diff options
Diffstat (limited to 'lib/isc/unix/include')
| l--------- | lib/isc/unix/include/.clang-format | 1 | ||||
| -rw-r--r-- | lib/isc/unix/include/Makefile.in | 19 | ||||
| -rw-r--r-- | lib/isc/unix/include/isc/Makefile.in | 37 | ||||
| -rw-r--r-- | lib/isc/unix/include/isc/align.h | 20 | ||||
| -rw-r--r-- | lib/isc/unix/include/isc/dir.h | 75 | ||||
| -rw-r--r-- | lib/isc/unix/include/isc/net.h | 310 | ||||
| -rw-r--r-- | lib/isc/unix/include/isc/netdb.h | 51 | ||||
| -rw-r--r-- | lib/isc/unix/include/isc/offset.h | 28 | ||||
| -rw-r--r-- | lib/isc/unix/include/isc/stat.h | 47 | ||||
| -rw-r--r-- | lib/isc/unix/include/isc/stdatomic.h | 224 | ||||
| -rw-r--r-- | lib/isc/unix/include/isc/stdtime.h | 64 | ||||
| -rw-r--r-- | lib/isc/unix/include/isc/syslog.h | 41 | ||||
| -rw-r--r-- | lib/isc/unix/include/isc/time.h | 452 |
13 files changed, 1369 insertions, 0 deletions
diff --git a/lib/isc/unix/include/.clang-format b/lib/isc/unix/include/.clang-format new file mode 120000 index 0000000..e919bba --- /dev/null +++ b/lib/isc/unix/include/.clang-format @@ -0,0 +1 @@ +../../../../.clang-format.headers
\ No newline at end of file diff --git a/lib/isc/unix/include/Makefile.in b/lib/isc/unix/include/Makefile.in new file mode 100644 index 0000000..60a0a67 --- /dev/null +++ b/lib/isc/unix/include/Makefile.in @@ -0,0 +1,19 @@ +# Copyright (C) Internet Systems Consortium, Inc. ("ISC") +# +# SPDX-License-Identifier: MPL-2.0 +# +# This Source Code Form is subject to the terms of the Mozilla Public +# License, v. 2.0. If a copy of the MPL was not distributed with this +# file, you can obtain one at https://mozilla.org/MPL/2.0/. +# +# See the COPYRIGHT file distributed with this work for additional +# information regarding copyright ownership. + +srcdir = @srcdir@ +VPATH = @srcdir@ +top_srcdir = @top_srcdir@ + +SUBDIRS = isc +TARGETS = + +@BIND9_MAKE_RULES@ diff --git a/lib/isc/unix/include/isc/Makefile.in b/lib/isc/unix/include/isc/Makefile.in new file mode 100644 index 0000000..06f7806 --- /dev/null +++ b/lib/isc/unix/include/isc/Makefile.in @@ -0,0 +1,37 @@ +# Copyright (C) Internet Systems Consortium, Inc. ("ISC") +# +# SPDX-License-Identifier: MPL-2.0 +# +# This Source Code Form is subject to the terms of the Mozilla Public +# License, v. 2.0. If a copy of the MPL was not distributed with this +# file, you can obtain one at https://mozilla.org/MPL/2.0/. +# +# See the COPYRIGHT file distributed with this work for additional +# information regarding copyright ownership. + +srcdir = @srcdir@ +VPATH = @srcdir@ +top_srcdir = @top_srcdir@ + +VERSION=@BIND9_VERSION@ + +HEADERS = align.h dir.h net.h netdb.h offset.h stat.h \ + stdatomic.h stdtime.h syslog.h time.h + +SUBDIRS = +TARGETS = + +@BIND9_MAKE_RULES@ + +installdirs: + $(SHELL) ${top_srcdir}/mkinstalldirs ${DESTDIR}${includedir}/isc + +install:: installdirs + for i in ${HEADERS}; do \ + ${INSTALL_DATA} $(srcdir)/$$i ${DESTDIR}${includedir}/isc || exit 1; \ + done + +uninstall:: + for i in ${HEADERS}; do \ + rm -f ${DESTDIR}${includedir}/isc/$$i || exit 1; \ + done diff --git a/lib/isc/unix/include/isc/align.h b/lib/isc/unix/include/isc/align.h new file mode 100644 index 0000000..7b72e9d --- /dev/null +++ b/lib/isc/unix/include/isc/align.h @@ -0,0 +1,20 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * SPDX-License-Identifier: MPL-2.0 + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, you can obtain one at https://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +#pragma once + +#ifdef HAVE_STDALIGN_H +#include <stdalign.h> +#else /* ifdef HAVE_STDALIGN_H */ +#define alignas(x) __attribute__((__aligned__(x))) +#endif /* ifdef HAVE_STDALIGN_H */ diff --git a/lib/isc/unix/include/isc/dir.h b/lib/isc/unix/include/isc/dir.h new file mode 100644 index 0000000..89d1338 --- /dev/null +++ b/lib/isc/unix/include/isc/dir.h @@ -0,0 +1,75 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * SPDX-License-Identifier: MPL-2.0 + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, you can obtain one at https://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +#ifndef ISC_DIR_H +#define ISC_DIR_H 1 + +/*! \file */ + +#include <dirent.h> + +#include <isc/lang.h> +#include <isc/platform.h> +#include <isc/result.h> + +#include <sys/types.h> /* Required on some systems. */ + +/*% Directory Entry */ +typedef struct isc_direntry { + char name[NAME_MAX]; + unsigned int length; +} isc_direntry_t; + +/*% Directory */ +typedef struct isc_dir { + unsigned int magic; + char dirname[PATH_MAX]; + isc_direntry_t entry; + DIR *handle; +} isc_dir_t; + +ISC_LANG_BEGINDECLS + +void +isc_dir_init(isc_dir_t *dir); + +isc_result_t +isc_dir_open(isc_dir_t *dir, const char *dirname); + +isc_result_t +isc_dir_read(isc_dir_t *dir); + +isc_result_t +isc_dir_reset(isc_dir_t *dir); + +void +isc_dir_close(isc_dir_t *dir); + +isc_result_t +isc_dir_chdir(const char *dirname); + +isc_result_t +isc_dir_chroot(const char *dirname); + +isc_result_t +isc_dir_createunique(char *templet); +/*!