430 lines
12 KiB
C
430 lines
12 KiB
C
/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2013, 2014.
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This file is part of the Sortix C Library.
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The Sortix C Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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The Sortix C Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
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unistd.h
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The <unistd.h> header defines miscellaneous symbolic constants and types,
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and declares miscellaneous functions.
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*******************************************************************************/
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/* TODO: POSIX-1.2008 compliance is only partial */
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#ifndef _UNISTD_H
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#define _UNISTD_H 1
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#include <sys/cdefs.h>
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#include <sys/__/types.h>
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#include <__/stdint.h>
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#if defined(_SORTIX_SOURCE)
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#include <stdarg.h>
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#include <stdint.h>
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#include <sortix/fork.h>
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__BEGIN_DECLS
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#ifndef __time_t_defined
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#define __time_t_defined
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typedef __time_t time_t;
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#endif
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__END_DECLS
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#include <sortix/timespec.h>
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#include <ioleast.h>
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#endif
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#include <sortix/seek.h>
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#include <sortix/unistd.h>
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#define _SORTIX_ALWAYS_SBRK
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__BEGIN_DECLS
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/* Currently just say we support the newest POSIX. */
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/* TODO: Support the newest POSIX. */
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#define _POSIX_VERSION 200809L
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#define _POSIX2_VERSION 200809L
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/* Currently just say we support the newest X/Open */
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/* TODO: Support the newest X/Open */
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#define _XOPEN_VERSION 700
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/* TODO: _POSIX_*, _POSIX2_*, _XOPEN_* is missing here. */
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/* TODO: _POSIX_*, _POSIX2_* is missing here. */
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#ifndef NULL
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#define __need_NULL
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#include <stddef.h>
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#endif
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#define _CS_PATH 0
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#define _CS_POSIX_V7_ILP32_OFF32_CFLAGS 1
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#define _CS_POSIX_V7_ILP32_OFF32_LDFLAGS 2
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#define _CS_POSIX_V7_ILP32_OFF32_LIBS 3
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#define _CS_POSIX_V7_ILP32_OFFBIG_CFLAGS 4
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#define _CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS 5
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#define _CS_POSIX_V7_ILP32_OFFBIG_LIBS 6
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#define _CS_POSIX_V7_LP64_OFF64_CFLAGS 7
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#define _CS_POSIX_V7_LP64_OFF64_LDFLAGS 8
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#define _CS_POSIX_V7_LP64_OFF64_LIBS 9
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#define _CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS 10
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#define _CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS 11
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#define _CS_POSIX_V7_LPBIG_OFFBIG_LIBS 12
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#define _CS_POSIX_V7_THREADS_CFLAGS 13
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#define _CS_POSIX_V7_THREADS_LDFLAGS 14
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#define _CS_POSIX_V7_WIDTH_RESTRICTED_ENVS 15
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#define _CS_V7_ENV 16
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#define _CS_POSIX_V6_ILP32_OFF32_CFLAGS 17 /* obsolescent */
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#define _CS_POSIX_V6_ILP32_OFF32_LDFLAGS 18 /* obsolescent */
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#define _CS_POSIX_V6_ILP32_OFF32_LIBS 19 /* obsolescent */
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#define _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS 20 /* obsolescent */
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#define _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS 21 /* obsolescent */
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#define _CS_POSIX_V6_ILP32_OFFBIG_LIBS 22 /* obsolescent */
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#define _CS_POSIX_V6_LP64_OFF64_CFLAGS 23 /* obsolescent */
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#define _CS_POSIX_V6_LP64_OFF64_LDFLAGS 24 /* obsolescent */
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#define _CS_POSIX_V6_LP64_OFF64_LIBS 25 /* obsolescent */
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#define _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS 26 /* obsolescent */
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#define _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS 27 /* obsolescent */
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#define _CS_POSIX_V6_LPBIG_OFFBIG_LIBS 28 /* obsolescent */
