_own_output_stream_t *ret, tcp_error_code_t *err); +// Start listening for new connections. +// +// Transitions the socket into the `listening` state. +// +// Unlike POSIX, the socket must already be explicitly bound. +// +// # Typical errors +// - `invalid-state`: The socket is not bound to any local address. (EDESTADDRREQ) +// - `invalid-state`: The socket is already in the `connected` state. (EISCONN, EINVAL on BSD) +// - `invalid-state`: The socket is already in the `listening` state. +// - `address-in-use`: Tried to perform an implicit bind, but there were no ephemeral ports available. (EADDRINUSE) +// - `not-in-progress`: A listen operation is not in progress. +// - `would-block`: Can't finish the operation, it is still in progress. (EWOULDBLOCK, EAGAIN) +// +// # Implementors note +// Unlike in POSIX, in WASI the listen operation is async. This enables +// interactive WASI hosts to inject permission prompts. Runtimes that +// don't want to make use of this ability can simply call the native +// `listen` as part of either `start-listen` or `finish-listen`. +// +// # References +// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/listen.html> +// - <https://man7.org/linux/man-pages/man2/listen.2.html> +// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-listen> +// - <https://man.freebsd.org/cgi/man.cgi?query=listen&sektion=2> +extern bool tcp_method_tcp_socket_start_listen(tcp_borrow_tcp_socket_t self, tcp_error_code_t *err); +extern bool tcp_method_tcp_socket_finish_listen(tcp_borrow_tcp_socket_t self, tcp_error_code_t *err); +// Accept a new client socket. +// +// The returned socket is bound and in the `connected` state. The following properties are inherited from the listener socket: +// - `address-family` +// - `keep-alive-enabled` +// - `keep-alive-idle-time` +// - `keep-alive-interval` +// - `keep-alive-count` +// - `hop-limit` +// - `receive-buffer-size` +// - `send-buffer-size` +// +// On success, this function returns the newly accepted client socket along with +// a pair of streams that can be used to read & write to the connection. +// +// # Typical errors +// - `invalid-state`: Socket is not in the `listening` state. (EINVAL) +// - `would-block`: No pending connections at the moment. (EWOULDBLOCK, EAGAIN) +// - `connection-aborted`: An incoming connection was pending, but was terminated by the client before this listener could accept it. (ECONNABORTED) +// - `new-socket-limit`: The new socket resource could not be created because of a system limit. (EMFILE, ENFILE) +// +// # References +// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/accept.html> +// - <https://man7.org/linux/man-pages/man2/accept.2.html> +// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-accept> +// - <https://man.freebsd.org/cgi/man.cgi?query=accept&sektion=2> +extern bool tcp_method_tcp_socket_accept(tcp_borrow_tcp_socket_t self, tcp_tuple3_own_tcp_socket_own_input_stream_own_output_stream_t *ret, tcp_error_code_t *err); +// Get the bound local address. +// +// POSIX mentions: +// > If the socket has not been bound to a local name, the value +// > stored in the object pointed to by `address` is unspecified. +// +// WASI is stricter and requires `local-address` to return `invalid-state` when the socket hasn't been bound yet. +// +// # Typical errors +// - `invalid-state`: The socket is not bound to any local address. +// +// # References +// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/getsockname.html> +// - <https://man7.org/linux/man-pages/man2/getsockname.2.html> +// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock/nf-winsock-getsockname> +// - <https://man.freebsd.org/cgi/man.cgi?getsockname> +extern bool tcp_method_tcp_socket_local_address(tcp_borrow_tcp_socket_t self, tcp_ip_socket_address_t *ret, tcp_error_code_t *err); +// Get the remote address. +// +// # Typical errors +// - `invalid-state`: The socket is not connected to a remote address. (ENOTCONN) +// +// # References +// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/getpeername.html> +// - <https://man7.org/linux/man-pages/man2/getpeername.2.html> +// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock/nf-winsock-getpeername> +// - <https://man.freebsd.org/cgi/man.cgi?query=getpeername&sektion=2&n=1> +extern