< + * Use a templet (such as from isc_file_mktemplate()) to create a uniquely + * named, empty directory. The templet string is modified in place. + * If result == ISC_R_SUCCESS, it is the name of the directory that was + * created. + */ + +ISC_LANG_ENDDECLS + +#endif /* ISC_DIR_H */ diff --git a/lib/isc/unix/include/isc/net.h b/lib/isc/unix/include/isc/net.h new file mode 100644 index 0000000..ead9c7f --- /dev/null +++ b/lib/isc/unix/include/isc/net.h @@ -0,0 +1,310 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * SPDX-License-Identifier: MPL-2.0 + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, you can obtain one at https://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +#ifndef ISC_NET_H +#define ISC_NET_H 1 + +/***** +***** Module Info +*****/ + +/*! \file + * \brief + * Basic Networking Types + * + * This module is responsible for defining the following basic networking + * types: + * + *\li struct in_addr + *\li struct in6_addr + *\li struct in6_pktinfo + *\li struct sockaddr + *\li struct sockaddr_in + *\li struct sockaddr_in6 + *\li struct sockaddr_storage + *\li in_port_t + * + * It ensures that the AF_ and PF_ macros are defined. + * + * It declares ntoh[sl]() and hton[sl](). + * + * It declares inet_ntop(), and inet_pton(). + * + * It ensures that #INADDR_LOOPBACK, #INADDR_ANY, #IN6ADDR_ANY_INIT, + * IN6ADDR_V4MAPPED_INIT, in6addr_any, and in6addr_loopback are available. + * + * It ensures that IN_MULTICAST() is available to check for multicast + * addresses. + * + * MP: + *\li No impact. + * + * Reliability: + *\li No anticipated impact. + * + * Resources: + *\li N/A. + * + * Security: + *\li No anticipated impact. + * + * Standards: + *\li BSD Socket API + *\li RFC2553 + */ + +/*** + *** Imports. + ***/ +#include <inttypes.h> + +#include <isc/lang.h> +#include <isc/platform.h> +#include <isc/types.h> + +#include <arpa/inet.h> /* Contractual promise. */ +#include <net/if.h> +#include <netinet/in.h> /* Contractual promise. */ +#include <sys/socket.h> /* Contractual promise. */ +#include <sys/types.h> + +#ifndef IN6ADDR_LOOPBACK_INIT +#ifdef s6_addr +/*% IPv6 address loopback init */ +#define IN6ADDR_LOOPBACK_INIT \ + { \ + { \ + { \ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 \ + } \ + } \ + } +#else /* ifdef s6_addr */ +#define IN6ADDR_LOOPBACK_INIT \ + { \ + { \ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 \ + } \ + } +#endif /* ifdef s6_addr */ +#endif /* ifndef IN6ADDR_LOOPBACK_INIT */ + +#ifndef IN6ADDR_V4MAPPED_INIT +#ifdef s6_addr +/*% IPv6 v4mapped prefix init */ +#define IN6ADDR_V4MAPPED_INIT \ + { \ + { \ + { \ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xff, 0xff, 0, \ + 0, 0, 0 \ + } \ + } \ + } +#else /* ifdef s6_addr */ +#define IN6ADDR_V4MAPPED_INIT \ + { \ + { \ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xff, 0xff, 0, 0, 0, 0 \ + } \ + } +#endif /* ifdef s6_addr */ +#endif /* ifndef IN6ADDR_V4MAPPED_INIT */ + +#ifndef IN6_IS_ADDR_V4MAPPED +/*% Is IPv6 address V4 mapped? */ +#define IN6_IS_ADDR_V4MAPPED(x) \ + (memcmp((x)->s6_addr, in6addr_any.s6_addr, 10) == 0 && \ + (x)->s6_addr[10] == 0xff && (x)->s6_addr[11] == 0xff) +#endif /* ifndef IN6_IS_ADDR_V4MAPPED */ + +#ifndef IN6_IS_ADDR_V4COMPAT +/*% Is IPv6 address V4 compatible? */ +#define IN6_IS_ADDR_V4COMPAT(x) \ + (memcmp((x)->s6_addr, in6addr_any.s6_addr, 12) == 0 && \ + ((x)->s6_addr[12] != 0 || (x)->s6_addr[13] != 0 || \ + (x)->s6_addr[14] != 0 || \ + ((x)->s6_addr[15] != 0 && (x)->s6_addr[15] != 1))) +#endif /* ifndef IN6_IS_ADDR_V4COMPAT */ + +#ifndef IN6_IS_ADDR_MULTICAST +/*% Is IPv6 address multicast? */ +#define IN6_IS_ADDR_MULTICAST(a) ((a)->s6_addr[0] == 0xff) +#endif /* ifndef IN6_IS_ADDR_MULTICAST */ + +#ifndef IN6_IS_ADDR_LINKLOCAL +/*% Is IPv6 address linklocal? */ +#define IN6_IS_ADDR_LINKLOCAL(a) \ + (((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0x80)) +#endif /* ifndef IN6_IS_ADDR_LINKLOCAL */ + +#ifndef IN6_IS_ADDR_SITELOCAL +/*% is IPv6 address sitelocal? */ +#define IN6_IS_ADDR_SITELOCAL(a) \ + (((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0xc0)) +#endif /* ifndef IN6_IS_ADDR_SITELOCAL */ + +#ifndef IN6_IS_ADDR_LOOPBACK +/*% is IPv6 address loopback? */ +#define IN6_IS_ADDR_LOOPBACK(x) \ + (memcmp((x)->s6_addr, in6addr_loopback.s6_addr, 16) == 0) +#endif /* ifndef IN6_IS_ADDR_LOOPBACK */ + +#ifndef AF_INET6 +/*% IPv6 */ +#define AF_INET6 99 +#endif /* ifndef AF_INET6 */ + +#ifndef PF_INET6 +/*% IPv6 */ +#define PF_INET6 AF_INET6 +#endif /* ifndef PF_INET6 */ + +#ifndef INADDR_ANY +/*% inaddr any */ +#define INADDR_ANY 0x00000000UL +#endif /* ifndef INADDR_ANY */ + +#ifndef INADDR_LOOPBACK +/*% inaddr loopback */ +#define INADDR_LOOPBACK 0x7f000001UL +#endif /* ifndef INADDR_LOOPBACK */ + +#ifndef MSG_TRUNC +/*% + * If this system does not have MSG_TRUNC (as returned from recvmsg()) + * ISC_PLATFORM_RECVOVERFLOW will be defined. This will enable the MSG_TRUNC + * faking code in socket.c. + */ +#define ISC_PLATFORM_RECVOVERFLOW +#endif /* ifndef MSG_TRUNC */ + +/*% IP address. */ +#define ISC__IPADDR(x) ((uint32_t)htonl((uint32_t)(x))) + +/*% Is IP address multicast? */ +#define ISC_IPADDR_ISMULTICAST(i) \ + (((uint32_t)(i)&ISC__IPADDR(0xf0000000)) == ISC__IPADDR(0xe0000000)) + +#define ISC_IPADDR_ISEXPERIMENTAL(i) \ + (((uint32_t)(i)&ISC__IPADDR(0xf0000000)) == ISC__IPADDR(0xf0000000)) + +/*** + *** Functions. + ***/ + +ISC_LANG_BEGINDECLS + +isc_result_t +isc_net_probeipv4(void); +/*%< + * Check if the system's kernel supports IPv4. + * + * Returns: + * + *\li #ISC_R_SUCCESS IPv4 is supported. + *\li #ISC_R_NOTFOUND IPv4 is not supported. + *\li #ISC_R_DISABLED IPv4 is disabled. + *\li #ISC_R_UNEXPECTED + */ + +isc_result_t +isc_net_probeipv6(void); +/*%< + * Check if the system's kernel supports IPv6. + * + * Returns: + * + *\li #ISC_R_SUCCESS IPv6 is supported. + *\li #ISC_R_NOTFOUND IPv6 is not supported. + *\li #ISC_R_DISABLED IPv6 is disabled. + *\li #ISC_R_UNEXPECTED + */ + +isc_result_t +isc_net_probe_ipv6only(void); +/*%< + * Check if the system's kernel supports the IPV6_V6ONLY socket option. + * + * Returns: + * + *\li #ISC_R_SUCCESS the option is supported for both TCP and UDP. + *\li #ISC_R_NOTFOUND IPv6 itself or the option is not supported. + *\li #ISC_R_UNEXPECTED + */ + +isc_result_t +isc_net_probe_ipv6pktinfo(void); +/* + * Check if the system's kernel supports the IPV6_(RECV)PKTINFO socket option + * for UDP sockets. + * + * Returns: + * + * \li #ISC_R_SUCCESS the option is supported. + * \li #ISC_R_NOTFOUND IPv6 itself or the option is not supported. + * \li #ISC_R_UNEXPECTED + */ + +void +isc_net_disableipv4(void); + +void +isc_net_disableipv6(void); + +void +isc_net_enableipv4(void); + +void +isc_net_enableipv6(void); + +isc_result_t +isc_net_probeunix(void); +/* + * Returns whether UNIX domain sockets are supported. + */ + +#define ISC_NET_DSCPRECVV4 0x01 /* Can receive sent DSCP value IPv4 */ +#define ISC_NET_DSCPRECVV6 0x02 /* Can receive sent DSCP value IPv6 */ +#define ISC_NET_DSCPSETV4 0x04 /* Can set DSCP on socket IPv4 */ +#define ISC_NET_DSCPSETV6 0x08 /* Can set DSCP on socket IPv6 */ +#define ISC_NET_DSCPPKTV4 0x10 /* Can set DSCP on per packet IPv4 */ +#define ISC_NET_DSCPPKTV6 0x20 /* Can set DSCP on per packet IPv6 */ +#define ISC_NET_DSCPALL 0x3f /* All valid flags */ + +unsigned int +isc_net_probedscp(void); +/*%< + * Probe the level of DSCP support. + */ + +isc_result_t +isc_net_getudpportrange(int af, in_port_t *low, in_port_t *high); +/*%< + * Returns system's default range of ephemeral UDP ports, if defined. + * If the range is not available or unknown, ISC_NET_PORTRANGELOW and + * ISC_NET_PORTRANGEHIGH will be returned. + * + * Requires: + * + *\li 'low' and 'high' must be non NULL. + * + * Returns: + * + *\li *low and *high will be the ports specifying the low and high ends of + * the range. + */ + +ISC_LANG_ENDDECLS + +#endif /* ISC_NET_H */ diff --git a/lib/isc/unix/include/isc/netdb.h b/lib/isc/unix/include/isc/netdb.h new file mode 100644 index 0000000..dab845a --- /dev/null +++ b/lib/isc/unix/include/isc/netdb.h @@ -0,0 +1,51 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * SPDX-License-Identifier: MPL-2.0 + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, you can obtain one at https://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +#ifndef ISC_NETDB_H +#define ISC_NETDB_H 1 + +/***** +***** Module Info +*****/ + +/*! \file + * \brief + * Portable netdb.h support. + * + * This module is responsible for defining the get<x>by<y> APIs. + * + * MP: + *\li No impact. + * + * Reliability: + *\li No anticipated impact. + * + * Resources: + *\li N/A. + * + * Security: + *\li No anticipated impact. + * + * Standards: + *\li BSD API + */ + +/*** + *** Imports. + ***/ + +#include <netdb.h> + +#include <isc/net.h> + +#endif /* ISC_NETDB_H */ diff --git a/lib/isc/unix/include/isc/offset.h b/lib/isc/unix/include/isc/offset.h new file mode 100644 index 0000000..fa24ae4 --- /dev/null +++ b/lib/isc/unix/include/isc/offset.h @@ -0,0 +1,28 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * SPDX-License-Identifier: MPL-2.0 + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, you