diff options
Diffstat (limited to 'third_party/rust/hermit-abi/src')
| -rw-r--r-- | third_party/rust/hermit-abi/src/errno.rs | 397 | ||||
| -rw-r--r-- | third_party/rust/hermit-abi/src/lib.rs | 544 | ||||
| -rw-r--r-- | third_party/rust/hermit-abi/src/tcplistener.rs | 13 | ||||
| -rw-r--r-- | third_party/rust/hermit-abi/src/tcpstream.rs | 109 |
4 files changed, 1063 insertions, 0 deletions
diff --git a/third_party/rust/hermit-abi/src/errno.rs b/third_party/rust/hermit-abi/src/errno.rs new file mode 100644 index 0000000000..dc22dc8ced --- /dev/null +++ b/third_party/rust/hermit-abi/src/errno.rs @@ -0,0 +1,397 @@ +/// Operation not permitted +pub const EPERM: i32 = 1; + +/// No such file or directory +pub const ENOENT: i32 = 2; + +/// No such process +pub const ESRCH: i32 = 3; + +/// Interrupted system call +pub const EINTR: i32 = 4; + +/// I/O error +pub const EIO: i32 = 5; + +/// No such device or address +pub const ENXIO: i32 = 6; + +/// Argument list too long +pub const E2BIG: i32 = 7; + +/// Exec format error +pub const ENOEXEC: i32 = 8; + +/// Bad file number +pub const EBADF: i32 = 9; + +/// No child processes +pub const ECHILD: i32 = 10; + +/// Try again +pub const EAGAIN: i32 = 11; + +/// Out of memory +pub const ENOMEM: i32 = 12; + +/// Permission denied +pub const EACCES: i32 = 13; + +/// Bad address +pub const EFAULT: i32 = 14; + +/// Block device required +pub const ENOTBLK: i32 = 15; + +/// Device or resource busy +pub const EBUSY: i32 = 16; + +/// File exists +pub const EEXIST: i32 = 17; + +/// Cross-device link +pub const EXDEV: i32 = 18; + +/// No such device +pub const ENODEV: i32 = 19; + +/// Not a directory +pub const ENOTDIR: i32 = 20; + +/// Is a directory +pub const EISDIR: i32 = 21; + +/// Invalid argument +pub const EINVAL: i32 = 22; + +/// File table overflow +pub const ENFILE: i32 = 23; + +/// Too many open files +pub const EMFILE: i32 = 24; + +/// Not a typewriter +pub const ENOTTY: i32 = 25; + +/// Text file busy +pub const ETXTBSY: i32 = 26; + +/// File too large +pub const EFBIG: i32 = 27; + +/// No space left on device +pub const ENOSPC: i32 = 28; + +/// Illegal seek +pub const ESPIPE: i32 = 29; + +/// Read-only file system +pub const EROFS: i32 = 30; + +/// Too many links +pub const EMLINK: i32 = 31; + +/// Broken pipe +pub const EPIPE: i32 = 32; + +/// Math argument out of domain of func +pub const EDOM: i32 = 33; + +/// Math result not representable +pub const ERANGE: i32 = 34; + +/// Resource deadlock would occur +pub const EDEADLK: i32 = 35; + +/// File name too long +pub const ENAMETOOLONG: i32 = 36; + +/// No record locks available +pub const ENOLCK: i32 = 37; + +/// Function not implemented +pub const ENOSYS: i32 = 38; + +/// Directory not empty +pub const ENOTEMPTY: i32 = 39; + +/// Too many symbolic links encountered +pub const ELOOP: i32 = 40; + +/// Operation would block +pub const EWOULDBLOCK: i32 = EAGAIN; + +/// No message of desired type +pub const ENOMSG: i32 = 42; + +/// Identifier removed +pub const EIDRM: i32 = 43; + +/// Channel number out of range +pub const ECHRNG: i32 = 44; + +/// Level 2 not synchronized +pub const EL2NSYNC: i32 = 45; + +/// Level 3 halted +pub const EL3HLT: i32 = 46; + +/// Level 3 reset +pub const EL3RST: i32 = 47; + +/// Link number out of range +pub const ELNRNG: i32 = 48; + +/// Protocol driver not attached +pub const EUNATCH: i32 = 49; + +/// No CSI structure available +pub const ENOCSI: i32 = 50; + +/// Level 2 halted +pub const EL2HLT: i32 = 51; + +/// Invalid exchange +pub const EBADE: i32 = 52; + +/// Invalid request descriptor +pub const EBADR: i32 = 53; + +/// Exchange full +pub const EXFULL: i32 = 54; + +/// No anode +pub const ENOANO: i32 = 55; + +/// Invalid