bool tcp_method_tcp_socket_remote_address(tcp_borrow_tcp_socket_t self, tcp_ip_socket_address_t *ret, tcp_error_code_t *err); +// Whether the socket is in the `listening` state. +// +// Equivalent to the SO_ACCEPTCONN socket option. +extern bool tcp_method_tcp_socket_is_listening(tcp_borrow_tcp_socket_t self); +// Whether this is a IPv4 or IPv6 socket. +// +// Equivalent to the SO_DOMAIN socket option. +extern tcp_ip_address_family_t tcp_method_tcp_socket_address_family(tcp_borrow_tcp_socket_t self); +// Hints the desired listen queue size. Implementations are free to ignore this. +// +// If the provided value is 0, an `invalid-argument` error is returned. +// Any other value will never cause an error, but it might be silently clamped and/or rounded. +// +// # Typical errors +// - `not-supported`: (set) The platform does not support changing the backlog size after the initial listen. +// - `invalid-argument`: (set) The provided value was 0. +// - `invalid-state`: (set) The socket is in the `connect-in-progress` or `connected` state. +extern bool tcp_method_tcp_socket_set_listen_backlog_size(tcp_borrow_tcp_socket_t self, uint64_t value, tcp_error_code_t *err); +// Enables or disables keepalive. +// +// The keepalive behavior can be adjusted using: +// - `keep-alive-idle-time` +// - `keep-alive-interval` +// - `keep-alive-count` +// These properties can be configured while `keep-alive-enabled` is false, but only come into effect when `keep-alive-enabled` is true. +// +// Equivalent to the SO_KEEPALIVE socket option. +extern bool tcp_method_tcp_socket_keep_alive_enabled(tcp_borrow_tcp_socket_t self, bool *ret, tcp_error_code_t *err); +extern bool tcp_method_tcp_socket_set_keep_alive_enabled(tcp_borrow_tcp_socket_t self, bool value, tcp_error_code_t *err); +// Amount of time the connection has to be idle before TCP starts sending keepalive packets. +// +// If the provided value is 0, an `invalid-argument` error is returned. +// Any other value will never cause an error, but it might be silently clamped and/or rounded. +// I.e. after setting a value, reading the same setting back may return a different value. +// +// Equivalent to the TCP_KEEPIDLE socket option. (TCP_KEEPALIVE on MacOS) +// +// # Typical errors +// - `invalid-argument`: (set) The provided value was 0. +extern bool tcp_method_tcp_socket_keep_alive_idle_time(tcp_borrow_tcp_socket_t self, tcp_duration_t *ret, tcp_error_code_t *err); +extern bool tcp_method_tcp_socket_set_keep_alive_idle_time(tcp_borrow_tcp_socket_t self, tcp_duration_t value, tcp_error_code_t *err); +// The time between keepalive packets. +// +// If the provided value is 0, an `invalid-argument` error is returned. +// Any other value will never cause an error, but it might be silently clamped and/or rounded. +// I.e. after setting a value, reading the same setting back may return a different value. +// +// Equivalent to the TCP_KEEPINTVL socket option. +// +// # Typical errors +// - `invalid-argument`: (set) The provided value was 0. +extern bool tcp_method_tcp_socket_keep_alive_interval(tcp_borrow_tcp_socket_t self, tcp_duration_t *ret, tcp_error_code_t *err); +extern bool tcp_method_tcp_socket_set_keep_alive_interval(tcp_borrow_tcp_socket_t self, tcp_duration_t value, tcp_error_code_t *err); +// The maximum amount of keepalive packets TCP should send before aborting the connection. +// +// If the provided value is 0, an `invalid-argument` error is returned. +// Any other value will never cause an error, but it might be silently clamped and/or rounded. +// I.e. after setting a value, reading the same setting back may return a different value. +// +// Equivalent to the TCP_KEEPCNT socket option. +// +// # Typical errors +// - `invalid-argument`: (set) The provided value was 0. +extern bool tcp_method_tcp_socket_keep_alive_count(tcp_borrow_tcp_socket_t self, uint32_t *ret, tcp_error_code_t *err); +extern bool tcp_method_tcp_socket_set_keep_alive_count(tcp_borrow_tcp_socket_t self, uint32_t value, tcp_error_code_t *err); +// Equivalent to the IP_TTL & IPV6_UNICAST_HOPS socket options. +// +// If the