can obtain one at https://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +#ifndef ISC_OFFSET_H +#define ISC_OFFSET_H 1 + +/*! \file + * \brief + * File offsets are operating-system dependent. + */ +#include <limits.h> /* Required for CHAR_BIT. */ +#include <stddef.h> /* For Linux Standard Base. */ + +#include <sys/types.h> + +typedef off_t isc_offset_t; + +#endif /* ISC_OFFSET_H */ diff --git a/lib/isc/unix/include/isc/stat.h b/lib/isc/unix/include/isc/stat.h new file mode 100644 index 0000000..6ddddd7 --- /dev/null +++ b/lib/isc/unix/include/isc/stat.h @@ -0,0 +1,47 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * SPDX-License-Identifier: MPL-2.0 + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, you can obtain one at https://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +#ifndef ISC_STAT_H +#define ISC_STAT_H 1 + +/***** +***** Module Info +*****/ + +/* + * Portable <sys/stat.h> support. + * + * This module is responsible for defining S_IS??? macros. + * + * MP: + * No impact. + * + * Reliability: + * No anticipated impact. + * + * Resources: + * N/A. + * + * Security: + * No anticipated impact. + * + */ + +/*** + *** Imports. + ***/ + +#include <sys/stat.h> +#include <sys/types.h> + +#endif /* ISC_STAT_H */ diff --git a/lib/isc/unix/include/isc/stdatomic.h b/lib/isc/unix/include/isc/stdatomic.h new file mode 100644 index 0000000..f071b6a --- /dev/null +++ b/lib/isc/unix/include/isc/stdatomic.h @@ -0,0 +1,224 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * SPDX-License-Identifier: MPL-2.0 + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, you can obtain one at https://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +#pragma once + +#include <inttypes.h> +#include <stdbool.h> +#include <stddef.h> +#if HAVE_UCHAR_H +#include <uchar.h> +#endif /* HAVE_UCHAR_H */ + +#if !defined(__has_feature) +#define __has_feature(x) 0 +#endif /* if !defined(__has_feature) */ + +#if !defined(__has_extension) +#define __has_extension(x) __has_feature(x) +#endif /* if !defined(__has_extension) */ + +#if !defined(__GNUC_PREREQ__) +#if defined(__GNUC__) && defined(__GNUC_MINOR__) +#define __GNUC_PREREQ__(maj, min) \ + ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min)) +#else /* if defined(__GNUC__) && defined(__GNUC_MINOR__) */ +#define __GNUC_PREREQ__(maj, min) 0 +#endif /* if defined(__GNUC__) && defined(__GNUC_MINOR__) */ +#endif /* if !defined(__GNUC_PREREQ__) */ + +#if !defined(__CLANG_ATOMICS) && !defined(__GNUC_ATOMICS) +#if __has_extension(c_atomic) || __has_extension(cxx_atomic) +#define __CLANG_ATOMICS +#elif __GNUC_PREREQ__(4, 7) +#define __GNUC_ATOMICS +#elif !defined(__GNUC__) +#error "isc/stdatomic.h does not support your compiler" +#endif /* if __has_extension(c_atomic) || __has_extension(cxx_atomic) */ +#endif /* if !defined(__CLANG_ATOMICS) && !defined(__GNUC_ATOMICS) */ + +#ifndef __ATOMIC_RELAXED +#define __ATOMIC_RELAXED 0 +#endif /* ifndef __ATOMIC_RELAXED */ +#ifndef __ATOMIC_CONSUME +#define __ATOMIC_CONSUME 1 +#endif /* ifndef __ATOMIC_CONSUME */ +#ifndef __ATOMIC_ACQUIRE +#define __ATOMIC_ACQUIRE 2 +#endif /* ifndef __ATOMIC_ACQUIRE */ +#ifndef __ATOMIC_RELEASE +#define __ATOMIC_RELEASE 3 +#endif /* ifndef __ATOMIC_RELEASE */ +#ifndef __ATOMIC_ACQ_REL +#define __ATOMIC_ACQ_REL 4 +#endif /* ifndef __ATOMIC_ACQ_REL */ +#ifndef __ATOMIC_SEQ_CST +#define __ATOMIC_SEQ_CST 5 +#endif /* ifndef __ATOMIC_SEQ_CST */ + +enum memory_order { + memory_order_relaxed = __ATOMIC_RELAXED, + memory_order_consume = __ATOMIC_CONSUME, + memory_order_acquire = __ATOMIC_ACQUIRE, + memory_order_release = __ATOMIC_RELEASE, + memory_order_acq_rel = __ATOMIC_ACQ_REL, + memory_order_seq_cst = __ATOMIC_SEQ_CST +}; + +typedef enum memory_order memory_order; + +#ifndef HAVE_UCHAR_H +typedef uint_least16_t char16_t; +typedef uint_least32_t char32_t; +#endif /* HAVE_UCHAR_H */ + +typedef bool atomic_bool; +typedef char atomic_char; +typedef signed char atomic_schar; +typedef unsigned char atomic_uchar; +typedef short atomic_short; +typedef unsigned short atomic_ushort; +typedef int atomic_int; +typedef unsigned int atomic_uint; +typedef long atomic_long; +typedef unsigned long atomic_ulong; +typedef long long atomic_llong; +typedef unsigned long long atomic_ullong; +typedef char16_t atomic_char16_t; +typedef char32_t atomic_char32_t; +typedef wchar_t atomic_wchar_t; +typedef int_least8_t atomic_int_least8_t; +typedef uint_least8_t atomic_uint_least8_t; +typedef int_least16_t atomic_int_least16_t; +typedef uint_least16_t atomic_uint_least16_t; +typedef int_least32_t atomic_int_least32_t; +typedef uint_least32_t atomic_uint_least32_t; +typedef int_least64_t atomic_int_least64_t; +typedef uint_least64_t atomic_uint_least64_t; +typedef