request code +pub const EBADRQC: i32 = 56; + +/// Invalid slot +pub const EBADSLT: i32 = 57; + +pub const EDEADLOCK: i32 = EDEADLK; + +/// Bad font file format +pub const EBFONT: i32 = 59; + +/// Device not a stream +pub const ENOSTR: i32 = 60; + +/// No data available +pub const ENODATA: i32 = 61; + +/// Timer expired +pub const ETIME: i32 = 62; + +/// Out of streams resources +pub const ENOSR: i32 = 63; + +/// Machine is not on the network +pub const ENONET: i32 = 64; + +/// Package not installed +pub const ENOPKG: i32 = 65; + +/// Object is remote +pub const EREMOTE: i32 = 66; + +/// Link has been severed +pub const ENOLINK: i32 = 67; + +/// Advertise error +pub const EADV: i32 = 68; + +/// Srmount error +pub const ESRMNT: i32 = 69; + +/// Communication error on send +pub const ECOMM: i32 = 70; + +/// Protocol error +pub const EPROTO: i32 = 71; + +/// Multihop attempted +pub const EMULTIHOP: i32 = 72; + +/// RFS specific error +pub const EDOTDOT: i32 = 73; + +/// Not a data message +pub const EBADMSG: i32 = 74; + +/// Value too large for defined data type +pub const EOVERFLOW: i32 = 75; + +/// Name not unique on network +pub const ENOTUNIQ: i32 = 76; + +/// File descriptor in bad state +pub const EBADFD: i32 = 77; + +/// Remote address changed +pub const EREMCHG: i32 = 78; + +/// Can not access a needed shared library +pub const ELIBACC: i32 = 79; + +/// Accessing a corrupted shared library +pub const ELIBBAD: i32 = 80; + +/// .lib section in a.out corrupted +pub const ELIBSCN: i32 = 81; + +/// Attempting to link in too many shared libraries +pub const ELIBMAX: i32 = 82; + +/// Cannot exec a shared library directly +pub const ELIBEXEC: i32 = 83; + +/// Illegal byte sequence +pub const EILSEQ: i32 = 84; + +/// Interrupted system call should be restarted +pub const ERESTART: i32 = 85; + +/// Streams pipe error +pub const ESTRPIPE: i32 = 86; + +/// Too many users +pub const EUSERS: i32 = 87; + +/// Socket operation on non-socket +pub const ENOTSOCK: i32 = 88; + +/// Destination address required +pub const EDESTADDRREQ: i32 = 89; + +/// Message too long +pub const EMSGSIZE: i32 = 90; + +/// Protocol wrong type for socket +pub const EPROTOTYPE: i32 = 91; + +/// Protocol not available +pub const ENOPROTOOPT: i32 = 92; + +/// Protocol not supported +pub const EPROTONOSUPPORT: i32 = 93; + +/// Socket type not supported +pub const ESOCKTNOSUPPORT: i32 = 94; + +/// Operation not supported on transport endpoint +pub const EOPNOTSUPP: i32 = 95; + +/// Protocol family not supported +pub const EPFNOSUPPORT: i32 = 96; + +/// Address family not supported by protocol +pub const EAFNOSUPPORT: i32 = 97; + +/// Address already in use +pub const EADDRINUSE: i32 = 98; + +/// Cannot assign requested address +pub const EADDRNOTAVAIL: i32 = 99; + +/// Network is down +pub const ENETDOWN: i32 = 100; + +/// Network is unreachable +pub const ENETUNREACH: i32 = 101; + +/// Network dropped connection because of reset +pub const ENETRESET: i32 = 102; + +/// Software caused connection abort +pub const ECONNABORTED: i32 = 103; + +/// Connection reset by peer +pub const ECONNRESET: i32 = 104; + +/// No buffer space available +pub const ENOBUFS: i32 = 105; + +/// Transport endpoint is already connected +pub const EISCONN: i32 = 106; + +/// Transport endpoint is not connected +pub const ENOTCONN: i32 = 107; + +/// Cannot send after transport endpoint shutdown +pub const ESHUTDOWN: i32 = 108; + +/// Too many references: cannot splice +pub const ETOOMANYREFS: i32 = 109; + +/// Connection timed out +pub const ETIMEDOUT: i32 = 110; + +/// Connection refused +pub const ECONNREFUSED: i32 = 111; + +/// Host is down +pub const EHOSTDOWN: i32 = 112; + +/// No route to host +pub const