provided value is 0, an `invalid-argument` error is returned. +// +// # Typical errors +// - `invalid-argument`: (set) The TTL value must be 1 or higher. +extern bool tcp_method_tcp_socket_hop_limit(tcp_borrow_tcp_socket_t self, uint8_t *ret, tcp_error_code_t *err); +extern bool tcp_method_tcp_socket_set_hop_limit(tcp_borrow_tcp_socket_t self, uint8_t value, tcp_error_code_t *err); +// The kernel buffer space reserved for sends/receives on this socket. +// +// If the provided value is 0, an `invalid-argument` error is returned. +// Any other value will never cause an error, but it might be silently clamped and/or rounded. +// I.e. after setting a value, reading the same setting back may return a different value. +// +// Equivalent to the SO_RCVBUF and SO_SNDBUF socket options. +// +// # Typical errors +// - `invalid-argument`: (set) The provided value was 0. +extern bool tcp_method_tcp_socket_receive_buffer_size(tcp_borrow_tcp_socket_t self, uint64_t *ret, tcp_error_code_t *err); +extern bool tcp_method_tcp_socket_set_receive_buffer_size(tcp_borrow_tcp_socket_t self, uint64_t value, tcp_error_code_t *err); +extern bool tcp_method_tcp_socket_send_buffer_size(tcp_borrow_tcp_socket_t self, uint64_t *ret, tcp_error_code_t *err); +extern bool tcp_method_tcp_socket_set_send_buffer_size(tcp_borrow_tcp_socket_t self, uint64_t value, tcp_error_code_t *err); +// Create a `pollable` which can be used to poll for, or block on, +// completion of any of the asynchronous operations of this socket. +// +// When `finish-bind`, `finish-listen`, `finish-connect` or `accept` +// return `error(would-block)`, this pollable can be used to wait for +// their success or failure, after which the method can be retried. +// +// The pollable is not limited to the async operation that happens to be +// in progress at the time of calling `subscribe` (if any). Theoretically, +// `subscribe` only has to be called once per socket and can then be +// (re)used for the remainder of the socket's lifetime. +// +// See <https://github.com/WebAssembly/wasi-sockets/TcpSocketOperationalSemantics.md#Pollable-readiness> +// for a more information. +// +// Note: this function is here for WASI Preview2 only. +// It's planned to be removed when `future` is natively supported in Preview3. +extern tcp_own_pollable_t tcp_method_tcp_socket_subscribe(tcp_borrow_tcp_socket_t self); +// Initiate a graceful shutdown. +// +// - `receive`: The socket is not expecting to receive any data from +// the peer. The `input-stream` associated with this socket will be +// closed. Any data still in the receive queue at time of calling +// this method will be discarded. +// - `send`: The socket has no more data to send to the peer. The `output-stream` +// associated with this socket will be closed and a FIN packet will be sent. +// - `both`: Same effect as `receive` & `send` combined. +// +// This function is idempotent. Shutting a down a direction more than once +// has no effect and returns `ok`. +// +// The shutdown function does not close (drop) the socket. +// +// # Typical errors +// - `invalid-state`: The socket is not in the `connected` state. (ENOTCONN) +// +// # References +// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/shutdown.html> +// - <https://man7.org/linux/man-pages/man2/shutdown.2.html> +// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock/nf-winsock-shutdown> +// - <https://man.freebsd.org/cgi/man.cgi?query=shutdown&sektion=2> +extern bool tcp_method_tcp_socket_shutdown(tcp_borrow_tcp_socket_t self, tcp_shutdown_type_t shutdown_type, tcp_error_code_t *err); + +// Imported Functions from `wasi:sockets/tcp-create-socket@0.2.0` +// Create a new TCP socket. +// +// Similar to `socket(AF_INET or AF_INET6, SOCK_STREAM, IPPROTO_TCP)` in POSIX. +// On IPv6 sockets, IPV6_V6ONLY is enabled by default and can't be configured otherwise. +// +// This function does not require a network capability handle. This is considered to be safe because +// at time of creation, the socket is not bound to any `network` yet. Up to the moment `bind`/`connect` +// is called, the socket is effectively an in-memory configuration object, unable to communicate with the outside world. +// +// All sockets are non-blocking. Use the wasi-poll interface to block on asynchronous operations. +// +// # Typical errors +// - `not-supported`: The specified `address-family` is not supported. (EAFNOSUPPORT) +// - `new-socket-limit`: The new socket resource could not be created because of a system limit. (EMFILE, ENFILE) +// +// # References +// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/socket.html> +// - <https://man7.org/linux/man-pages/man2/socket.2.html> +// - <https://learn.