int_fast8_t atomic_int_fast8_t; +typedef uint_fast8_t atomic_uint_fast8_t; +typedef int_fast16_t atomic_int_fast16_t; +typedef uint_fast16_t atomic_uint_fast16_t; +typedef int_fast32_t atomic_int_fast32_t; +typedef uint_fast32_t atomic_uint_fast32_t; +typedef int_fast64_t atomic_int_fast64_t; +typedef uint_fast64_t atomic_uint_fast64_t; +typedef intptr_t atomic_intptr_t; +typedef uintptr_t atomic_uintptr_t; +typedef size_t atomic_size_t; +typedef ptrdiff_t atomic_ptrdiff_t; +typedef intmax_t atomic_intmax_t; +typedef uintmax_t atomic_uintmax_t; + +#if defined(__CLANG_ATOMICS) /* __c11_atomic builtins */ +#define atomic_init(obj, desired) __c11_atomic_init(obj, desired) +#define atomic_load_explicit(obj, order) __c11_atomic_load(obj, order) +#define atomic_store_explicit(obj, desired, order) \ + __c11_atomic_store(obj, desired, order) +#define atomic_fetch_add_explicit(obj, arg, order) \ + __c11_atomic_fetch_add(obj, arg, order) +#define atomic_fetch_sub_explicit(obj, arg, order) \ + __c11_atomic_fetch_sub(obj, arg, order) +#define atomic_fetch_and_explicit(obj, arg, order) \ + __c11_atomic_fetch_and(obj, arg, order) +#define atomic_fetch_or_explicit(obj, arg, order) \ + __c11_atomic_fetch_or(obj, arg, order) +#define atomic_compare_exchange_strong_explicit(obj, expected, desired, succ, \ + fail) \ + __c11_atomic_compare_exchange_strong_explicit(obj, expected, desired, \ + succ, fail) +#define atomic_compare_exchange_weak_explicit(obj, expected, desired, succ, \ + fail) \ + __c11_atomic_compare_exchange_weak_explicit(obj, expected, desired, \ + succ, fail) +#define atomic_exchange_explicit(obj, desired, order) \ + __c11_atomic_exchange_explicit(obj, expected, order) +#elif defined(__GNUC_ATOMICS) /* __atomic builtins */ +#define atomic_init(obj, desired) (*obj = desired) +#define atomic_load_explicit(obj, order) __atomic_load_n(obj, order) +#define atomic_store_explicit(obj, desired, order) \ + __atomic_store_n(obj, desired, order) +#define atomic_fetch_add_explicit(obj, arg, order) \ + __atomic_fetch_add(obj, arg, order) +#define atomic_fetch_sub_explicit(obj, arg, order) \ + __atomic_fetch_sub(obj, arg, order) +#define atomic_fetch_and_explicit(obj, arg, order) \ + __atomic_fetch_and(obj, arg, order) +#define atomic_fetch_or_explicit(obj, arg, order) \ + __atomic_fetch_or(obj, arg, order) +#define atomic_compare_exchange_strong_explicit(obj, expected, desired, succ, \ + fail) \ + __atomic_compare_exchange_n(obj, expected, desired, 0, succ, fail) +#define atomic_compare_exchange_weak_explicit(obj, expected, desired, succ, \ + fail) \ + __atomic_compare_exchange_n(obj, expected, desired, 1, succ, fail) +#define atomic_exchange_explicit(obj, desired, order) \ + __atomic_exchange_n(obj, desired, order) +#else /* __sync builtins */ +#define atomic_init(obj, desired) (*obj = desired) +#define atomic_load_explicit(obj, order) __sync_fetch_and_add(obj, 0) +#define atomic_store_explicit(obj, desired, order) \ + do { \ + __sync_synchronize(); \ + *obj = desired; \ + __sync_synchronize(); \ + } while (0); +#define atomic_fetch_add_explicit(obj, arg, order) \ + __sync_fetch_and_add(obj, arg) +#define atomic_fetch_sub_explicit(obj, arg, order) \ + __sync_fetch_and_sub(obj, arg, order) +#define atomic_fetch_and_explicit(obj, arg, order) \ + __sync_fetch_and_and(obj, arg, order) +#define atomic_fetch_or_explicit(obj, arg, order) \ + __sync_fetch_and_or(obj, arg, order) +#define atomic_compare_exchange_strong_explicit(obj, expected, desired, succ, \ + fail) \ + ({ \ + __typeof__(obj) __v; \ + _Bool __r; \ + __v = (__typeof__(obj))__sync_val_compare_and_swap( \ + obj, *(expected), desired); \ + __r = ((__typeof__(obj))*(expected) == __v); \ + *(expected) = __v; \ + __r; \ + }) +#define atomic_compare_exchange_weak_explicit(obj, expected, desired, succ, \ + fail) \ + atomic_compare_exchange_strong_explicit(obj, expected, desired, succ, \ + fail) +#define atomic_exchange_explicit(obj, desired, order) \ + __sync_lock_test_and_set(obj, desired) + +#endif /* if defined(__CLANG_ATOMICS) */ + +#define atomic_load(obj) atomic_load_explicit(obj, memory_order_seq_cst) +#define atomic_store(obj, arg) \ + atomic_store_explicit(obj, arg, memory_order_seq_cst) +#define atomic_fetch_add(obj, arg) \ + atomic_fetch_add_explicit(obj, arg, memory_order_seq_cst) +#define atomic_fetch_sub(obj, arg) \ + atomic_fetch_sub_explicit(obj, arg, memory_order_seq_cst) +#define atomic_fetch_and(obj, arg) \ + atomic_fetch_and_explicit(obj, arg, memory_order_seq_cst) +#define atomic_fetch_or(obj, arg) \ + atomic_fetch_or_explicit(obj, arg, memory_order_seq_cst) +#define atomic_compare_exchange_strong(obj, expected, desired) \ + atomic_compare_exchange_strong_explicit(obj, expected, desired, \ + memory_order_seq_cst, \ + memory_order_seq_cst) +#define atomic_compare_exchange_weak(obj, expected, desired) \ + atomic_compare_exchange_weak_explicit(obj, expected, desired, \ + memory_order_seq_cst, \ + memory_order_seq_cst) +#define atomic_exchange(obj, desired) \ + atomic_exchange_explicit(obj, desired, memory_order_seq_cst) diff --git a/lib/isc/unix/include/isc/stdtime.h b/lib/isc/unix/include/isc/stdtime.h new file mode 100644 index 0000000..e38a2c6 --- /dev/null +++ b/lib/isc/unix/include/isc/stdtime.h @@ -0,0 +1,64 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * SPDX-License-Identifier: MPL-2.0 + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, you can obtain one at https://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +#ifndef ISC_STDTIME_H +#define ISC_STDTIME_H 1 + +/*! \file */ + +#include <inttypes.h> +#include <stdlib.h> + +#include <isc/lang.h> + +/*% + * It's public information that 'isc_stdtime_t' is an unsigned integral type. + * Applications that want maximum portability should not assume anything + * about its size. + */ +typedef uint32_t isc_stdtime_t; + +ISC_LANG_BEGINDECLS +/* */ +void +isc_stdtime_get(isc_stdtime_t *t); +/*%< + * Set 't' to the number of seconds since 00:00:00 UTC, January 1, 1970. + * + * Requires: + * + *\li 't' is a valid pointer. + */ + +void +isc_stdtime_tostring(isc_stdtime_t t, char *out, size_t outlen); +/* + * Convert 't' into a null-terminated string of the form + * "Wed Jun 30 21:49:08 1993". Store the string in the 'out' + * buffer. + * + * Requires: + * + * 't' is a valid time. + * 'out' is a valid pointer. + * 'outlen' is at least 26. + */ + +#define isc_stdtime_convert32(t, t32p) (*(t32p) = t) +/* + * Convert the standard time to its 32-bit version. + */ + +ISC_LANG_ENDDECLS + +#endif /* ISC_STDTIME_H */ diff --git a/lib/isc/unix/include/isc/syslog.h b/lib/isc/unix/include/isc/syslog.h new file mode 100644 index 0000000..f46dc1a --- /dev/null +++ b/lib/isc/unix/include/isc/syslog.h @@ -0,0 +1,41 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * SPDX-License-Identifier: MPL-2.0 + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, you can obtain one at https://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +#ifndef ISC_SYSLOG_H +#define ISC_SYSLOG_H 1 + +/*! \file */ + +#include <isc/lang.h> +#include <isc/types.h> + +ISC_LANG_BEGINDECLS + +isc_result_t +isc_syslog_facilityfromstring(const char *str, int *facilityp); +/*%< + * Convert 'str' to the appropriate syslog facility constant. + * + * Requires: + * + *\li 'str' is not NULL + *\li 'facilityp' is not NULL + * + * Returns: + * \li #ISC_R_SUCCESS + * \li #ISC_R_NOTFOUND + */ + +ISC_LANG_ENDDECLS + +#endif /* ISC_SYSLOG_H */ diff --git a/lib/isc/unix/include/isc/time.h b/lib/isc/unix/include/isc/time.h new file mode 100644 index 0000000..ecec64d --- /dev/null +++ b/lib/isc/unix/include/isc/time.h @@ -0,0 +1,452 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * SPDX-License-Identifier: MPL-2.0 + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, you can obtain one at https://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +#ifndef ISC_TIME_H +#define ISC_TIME_H 1 + +/*! \file */ + +#include <inttypes.h> +#include <stdbool.h> + +#include <isc/lang.h> +#include <isc/types.h> + +/*** + *** Intervals + ***/ + +/*! + * \brief + * The contents of this structure are private, and MUST NOT be accessed + * directly by callers. + * + * The contents are exposed only to allow callers to avoid dynamic allocation. + */ +struct isc_interval { + unsigned int seconds; + unsigned int nanoseconds; +}; + +extern const isc_interval_t *const isc_interval_zero; + +/* + * ISC_FORMATHTTPTIMESTAMP_SIZE needs to be 30 in C locale and potentially + * more for other locales to handle longer national abbreviations when + * expanding strftime's %a and %b. + */ +#define ISC_FORMATHTTPTIMESTAMP_SIZE 50 + +ISC_LANG_BEGINDECLS + +void +isc_interval_set(isc_interval_t *i, unsigned int seconds, + unsigned int nanoseconds); +/*%< + * Set 'i' to a value representing an interval of 'seconds' seconds and + * 'nanoseconds' nanoseconds, suitable for use in isc_time_add() and + * isc_time_subtract(). + * + * Requires: + * + *\li 't' is a valid pointer. + *\li nanoseconds < 1000000000. + */ + +bool +isc_interval_iszero(const isc_interval_t *i); +/*%< + * Returns true iff. 