EHOSTUNREACH: i32 = 113; + +/// Operation already in progress +pub const EALREADY: i32 = 114; + +/// Operation now in progress +pub const EINPROGRESS: i32 = 115; + +/// Stale file handle +pub const ESTALE: i32 = 116; + +/// Structure needs cleaning +pub const EUCLEAN: i32 = 117; + +/// Not a XENIX named type file +pub const ENOTNAM: i32 = 118; + +/// No XENIX semaphores available +pub const ENAVAIL: i32 = 119; + +/// Is a named type file +pub const EISNAM: i32 = 120; + +/// Remote I/O error +pub const EREMOTEIO: i32 = 121; + +/// Quota exceeded +pub const EDQUOT: i32 = 122; + +/// No medium found +pub const ENOMEDIUM: i32 = 123; + +/// Wrong medium type +pub const EMEDIUMTYPE: i32 = 124; + +/// Operation Canceled +pub const ECANCELED: i32 = 125; + +/// Required key not available +pub const ENOKEY: i32 = 126; + +/// Key has expired +pub const EKEYEXPIRED: i32 = 127; + +/// Key has been revoked +pub const EKEYREVOKED: i32 = 128; + +/// Key was rejected by service +pub const EKEYREJECTED: i32 = 129; + +/// Robust mutexes: Owner died +pub const EOWNERDEAD: i32 = 130; + +/// Robust mutexes: State not recoverable +pub const ENOTRECOVERABLE: i32 = 131; + +/// Robust mutexes: Operation not possible due to RF-kill +pub const ERFKILL: i32 = 132; + +/// Robust mutexes: Memory page has hardware error +pub const EHWPOISON: i32 = 133; diff --git a/third_party/rust/hermit-abi/src/lib.rs b/third_party/rust/hermit-abi/src/lib.rs new file mode 100644 index 0000000000..2a8a2e2dc4 --- /dev/null +++ b/third_party/rust/hermit-abi/src/lib.rs @@ -0,0 +1,544 @@ +//! `hermit-abi` is small interface to call functions from the unikernel +//! [RustyHermit](https://github.com/hermitcore/libhermit-rs). + +#![no_std] +#![allow(clippy::missing_safety_doc)] +#![allow(clippy::result_unit_err)] + +pub mod errno; +pub mod tcplistener; +pub mod tcpstream; + +use core::mem::MaybeUninit; + +use libc::c_void; + +// sysmbols, which are part of the library operating system + +extern "C" { + fn sys_rand() -> u32; + fn sys_srand(seed: u32); + fn sys_secure_rand32(value: *mut u32) -> i32; + fn sys_secure_rand64(value: *mut u64) -> i32; + fn sys_get_processor_count() -> usize; + fn sys_malloc(size: usize, align: usize) -> *mut u8; + fn sys_realloc(ptr: *mut u8, size: usize, align: usize, new_size: usize) -> *mut u8; + fn sys_free(ptr: *mut u8, size: usize, align: usize); + fn sys_init_queue(ptr: usize) -> i32; + fn sys_notify(id: usize, count: i32) -> i32; + fn sys_add_queue(id: usize, timeout_ns: i64) -> i32; + fn sys_wait(id: usize) -> i32; + fn sys_destroy_queue(id: usize) -> i32; + fn sys_read(fd: i32, buf: *mut u8, len: usize) -> isize; + fn sys_write(fd: i32, buf: *const u8, len: usize) -> isize; + fn sys_close(fd: i32) -> i32; + fn sys_futex_wait( + address: *mut u32, + expected: u32, + timeout: *const timespec, + flags: u32, + ) -> i32; + fn sys_futex_wake(address: *mut u32, count: i32) -> i32; + fn sys_sem_init(sem: *mut *const c_void, value: u32) -> i32; + fn sys_sem_destroy(sem: *const c_void) -> i32; + fn sys_sem_post(sem: *const c_void) -> i32; + fn sys_sem_trywait(sem: *const c_void) -> i32; + fn sys_sem_timedwait(sem: *const c_void, ms: u32) -> i32; + fn sys_recmutex_init(recmutex: *mut *const c_void) -> i32; + fn sys_recmutex_destroy(recmutex: *const c_void) -> i32; + fn sys_recmutex_lock(recmutex: *const c_void) -> i32; + fn sys_recmutex_unlock(recmutex: *const c_void) -> i32; + fn sys_getpid() -> u32; + fn sys_exit(arg: i32) -> !; + fn sys_abort() -> !; + fn sys_usleep(usecs: u64); + fn sys_spawn( + id: *mut Tid, + func: extern "C" fn(usize), + arg: usize, + prio: u8, + core_id: isize, + ) -> i32; + fn sys_spawn2( + func: extern "C" fn(usize), + arg: usize, + prio: u8, + stack_size: usize, + core_id: isize, + ) -> Tid; + fn sys_join(id: Tid) -> i32; + fn sys_yield(); + fn sys_clock_gettime(clock_id: u64, tp: *mut timespec) -> i32; + fn sys_open(name: *const i8, flags: i32, mode: i32) -> i32; + fn sys_unlink(name: *const i8) -> i32; + fn sys_network_init() -> i32; + fn sys_block_current_task(); + fn sys_block_current_task_with_timeout(timeout: u64); + fn sys_wakeup_task(tid: Tid); + fn sys_get_priority() -> u8; + fn sys_set_priority(tid: Tid, prio: u8); +} + +/// A thread handle type +pub type Tid = u32; + +/// Maximum number of priorities +pub const NO_PRIORITIES: usize = 31; + +/// Priority of a thread +#[derive(PartialEq, Eq, PartialOrd, Ord, Debug, Clone, Copy)] +pub struct Priority(u8); + +impl Priority { + pub const fn into(self) -> u8 { + self.0 + } + + pub const fn from(x: u8) -> Self { + Priority(x) + } +} + +pub const HIGH_PRIO: Priority = Priority::from(3); +pub const NORMAL_PRIO: Priority = Priority::from(2); +pub const LOW_PRIO: Priority = Priority::from(1); + +/// A handle, identifying a socket +#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Default, Hash)] +pub struct Handle(usize); + +pub const NSEC_PER_SEC: u64 = 1_000_000_000; +pub const FUTEX_RELATIVE_TIMEOUT: u32 = 1; +pub const CLOCK_REALTIME: u64 = 1; +pub const CLOCK_MONOTONIC: u64 = 4; +pub const STDIN_FILENO: libc::c_int = 0; +pub const STDOUT_FILENO: libc::c_int = 1; +pub const STDERR_FILENO: libc::c_int = 2; +pub const O_RDONLY: i32 = 0o0; +pub const O_WRONLY: i32 = 0o1; +pub const O_RDWR: i32 = 0o2; +pub const O_CREAT: i32 = 0o100; +pub const O_EXCL: i32 = 0o200; +pub const O_TRUNC: i32 = 0o1000; +pub const O_APPEND: i32 = 0o2000; + +/// returns true if file descriptor `fd` is a tty +pub fn isatty(_fd: libc::c_int) -> bool { + false +} + +/// initialize the network stack +pub fn network_init() -> i32 { + unsafe { sys_network_init() } +} + +/// `timespec` is used by `clock_gettime` to retrieve the +/// current time +#[derive(Copy, Clone, Debug)] +#[repr(C)] +pub struct timespec { + /// seconds + pub tv_sec: i64, + /// nanoseconds + pub tv_nsec: i64, +} + +/// Internet protocol version. +#[derive(Debug, Hash, PartialEq, Eq, PartialOrd, Ord, Clone, Copy)] +pub enum Version { + Unspecified, + Ipv4, + Ipv6, +} + +/// A four-octet IPv4 address. +#[derive(Debug, Hash, PartialEq, Eq, PartialOrd, Ord, Clone, Copy, Default)] +pub struct Ipv4Address(pub [u8; 4]); + +/// A sixteen-octet IPv6 address. +#[derive(Debug, Hash, PartialEq, Eq, PartialOrd, Ord, Clone, Copy, Default)] +pub struct Ipv6Address(pub [u8; 16]); + +/// An internetworking address. +#[derive(Debug, Hash, PartialEq, Eq, PartialOrd, Ord, Clone, Copy)] +pub enum IpAddress { + /// An unspecified address. + /// May be used as a placeholder for storage where the address is not assigned yet. + Unspecified, + /// An IPv4 address. + Ipv4(Ipv4Address), + /// An IPv6 address. + Ipv6(Ipv6Address), +} + +/// determines the number of activated processors +#[inline(always)] +pub unsafe fn get_processor_count() -> usize { + sys_get_processor_count() +} + +#[doc(hidden)] +#[inline(always)] +pub unsafe fn malloc(size: usize, align: usize) -> *mut u8 { + sys_malloc(size, align) +} + +#[doc(hidden)] +#[inline(always)] +pub unsafe fn realloc(ptr: *mut u8, size: usize, align: usize, new_size: usize) -> *mut u8 { + sys_realloc(ptr, size, align, new_size) +} + +#[doc(hidden)] +#[inline(always)] +pub unsafe fn free(ptr: *mut u8, size: usize, align: usize) { + sys_free(ptr, size, align) +} + +#[inline(always)] +pub unsafe fn notify(id: usize, count: i32) -> i32 { + sys_notify(id, count) +} + +#[doc(hidden)] +#[inline(always)] +pub unsafe fn add_queue(id: usize, timeout_ns: i64) -> i32 { + sys_add_queue(id, timeout_ns) +} + +#[doc(hidden)] +#[inline(always)] +pub unsafe fn wait(id: usize) -> i32 { + sys_wait(id) +} + +#[doc(hidden)] +#[inline(always)] +pub unsafe fn init_queue(id: usize) -> i32 { + sys_init_queue(id) +} + +#[doc(hidden)] +#[inline(always)] +pub unsafe fn destroy_queue(id: usize) -> i32 { + sys_destroy_queue(id) +} + +/// read from a file descriptor +/// +/// read() attempts to read `len` bytes of data from the object +/// referenced by the descriptor `fd` into the buffer pointed +/// to by `buf`. +#[inline(always)] +pub unsafe fn read(fd: i32, buf: *mut u8, len: usize) -> isize { + sys_read(fd, buf, len) +} + +/// write to a file descriptor +/// +/// write() attempts to write `len` of data to the object +/// referenced by the descriptor `fd` from the +/// buffer pointed to by `buf`. +#[inline(always)] +pub unsafe fn write(fd: i32, buf: *const u8, len: usize) -> isize { + sys_write(fd, buf, len) +} + +/// close a file descriptor +/// +/// The close() call deletes a file descriptor `fd` from the object +/// reference table. +#[inline(always)] +pub unsafe fn close(fd: i32) -> i32 { + sys_close(fd) +} + +/// If the value at address matches the expected value, park the current thread until it is either +/// woken up with [`futex_wake`] (returns 0) or an optional timeout elapses (returns -ETIMEDOUT). +/// +/// Setting `timeout` to null means the function will only return if [`futex_wake`] is called. +/// Otherwise, `timeout` is interpreted as an absolute time measured with [`CLOCK_MONOTONIC`]. +/// If [`FUTEX_RELATIVE_TIMEOUT`] is set in `flags` the timeout is understood to be relative +/// to the current time. +/// +/// Returns -EINVAL if `address` is null, the timeout is negative or `flags` contains unknown values. +#[inline(always)] +pub unsafe fn futex_wait( + address: *mut u32, + expected: u32, + timeout: *const timespec, + flags: u32, +) -> i32 { + sys_futex_wait(address, expected, timeout, flags) +} + +/// Wake `count` threads waiting on the futex at `address`. Returns the number of threads +/// woken up (saturates to `i32::MAX`). If `count` is `i32::MAX`, wake up all matching +/// waiting threads. If `count` is negative or `address` is null, returns -EINVAL. +#[inline(always)] +pub unsafe fn futex_wake(address: *mut u32, count: i32) -> i32 { + sys_futex_wake(address, count) +} + +/// sem_init() initializes the unnamed semaphore at the address +/// pointed to by `sem`. The `value` argument specifies the +/// initial value for the semaphore. +#[inline(always)] +pub unsafe fn sem_init(sem: *mut *const c_void, value: u32) -> i32 { + sys_sem_init(sem, value) +} + +/// sem_destroy() frees the unnamed semaphore at the address +/// pointed to by `sem`. +#[inline(always)] +pub unsafe fn sem_destroy(sem: *const c_void) -> i32 { + sys_sem_destroy(sem) +} + +/// sem_post() increments the semaphore pointed to by `sem`. +/// If the semaphore's value consequently becomes greater +/// than zero, then another thread blocked in a sem_wait call +/// will be woken up and proceed to lock the semaphore. +#[inline(always)] +pub unsafe fn sem_post(sem: *const c_void) -> i32 { + sys_sem_post(sem) +} + +/// try to decrement a semaphore +/// +/// sem_trywait() is the same as sem_timedwait(), except that +/// if the decrement cannot be immediately performed, then call +/// returns a negative value instead of blocking. +#[inline(always)] +pub unsafe fn sem_trywait(sem: *const c_void) -> i32 { + sys_sem_trywait(sem) +} + +/// decrement a semaphore +/// +/// sem_timedwait() decrements the semaphore pointed to by `sem`. +/// If the semaphore's value is greater than zero, then the +/// the function returns immediately. If the semaphore currently +/// has the value zero, then the call blocks until either +/// it becomes possible to perform the decrement of the time limit +/// to wait for the semaphore is expired. A time limit `ms` of +/// means infinity waiting time. +#[inline(always)] +pub unsafe fn sem_timedwait(sem: *const c_void, ms: u32) -> i32 { + sys_sem_timedwait(sem, ms) +} + +#[doc(hidden)] +#[inline(always)] +pub unsafe fn recmutex_init(recmutex: *mut *const c_void) -> i32 { + sys_recmutex_init(recmutex) +} + +#[doc(hidden)] +#[inline(always)] +pub unsafe fn recmutex_destroy(recmutex: *const c_void) -> i32 { + sys_recmutex_destroy(recmutex) +} + +#[doc(hidden)] +#[inline(always)] +pub unsafe fn recmutex_lock(recmutex: *const c_void) -> i32 { + sys_recmutex_lock(recmutex) +} + +#[doc(hidden)] +#[inline(always)] +pub unsafe fn recmutex_unlock(recmutex: *const c_void) -> i32 { + sys_recmutex_unlock(recmutex) +} + +/// Determines the id of the current thread +#[inline(always)] +pub unsafe fn getpid() -> u32 { + sys_getpid() +} + +/// cause normal termination and return `arg` +/// to the host system +#[inline(always)] +pub unsafe fn exit(arg: i32) -> ! { + sys_exit(arg) +} + +/// cause abnormal termination +#[inline(always)] +pub unsafe fn abort() -> ! { + sys_abort() +} + +/// suspend execution for microsecond intervals +/// +/// The usleep() function suspends execution of the calling +/// thread for (at least) `usecs` microseconds. +#[inline(always)] +pub unsafe fn usleep(usecs: u64) { + sys_usleep(usecs) +} + +/// spawn a new thread +/// +/// spawn() starts a new thread. The new thread starts execution +/// by invoking `func(usize)`; `arg` is passed as the argument +/// to `func`. `prio` defines the priority of the new thread, +/// which can be between `LOW_PRIO` and `HIGH_PRIO`. +/// `core_id` defines the core, where the thread is located. +/// A negative value give the operating system the possibility +/// to select the core by its own. +#[inline(always)] +pub unsafe fn spawn( + id: *mut Tid, + func: extern "C" fn(usize), + arg: usize, + prio: u8, + core_id: isize, +) -> i32 { + sys_spawn(id, func, arg, prio, core_id) +} + +/// spawn a new thread with user-specified stack size +/// +/// spawn2() starts a new thread. The new thread starts execution +/// by invoking `func(usize)`; `arg` is passed as the argument +/// to `func`. `prio` defines the priority of the new thread, +/// which can be between `LOW_PRIO` and `HIGH_PRIO`. +/// `core_id` defines the core, where the thread is located. +/// A negative value give the operating system the possibility +/// to select the core by its own. +/// In contrast to spawn(), spawn2() is able to define the +/// stack size. +#[inline(always)] +pub unsafe fn spawn2( + func: extern "C" fn(usize), + arg: usize, + prio: u8, + stack_size: usize, + core_id: isize, +) -> Tid { + sys_spawn2(func, arg, prio, stack_size, core_id) +} + +/// join with a terminated thread +/// +/// The join() function waits for the thread specified by `id` +/// to terminate. +#[inline(always)] +pub unsafe fn join(id: Tid) -> i32 { + sys_join(id) +} + +/// yield the processor +/// +/// causes the calling thread to relinquish the CPU. The thread +/// is moved to the end of the queue for its static priority. +#[inline(always)] +pub unsafe fn yield_now() { + sys_yield() +} + +/// get current time +/// +/// The clock_gettime() functions allow the calling thread +/// to retrieve the value used by a clock which is specified +/// by `clock_id`. +/// +/// `CLOCK_REALTIME`: the system's real time clock, +/// expressed as the amount of time since the Epoch. +/// +/// `CLOCK_MONOTONIC`: clock that increments monotonically, +/// tracking the time since an arbitrary point +#[inline(always)] +pub unsafe fn clock_gettime(clock_id: u64, tp: *mut timespec) -> i32 { + sys_clock_gettime(clock_id, tp) +} + +/// open and possibly create a file +/// +/// The open() system call opens the file specified by `name`. +/// If the specified file does not exist, it may optionally +/// be created by open(). +#[inline(always)] +pub unsafe fn open(name: *const i8, flags: i32, mode: i32) -> i32 { + sys_open(name, flags, mode) +} + +/// delete the file it refers to `name` +#[inline(always)] +pub unsafe fn unlink(name: *const i8) -> i32 { + sys_unlink(name) +} + +/// The largest number `rand` will return +pub const RAND_MAX: u64 = 2_147_483_647; + +/// The function computes a sequence of pseudo-random integers +/// in the range of 0 to RAND_MAX +#[inline(always)] +pub unsafe fn rand() -> u32 { + sys_rand() +} + +/// The function sets its argument as the seed for a new sequence +/// of pseudo-random numbers to be returned by `rand` +#[inline(always)] +pub unsafe fn srand(seed: u32) { + sys_srand(seed); +} + +/// Create a cryptographicly secure 32bit random number with the support of +/// the underlying hardware. If the required hardware isn't available, +/// the function returns `None`. +#[inline(always)] +pub unsafe fn secure_rand32() -> Option<u32> { + let mut rand = MaybeUninit::uninit(); + let res = sys_secure_rand32(rand.as_mut_ptr()); + (res == 0).then(|| rand.assume_init()) +} + +/// Create a cryptographicly secure 64bit random number with the support of +/// the underlying hardware. If the required hardware isn't available, +/// the function returns `None`. +#[inline(always)] +pub unsafe fn secure_rand64() -> Option<u64> { + let mut rand = MaybeUninit::uninit(); + let res = sys_secure_rand64(rand.as_mut_ptr()); + (res == 0).then(|| rand.assume_init()) +} + +/// Add current task to the queue of blocked tasks. After calling `block_current_task`, +/// call `yield_now` to switch to another task. +#[inline(always)] +pub unsafe fn block_current_task() { + sys_block_current_task(); +} + +/// Add current task to the queue of blocked tasks, but wake it when `timeout` milliseconds +/// have elapsed. +/// +/// After calling `block_current_task`, call `yield_now` to switch to another task. +#[inline(always)] +pub unsafe fn block_current_task_with_timeout(timeout: u64) { + sys_block_current_task_with_timeout(timeout); +} + +/// Wakeup task with the thread id `tid` +#[inline(always)] +pub unsafe fn wakeup_task(tid: Tid) { + sys_wakeup_task(tid); +} + +/// Determine the priority of the current thread +#[inline(always)] +pub unsafe fn get_priority() -> Priority { + Priority::from(sys_get_priority()) +} + +/// Determine the priority of the current thread +#[inline(always)] +pub unsafe fn set_priority(tid: Tid, prio: Priority) { + sys_set_priority(tid, prio.into()); +} diff --git a/third_party/rust/hermit-abi/src/tcplistener.rs b/third_party/rust/hermit-abi/src/tcplistener.rs new file mode 100644 index 0000000000..5afe67364b --- /dev/null +++ b/third_party/rust/hermit-abi/src/tcplistener.rs @@ -0,0 +1,13 @@ +//! `tcplistener` provide an interface to establish tcp socket server. + +use crate::{Handle, IpAddress}; + +extern "Rust" { + fn sys_tcp_listener_accept(port: u16) -> Result<(Handle, IpAddress, u16), ()>; +} + +/// Wait for connection at specified address. +#[inline(always)] +pub fn accept(port: u16) -> Result<(Handle, IpAddress, u16), ()> { + unsafe { sys_tcp_listener_accept(port) } +} diff --git a/third_party/rust/hermit-abi/src/tcpstream.rs b/third_party/rust/hermit-abi/src/tcpstream.rs new file mode 100644 index 0000000000..3024d379f5 --- /dev/null +++ b/third_party/rust/hermit-abi/src/tcpstream.rs @@ -0,0 +1,109 @@ +//! `tcpstream` provide