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-wsasocketw> +// - <https://man.freebsd.org/cgi/man.cgi?query=socket&sektion=2> +extern bool tcp_create_socket_create_tcp_socket(tcp_create_socket_ip_address_family_t address_family, tcp_create_socket_own_tcp_socket_t *ret, tcp_create_socket_error_code_t *err); + +// Imported Functions from `wasi:sockets/ip-name-lookup@0.2.0` +// Resolve an internet host name to a list of IP addresses. +// +// Unicode domain names are automatically converted to ASCII using IDNA encoding. +// If the input is an IP address string, the address is parsed and returned +// as-is without making any external requests. +// +// See the wasi-socket proposal README.md for a comparison with getaddrinfo. +// +// This function never blocks. It either immediately fails or immediately +// returns successfully with a `resolve-address-stream` that can be used +// to (asynchronously) fetch the results. +// +// # Typical errors +// - `invalid-argument`: `name` is a syntactically invalid domain name or IP address. +// +// # References: +// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/getaddrinfo.html> +// - <https://man7.org/linux/man-pages/man3/getaddrinfo.3.html> +// - <https://learn.microsoft.com/en-us/windows/win32/api/ws2tcpip/nf-ws2tcpip-getaddrinfo> +// - <https://man.freebsd.org/cgi/man.cgi?query=getaddrinfo&sektion=3> +extern bool ip_name_lookup_resolve_addresses(ip_name_lookup_borrow_network_t network, wasip2_string_t *name, ip_name_lookup_own_resolve_address_stream_t *ret, ip_name_lookup_error_code_t *err); +// Returns the next address from the resolver. +// +// This function should be called multiple times. On each call, it will +// return the next address in connection order preference. If all +// addresses have been exhausted, this function returns `none`. +// +// This function never returns IPv4-mapped IPv6 addresses. +// +// # Typical errors +// - `name-unresolvable`: Name does not exist or has no suitable associated IP addresses. (EAI_NONAME, EAI_NODATA, EAI_ADDRFAMILY) +// - `temporary-resolver-failure`: A temporary failure in name resolution occurred. (EAI_AGAIN) +// - `permanent-resolver-failure`: A permanent failure in name resolution occurred. (EAI_FAIL) +// - `would-block`: A result is not available yet. (EWOULDBLOCK, EAGAIN) +extern bool ip_name_lookup_method_resolve_address_stream_resolve_next_address(ip_name_lookup_borrow_resolve_address_stream_t self, ip_name_lookup_option_ip_address_t *ret, ip_name_lookup_error_code_t *err); +// Create a `pollable` which will resolve once the stream is ready for I/O. +// +// Note: this function is here for WASI Preview2 only. +// It's planned to be removed when `future` is natively supported in Preview3. +extern ip_name_lookup_own_pollable_t ip_name_lookup_method_resolve_address_stream_subscribe(ip_name_lookup_borrow_resolve_address_stream_t self); + +// Imported Functions from `wasi:random/random@0.2.0` +// Return `len` cryptographically-secure random or pseudo-random bytes. +// +// This function must produce data at least as cryptographically secure and +// fast as an adequately seeded cryptographically-secure pseudo-random +// number generator (CSPRNG). It must not block, from the perspective of +// the calling program, under any circumstances, including on the first +// request and on requests for numbers of bytes. The returned data must +// always be unpredictable. +// +// This function must always return fresh data. Deterministic environments +// must omit this function, rather than implementing it with deterministic +// data. +extern void random_get_random_bytes(uint64_t len, wasip2_list_u8_t *ret); +// Return a cryptographically-secure