'i' is the zero interval. + * + * Requires: + * + *\li 'i' is a valid pointer. + */ + +/*** + *** Absolute Times + ***/ + +/*% + * The contents of this structure are private, and MUST NOT be accessed + * directly by callers. + * + * The contents are exposed only to allow callers to avoid dynamic allocation. + */ + +struct isc_time { + unsigned int seconds; + unsigned int nanoseconds; +}; + +extern const isc_time_t *const isc_time_epoch; + +void +isc_time_set(isc_time_t *t, unsigned int seconds, unsigned int nanoseconds); +/*%< + * Set 't' to a value which represents the given number of seconds and + * nanoseconds since 00:00:00 January 1, 1970, UTC. + * + * Notes: + *\li The Unix version of this call is equivalent to: + *\code + * isc_time_settoepoch(t); + * isc_interval_set(i, seconds, nanoseconds); + * isc_time_add(t, i, t); + *\endcode + * + * Requires: + *\li 't' is a valid pointer. + *\li nanoseconds < 1000000000. + */ + +void +isc_time_settoepoch(isc_time_t *t); +/*%< + * Set 't' to the time of the epoch. + * + * Notes: + *\li The date of the epoch is platform-dependent. + * + * Requires: + * + *\li 't' is a valid pointer. + */ + +bool +isc_time_isepoch(const isc_time_t *t); +/*%< + * Returns true iff. 't' is the epoch ("time zero"). + * + * Requires: + * + *\li 't' is a valid pointer. + */ + +isc_result_t +isc_time_now(isc_time_t *t); +/*%< + * Set 't' to the current absolute time. + * + * Requires: + * + *\li 't' is a valid pointer. + * + * Returns: + * + *\li Success + *\li Unexpected error + * Getting the time from the system failed. + *\li Out of range + * The time from the system is too large to be represented + * in the current definition of isc_time_t. + */ + +isc_result_t +isc_time_now_hires(isc_time_t *t); +/*%< + * Set 't' to the current absolute time. Uses higher resolution clocks + * recommended when microsecond accuracy is required. + * + * Requires: + * + *\li 't' is a valid pointer. + * + * Returns: + * + *\li Success + *\li Unexpected error + * Getting the time from the system failed. + *\li Out of range + * The time from the system is too large to be represented + * in the current definition of isc_time_t. + */ + +isc_result_t +isc_time_nowplusinterval(isc_time_t *t, const isc_interval_t *i); +/*%< + * Set *t to the current absolute time + i. + * + * Note: + *\li This call is equivalent to: + * + *\code + * isc_time_now(t); + * isc_time_add(t, i, t); + *\endcode + * + * Requires: + * + *\li 't' and 'i' are valid pointers. + * + * Returns: + * + *\li Success + *\li Unexpected error + * Getting the time from the system failed. + *\li Out of range + * The interval added to the time from the system is too large to + * be represented in the current definition of isc_time_t. + */ + +int +isc_time_compare(const isc_time_t *t1, const isc_time_t *t2); +/*%< + * Compare the times referenced by 't1' and 't2' + * + * Requires: + * + *\li 't1' and 't2' are valid pointers. + * + * Returns: + * + *\li -1 t1 < t2 (comparing times, not pointers) + *\li 0 t1 = t2 + *\li 1 t1 > t2 + */ + +isc_result_t +isc_time_add(const isc_time_t *t, const isc_interval_t *i, isc_time_t *result); +/*%< + * Add 'i' to 't', storing the result in 'result'. + * + * Requires: + * + *\li 't', 'i', and 'result' are valid pointers. + * + * Returns: + *\li Success + *\li Out of range + * The interval added to the time is too large to + * be represented in the current definition of isc_time_t. + */ + +isc_result_t +isc_time_subtract(const isc_time_t *t, const isc_interval_t *i, + isc_time_t *result); +/*%< + * Subtract 'i' from 't', storing the result in 'result'. + * + * Requires: + * + *\li 't', 'i', and 'result' are valid pointers. + * + * Returns: + *\li Success + *\li Out of range + * The interval is larger than the time since the epoch. + */ + +uint64_t +isc_time_microdiff(const isc_time_t *t1, const isc_time_t *t2); +/*%< + * Find the difference in microseconds between time t1 and time t2. + * t2 is the subtrahend of t1; ie, difference = t1 - t2. + * + * Requires: + * + *\li 't1' and 't2' are valid pointers. + * + * Returns: + *\li The difference of t1 - t2, or 0 if t1 <= t2. + */ + +uint32_t +isc_time_seconds(const isc_time_t *t); +/*%< + * Return the number of seconds since the epoch stored in a time structure. + * + * Requires: + * + *\li 't' is a valid pointer. + */ + +isc_result_t +isc_time_secondsastimet(const isc_time_t *t, time_t *secondsp); +/*%< + * Ensure the number of seconds in an isc_time_t is representable by a time_t. + * + * Notes: + *\li The number of seconds stored in an isc_time_t might be larger + * than the number of seconds a time_t is able to handle. Since + * time_t is mostly opaque according to the ANSI/ISO standard + * (essentially, all you can be sure of is that it is an arithmetic type, + * not even necessarily integral), it can be tricky to ensure that + * the isc_time_t is in the range a time_t can handle. Use this + * function in place of isc_time_seconds() any time you need to set a + * time_t from an isc_time_t. + * + * Requires: + *\li 't' is a valid