an interface to establish tcp socket client. + +use crate::{Handle, IpAddress}; + +extern "Rust" { + fn sys_tcp_stream_connect(ip: &[u8], port: u16, timeout: Option<u64>) -> Result<Handle, ()>; + fn sys_tcp_stream_close(handle: Handle) -> Result<(), ()>; + fn sys_tcp_stream_read(handle: Handle, buffer: &mut [u8]) -> Result<usize, ()>; + fn sys_tcp_stream_write(handle: Handle, buffer: &[u8]) -> Result<usize, ()>; + fn sys_tcp_stream_set_read_timeout(handle: Handle, timeout: Option<u64>) -> Result<(), ()>; + fn sys_tcp_stream_get_read_timeout(handle: Handle) -> Result<Option<u64>, ()>; + fn sys_tcp_stream_set_write_timeout(handle: Handle, timeout: Option<u64>) -> Result<(), ()>; + fn sys_tcp_stream_get_write_timeout(handle: Handle) -> Result<Option<u64>, ()>; + fn sys_tcp_stream_peek(handle: Handle, buf: &mut [u8]) -> Result<usize, ()>; + fn sys_tcp_stream_set_nonblocking(handle: Handle, mode: bool) -> Result<(), ()>; + fn sys_tcp_stream_set_tll(handle: Handle, ttl: u32) -> Result<(), ()>; + fn sys_tcp_stream_get_tll(handle: Handle) -> Result<u32, ()>; + fn sys_tcp_stream_shutdown(handle: Handle, how: i32) -> Result<(), ()>; + fn sys_tcp_stream_peer_addr(handle: Handle) -> Result<(IpAddress, u16), ()>; +} + +/// Opens a TCP connection to a remote host. +#[inline(always)] +pub fn connect(ip: &[u8], port: u16, timeout: Option<u64>) -> Result<Handle, ()> { + unsafe { sys_tcp_stream_connect(ip, port, timeout) } +} + +/// Close a TCP connection +#[inline(always)] +pub fn close(handle: Handle) -> Result<(), ()> { + unsafe { sys_tcp_stream_close(handle) } +} + +#[inline(always)] +pub fn peek(handle: Handle, buf: &mut [u8]) -> Result<usize, ()> { + unsafe { sys_tcp_stream_peek(handle, buf) } +} + +#[inline(always)] +pub fn peer_addr(handle: Handle) -> Result<(IpAddress, u16), ()> { + unsafe { sys_tcp_stream_peer_addr(handle) } +} +#[inline(always)] +pub fn read(handle: Handle, buffer: &mut [u8]) -> Result<usize, ()> { + unsafe { sys_tcp_stream_read(handle, buffer) } +} + +#[inline(always)] +pub fn write(handle: Handle, buffer: &[u8]) -> Result<usize, ()> { + unsafe { sys_tcp_stream_write(handle, buffer) } +} + +#[inline(always)] +pub fn set_read_timeout(handle: Handle, timeout: Option<u64>) -> Result<(), ()> { + unsafe { sys_tcp_stream_set_read_timeout(handle, timeout) } +} + +#[inline(always)] +pub fn set_write_timeout(handle: Handle, timeout: Option<u64>) -> Result<(), ()> { + unsafe { sys_tcp_stream_set_write_timeout(handle, timeout) } +} + +#[inline(always)] +pub fn get_read_timeout(handle: Handle) -> Result<Option<u64>, ()> { + unsafe { sys_tcp_stream_get_read_timeout(handle) } +} + +#[inline(always)] +pub fn get_write_timeout(handle: Handle) -> Result<Option<u64>, ()> { + unsafe { sys_tcp_stream_get_write_timeout(handle) } +} + +#[inline(always)] +pub fn set_nodelay(_: Handle, mode: bool) -> Result<(), ()> { + // smoltcp does not support Nagle's algorithm + // => to enable Nagle's algorithm isn't possible + if mode { + Ok(()) + } else { + Err(()) + } +} + +#[inline(always)] +pub fn nodelay(_: Handle) -> Result<bool, ()> { + // smoltcp does not support Nagle's algorithm + // => return always true + Ok(true) +} + +#[inline(always)] +pub fn set_nonblocking(handle: Handle, mode: bool) -> Result<(), ()> { + unsafe { sys_tcp_stream_set_nonblocking(handle, mode) } +} + +#[inline(always)] +pub fn set_tll(handle: Handle, ttl: u32) -> Result<(), ()> { + unsafe { sys_tcp_stream_set_tll(handle, ttl) } +} + +#[inline(always)] +pub fn get_tll(handle: Handle) -> Result<u32, ()> { + unsafe { sys_tcp_stream_get_tll(handle) } +} + +#[inline(always)] +pub fn shutdown(handle: Handle, how: i32) -> Result<(), ()> { + unsafe { sys_tcp_stream_shutdown(handle, how) } +} |