random or pseudo-random `u64` value. +// +// This function returns the same type of data as `get-random-bytes`, +// represented as a `u64`. +extern uint64_t random_get_random_u64(void); + +// Imported Functions from `wasi:random/insecure@0.2.0` +// Return `len` insecure pseudo-random bytes. +// +// This function is not cryptographically secure. Do not use it for +// anything related to security. +// +// There are no requirements on the values of the returned bytes, however +// implementations are encouraged to return evenly distributed values with +// a long period. +extern void random_insecure_get_insecure_random_bytes(uint64_t len, wasip2_list_u8_t *ret); +// Return an insecure pseudo-random `u64` value. +// +// This function returns the same type of pseudo-random data as +// `get-insecure-random-bytes`, represented as a `u64`. +extern uint64_t random_insecure_get_insecure_random_u64(void); + +// Imported Functions from `wasi:random/insecure-seed@0.2.0` +// Return a 128-bit value that may contain a pseudo-random value. +// +// The returned value is not required to be computed from a CSPRNG, and may +// even be entirely deterministic. Host implementations are encouraged to +// provide pseudo-random values to any program exposed to +// attacker-controlled content, to enable DoS protection built into many +// languages' hash-map implementations. +// +// This function is intended to only be called once, by a source language +// to initialize Denial Of Service (DoS) protection in its hash-map +// implementation. +// +// # Expected future evolution +// +// This will likely be changed to a value import, to prevent it from being +// called multiple times and potentially used for purposes other than DoS +// protection. +extern void random_insecure_seed_insecure_seed(wasip2_tuple2_u64_u64_t *ret); + +// Helper Functions + +void wasip2_tuple2_string_string_free(wasip2_tuple2_string_string_t *ptr); + +void wasip2_list_tuple2_string_string_free(wasip2_list_tuple2_string_string_t *ptr); + +void wasip2_list_string_free(wasip2_list_string_t *ptr); + +void wasip2_option_string_free(wasip2_option_string_t *ptr); + +void exit_result_void_void_free(exit_result_void_void_t *ptr); + +extern void io_error_error_drop_own(io_error_own_error_t handle); + +extern void io_error_error_drop_borrow(io_error_borrow_error_t handle); + +extern io_error_borrow_error_t io_error_borrow_error(io_error_own_error_t handle); + +extern void poll_pollable_drop_own(poll_own_pollable_t handle); + +extern void poll_pollable_drop_borrow(poll_borrow_pollable_t handle); + +extern poll_borrow_pollable_t poll_borrow_pollable(poll_own_pollable_t handle); + +void poll_list_borrow_pollable_free(poll_list_borrow_pollable_t *ptr); + +void wasip2_list_u32_free(wasip2_list_u32_t *ptr); + +void streams_stream_error_free(streams_stream_error_t *ptr); + +extern void streams_input_stream_drop_own(streams_own_input_stream_t handle); + +extern void streams_input_stream_drop_borrow(streams_borrow_input_stream_t handle); + +extern streams_borrow_input_stream_t streams_borrow_input_stream(streams_own_input_stream_t handle); + +extern void streams_output_stream_drop_own(streams_own_output_stream_t handle); + +extern void streams_output_stream_drop_borrow(streams_borrow_output_stream_t handle); + +extern streams_borrow_output_stream_t streams_borrow_output_stream(streams_own_output_stream_t handle); + +void wasip2_list_u8_free(wasip2_list_u8_t *ptr); + +void streams_result_list_u8_stream_error_free(streams_result_list_u8_stream_error_t *ptr); + +void streams_result_u64_stream_error_free(streams_result_u64_stream_error_t *ptr); + +void streams_result_void_stream_error_free(streams_result_void_stream_error_t *ptr); + +extern void terminal_input_terminal_input_drop_own(terminal_input_own_terminal_input_t handle); + +extern void terminal_input_terminal_input_drop_borrow(terminal_input_borrow_terminal_input_t handle); + +extern terminal_input_borrow_terminal_input_t terminal_input_borrow_terminal_input(terminal_input_own_terminal_input_t handle); + +extern void terminal_output_terminal_output_drop_own(terminal_output_own_terminal_output_t handle); + +extern void