pointer. + * + * Returns: + *\li Success + *\li Out of range + */ + +uint32_t +isc_time_nanoseconds(const isc_time_t *t); +/*%< + * Return the number of nanoseconds stored in a time structure. + * + * Notes: + *\li This is the number of nanoseconds in excess of the number + * of seconds since the epoch; it will always be less than one + * full second. + * + * Requires: + *\li 't' is a valid pointer. + * + * Ensures: + *\li The returned value is less than 1*10^9. + */ + +void +isc_time_formattimestamp(const isc_time_t *t, char *buf, unsigned int len); +/*%< + * Format the time 't' into the buffer 'buf' of length 'len', + * using a format like "30-Aug-2000 04:06:47.997" and the local time zone. + * If the text does not fit in the buffer, the result is indeterminate, + * but is always guaranteed to be null terminated. + * + * Requires: + *\li 'len' > 0 + *\li 'buf' points to an array of at least len chars + * + */ + +void +isc_time_formathttptimestamp(const isc_time_t *t, char *buf, unsigned int len); +/*%< + * Format the time 't' into the buffer 'buf' of length 'len', + * using a format like "Mon, 30 Aug 2000 04:06:47 GMT" + * If the text does not fit in the buffer, the result is indeterminate, + * but is always guaranteed to be null terminated. + * + * Requires: + *\li 'len' > 0 + *\li 'buf' points to an array of at least len chars + * + */ + +isc_result_t +isc_time_parsehttptimestamp(char *input, isc_time_t *t); +/*%< + * Parse the time in 'input' into the isc_time_t pointed to by 't', + * expecting a format like "Mon, 30 Aug 2000 04:06:47 GMT" + * + * Requires: + *\li 'buf' and 't' are not NULL. + */ + +void +isc_time_formatISO8601L(const isc_time_t *t, char *buf, unsigned int len); +/*%< + * Format the time 't' into the buffer 'buf' of length 'len', + * using the ISO8601 format: "yyyy-mm-ddThh:mm:ss" + * If the text does not fit in the buffer, the result is indeterminate, + * but is always guaranteed to be null terminated. + * + * Requires: + *\li 'len' > 0 + *\li 'buf' points to an array of at least len chars + * + */ + +void +isc_time_formatISO8601Lms(const isc_time_t *t, char *buf, unsigned int len); +/*%< + * Format the time 't' into the buffer 'buf' of length 'len', + * using the ISO8601 format: "yyyy-mm-ddThh:mm:ss.sss" + * If the text does not fit in the buffer, the result is indeterminate, + * but is always guaranteed to be null terminated. + * + * Requires: + *\li 'len' > 0 + *\li 'buf' points to an array of at least len chars + * + */ + +void +isc_time_formatISO8601Lus(const isc_time_t *t, char *buf, unsigned int len); +/*%< + * Format the time 't' into the buffer 'buf' of length 'len', + * using the ISO8601 format: "yyyy-mm-ddThh:mm:ss.ssssss" + * If the text does not fit in the buffer, the result is indeterminate, + * but is always guaranteed to be null terminated. + * + * Requires: + *\li 'len' > 0 + *\li 'buf' points to an array of at least len chars + * + */ + +void +isc_time_formatISO8601(const isc_time_t *t, char *buf, unsigned int len); +/*%< + * Format the time 't' into the buffer 'buf' of length 'len', + * using the ISO8601 format: "yyyy-mm-ddThh:mm:ssZ" + * If the text does not fit in the buffer, the result is indeterminate, + * but is always guaranteed to be null terminated. + * + * Requires: + *\li 'len' > 0 + *\li 'buf' points to an array of at least len chars + * + */ + +void +isc_time_formatISO8601ms(const isc_time_t *t, char *buf, unsigned int len); +/*%< + * Format the time 't' into the buffer 'buf' of length 'len', + * using the ISO8601 format: "yyyy-mm-ddThh:mm:ss.sssZ" + * If the text does not fit in the buffer, the result is indeterminate, + * but is always guaranteed to be null terminated. + * + * Requires: + *\li 'len' > 0 + *\li 'buf' points to an array of at least len chars + * + */ + +void +isc_time_formatISO8601us(const isc_time_t *t, char *buf, unsigned int len); +/*%< + * Format the time 't' into the buffer 'buf' of length 'len', + * using the ISO8601 format: "yyyy-mm-ddThh:mm:ss.ssssssZ" + * If the text does not fit in the buffer, the result is indeterminate, + * but is always guaranteed to be null terminated. + * + * Requires: + *\li 'len' > 0 + *\li 'buf' points to an array of at least len chars + * + */ + +void +isc_time_formatshorttimestamp(const isc_time_t *t, char *buf, unsigned int len); +/*%< + * Format the time 't' into the buffer 'buf' of length 'len', + * using the format "yyyymmddhhmmsssss" useful for file timestamping. + * If the text does not fit in the buffer, the result is indeterminate, + * but is always guaranteed to be null terminated. + * + * Requires: + *\li 'len' > 0 + *\li 'buf' points to an array of at least len chars + * + */ + +ISC_LANG_ENDDECLS + +#endif /* ISC_TIME_H */ |