terminal_output_terminal_output_drop_borrow(terminal_output_borrow_terminal_output_t handle); + +extern terminal_output_borrow_terminal_output_t terminal_output_borrow_terminal_output(terminal_output_own_terminal_output_t handle); + +void terminal_stdin_option_own_terminal_input_free(terminal_stdin_option_own_terminal_input_t *ptr); + +void terminal_stdout_option_own_terminal_output_free(terminal_stdout_option_own_terminal_output_t *ptr); + +void terminal_stderr_option_own_terminal_output_free(terminal_stderr_option_own_terminal_output_t *ptr); + +void filesystem_option_datetime_free(filesystem_option_datetime_t *ptr); + +void filesystem_descriptor_stat_free(filesystem_descriptor_stat_t *ptr); + +void filesystem_new_timestamp_free(filesystem_new_timestamp_t *ptr); + +void filesystem_directory_entry_free(filesystem_directory_entry_t *ptr); + +extern void filesystem_descriptor_drop_own(filesystem_own_descriptor_t handle); + +extern void filesystem_descriptor_drop_borrow(filesystem_borrow_descriptor_t handle); + +extern filesystem_borrow_descriptor_t filesystem_borrow_descriptor(filesystem_own_descriptor_t handle); + +extern void filesystem_directory_entry_stream_drop_own(filesystem_own_directory_entry_stream_t handle); + +extern void filesystem_directory_entry_stream_drop_borrow(filesystem_borrow_directory_entry_stream_t handle); + +extern filesystem_borrow_directory_entry_stream_t filesystem_borrow_directory_entry_stream(filesystem_own_directory_entry_stream_t handle); + +void filesystem_result_own_input_stream_error_code_free(filesystem_result_own_input_stream_error_code_t *ptr); + +void filesystem_result_own_output_stream_error_code_free(filesystem_result_own_output_stream_error_code_t *ptr); + +void filesystem_result_void_error_code_free(filesystem_result_void_error_code_t *ptr); + +void filesystem_result_descriptor_flags_error_code_free(filesystem_result_descriptor_flags_error_code_t *ptr); + +void filesystem_result_descriptor_type_error_code_free(filesystem_result_descriptor_type_error_code_t *ptr); + +void filesystem_result_tuple2_list_u8_bool_error_code_free(filesystem_result_tuple2_list_u8_bool_error_code_t *ptr); + +void filesystem_result_filesize_error_code_free(filesystem_result_filesize_error_code_t *ptr); + +void filesystem_result_own_directory_entry_stream_error_code_free(filesystem_result_own_directory_entry_stream_error_code_t *ptr); + +void filesystem_result_descriptor_stat_error_code_free(filesystem_result_descriptor_stat_error_code_t *ptr); + +void filesystem_result_own_descriptor_error_code_free(filesystem_result_own_descriptor_error_code_t *ptr); + +void filesystem_result_string_error_code_free(filesystem_result_string_error_code_t *ptr); + +void filesystem_result_metadata_hash_value_error_code_free(filesystem_result_metadata_hash_value_error_code_t *ptr); + +void filesystem_option_directory_entry_free(filesystem_option_directory_entry_t *ptr); + +void filesystem_result_option_directory_entry_error_code_free(filesystem_result_option_directory_entry_error_code_t *ptr); + +void filesystem_option_error_code_free(filesystem_option_error_code_t *ptr); + +void filesystem_preopens_tuple2_own_descriptor_string_free(filesystem_preopens_tuple2_own_descriptor_string_t *ptr); + +void filesystem_preopens_list_tuple2_own_descriptor_string_free(filesystem_preopens_list_tuple2_own_descriptor_string_t *ptr); + +extern void network_network_drop_own(network_own_network_t handle); + +extern void network_network_drop_borrow(network_borrow_network_t handle); + +extern network_borrow_network_t network_borrow_network(network_own_network_t handle); + +void network_ip_address_free(network_ip_address_t *ptr); + +void network_ip_socket_address_free(network_ip_socket_address_t *ptr); + +void udp_ip_socket_address_free(udp_ip_socket_address_t *ptr); + +void udp_incoming_datagram_free(udp_incoming_datagram_t *ptr); + +void udp_option_ip_socket_address_free(udp_option_ip_socket_address_t *ptr); + +void udp_outgoing_datagram_free(udp_outgoing_datagram_t *ptr); + +extern void udp_udp_socket_drop_own(udp_own_udp_socket_t handle); + +extern void udp_udp_socket_drop_borrow(udp_borrow_udp_socket_t handle); + +extern udp_borrow_udp_socket_t udp_borrow_udp_socket(udp_own_udp_socket_t handle); + +extern void udp_incoming_datagram_stream_drop_own(udp_own_incoming_datagram_stream_t handle); + +extern void udp_incoming_datagram_stream_drop_borrow(udp_borrow_incoming_datagram_stream_t handle); + +extern udp_borrow_incoming_datagram_stream_t udp_borrow_incoming_datagram_stream(udp_own_incoming_datagram_stream_t handle); + +extern void udp_outgoing_datagram_stream_drop_own(udp_own_outgoing_datagram_stream_t handle); + +extern void udp_outgoing_datagram_stream_drop_borrow(udp_borrow_outgoing_datagram_stream_t handle); + +extern udp_borrow_outgoing_datagram_stream_t udp_borrow_outgoing_datagram_stream(udp_own_outgoing_datagram_stream_t handle); + +void udp_result_void_error_code_free(udp_result_void_error_code_t *ptr); + +void udp_result_tuple2_own_incoming_datagram_stream_own_outgoing_datagram_stream_error_code_free(udp_result_tuple2_own_incoming_datagram_stream_own_outgoing_datagram_stream_error_code_t *ptr); + +void udp_result_ip_socket_address_error_code_free(udp_result_ip_socket_address_error_code_t *ptr); + +void udp_result_u8_error_code_free(udp_result_u8_error_code_t *ptr); + +void udp_result_u64_error_code_free(udp_result_u64_error_code_t *ptr); + +void udp_list_incoming_datagram_free(udp_list_incoming_datagram_t *ptr); + +void udp_result_list_incoming_datagram_error_code_free(udp_result_list_incoming_datagram_error_code_t *ptr); + +void udp_list_outgoing_datagram_free(udp_list_outgoing_datagram_t *ptr); + +void udp_create_socket_result_own_udp_socket_error_code_free(udp_create_socket_result_own_udp_socket_error_code_t *ptr); + +void tcp_ip_socket_address_free(tcp_ip_socket_address_t *ptr); + +extern void tcp_tcp_socket_drop_own(tcp_own_tcp_socket_t handle); + +extern void tcp_tcp_socket_drop_borrow(tcp_borrow_tcp_socket_t handle); + +extern tcp_borrow_tcp_socket_t tcp_borrow_tcp_socket(tcp_own_tcp_socket_t handle); + +void tcp_result_void_error_code_free(tcp_result_void_error_code_t *ptr); + +void tcp_result_tuple2_own_input_stream_own_output_stream_error_code_free(tcp_result_tuple2_own_input_stream_own_output_stream_error_code_t *ptr); + +void tcp_result_tuple3_own_tcp_socket_own_input_stream_own_output_stream_error_code_free(tcp_result_tuple3_own_tcp_socket_own_input_stream_own_output_stream_error_code_t *ptr); + +void tcp_result_ip_socket_address_error_code_free(tcp_result_ip_socket_address_error_code_t *ptr); + +void tcp_result_bool_error_code_free(tcp_result_bool_error_code_t *ptr); + +void tcp_result_duration_error_code_free(tcp_result_duration_error_code_t *ptr); + +void tcp_result_u32_error_code_free(tcp_result_u32_error_code_t *ptr); + +void tcp_result_u8_error_code_free(tcp_result_u8_error_code_t *ptr); + +void tcp_result_u64_error_code_free(tcp_result_u64_error_code_t *ptr); + +void tcp_create_socket_result_own_tcp_socket_error_code_free(tcp_create_socket_result_own_tcp_socket_error_code_t *ptr); + +void ip_name_lookup_ip_address_free(ip_name_lookup_ip_address_t *ptr); + +extern void ip_name_lookup_resolve_address_stream_drop_own(ip_name_lookup_own_resolve_address_stream_t handle); + +extern void ip_name_lookup_resolve_address_stream_drop_borrow(ip_name_lookup_borrow_resolve_address_stream_t handle); + +extern ip_name_lookup_borrow_resolve_address_stream_t ip_name_lookup_borrow_resolve_address_stream(ip_name_lookup_own_resolve_address_stream_t handle); + +void ip_name_lookup_result_own_resolve_address_stream_error_code_free(ip_name_lookup_result_own_resolve_address_stream_error_code_t *ptr); + +void ip_name_lookup_option_ip_address_free(ip_name_lookup_option_ip_address_t *ptr); + +void ip_name_lookup_result_option_ip_address_error_code_free(ip_name_lookup_result_option_ip_address_error_code_t *ptr); + +// Transfers ownership of `s` into the string `ret` +void wasip2_string_set(wasip2_string_t *ret, char*s); + +// Creates a copy of the input nul-terminate string `s` and +// stores it into the component model string `ret`. +void wasip2_string_dup(wasip2_string_t *ret, const char*s); + +// Deallocates the string pointed to by `ret`, deallocating +// the memory behind the string. +void wasip2_string_free(wasip2_string_t *ret); + +#ifdef __cplusplus +} +#endif +#endif |