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#define _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS 29 /* obsolescent */
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#define _CS_V6_ENV 30 /* obsolescent */
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/* TODO: F_* is missing here. */
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#define _PC_2_SYMLINKS 1
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#define _PC_ALLOC_SIZE_MIN 2
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#define _PC_ASYNC_IO 3
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#define _PC_CHOWN_RESTRICTED 4
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#define _PC_FILESIZEBITS 5
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#define _PC_LINK_MAX 6
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#define _PC_MAX_CANON 7
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#define _PC_MAX_INPUT 8
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#define _PC_NAME_MAX 9
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#define _PC_NO_TRUNC 10
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#define _PC_PATH_MAX 11
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#define _PC_PIPE_BUF 12
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#define _PC_PRIO_IO 13
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#define _PC_REC_INCR_XFER_SIZE 14
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#define _PC_REC_MAX_XFER_SIZE 15
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#define _PC_REC_MIN_XFER_SIZE 16
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#define _PC_REC_XFER_ALIGN 17
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#define _PC_SYMLINK_MAX 18
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#define _PC_SYNC_IO 19
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#define _PC_TIMESTAMP_RESOLUTION 20
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#define _PC_VDISABLE 21
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#define _SC_AIO_LISTIO_MAX 0
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#define _SC_AIO_MAX 1
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#define _SC_AIO_PRIO_DELTA_MAX 2
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#define _SC_ARG_MAX 3
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#define _SC_ATEXIT_MAX 4
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#define _SC_BC_BASE_MAX 5
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#define _SC_BC_DIM_MAX 6
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#define _SC_BC_SCALE_MAX 7
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#define _SC_BC_STRING_MAX 8
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#define _SC_CHILD_MAX 9
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#define _SC_CLK_TCK 10
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#define _SC_COLL_WEIGHTS_MAX 11
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#define _SC_DELAYTIMER_MAX 12
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#define _SC_EXPR_NEST_MAX 13
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#define _SC_HOST_NAME_MAX 14
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#define _SC_IOV_MAX 15
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#define _SC_LINE_MAX 16
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#define _SC_LOGIN_NAME_MAX 17
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#define _SC_NGROUPS_MAX 18
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#define _SC_GETGR_R_SIZE_MAX 19
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#define _SC_GETPW_R_SIZE_MAX 20
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#define _SC_MQ_OPEN_MAX 21
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#define _SC_MQ_PRIO_MAX 22
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#define _SC_OPEN_MAX 23
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#define _SC_ADVISORY_INFO 24
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#define _SC_BARRIERS 25
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#define _SC_ASYNCHRONOUS_IO 26
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#define _SC_CLOCK_SELECTION 27
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#define _SC_CPUTIME 28
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#define _SC_FSYNC 29
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#define _SC_IPV6 30
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#define _SC_JOB_CONTROL 31
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#define _SC_MAPPED_FILES 32
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#define _SC_MEMLOCK 33
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#define _SC_MEMLOCK_RANGE 34
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#define _SC_MEMORY_PROTECTION 35
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#define _SC_MESSAGE_PASSING 36
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#define _SC_MONOTONIC_CLOCK 37
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#define _SC_PRIORITIZED_IO 38
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#define _SC_PRIORITY_SCHEDULING 39
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#define _SC_RAW_SOCKETS 40
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#define _SC_READER_WRITER_LOCKS 41
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#define _SC_REALTIME_SIGNALS 42
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#define _SC_REGEXP 43
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#define _SC_SAVED_IDS 44
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#define _SC_SEMAPHORES 45
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#define _SC_SHARED_MEMORY_OBJECTS 46
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#define _SC_SHELL 47
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#define _SC_SPAWN 48
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#define _SC_SPIN_LOCKS 49
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#define _SC_SPORADIC_SERVER 50
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#define _SC_SS_REPL_MAX 51
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#define _SC_SYNCHRONIZED_IO 52
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#define _SC_THREAD_ATTR_STACKADDR 53
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#define _SC_THREAD_ATTR_STACKSIZE 54
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#define _SC_THREAD_CPUTIME 55
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#define _SC_THREAD_PRIO_INHERIT 56
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#define _SC_THREAD_PRIO_PROTECT 57
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#define _SC_THREAD_PRIORITY_SCHEDULING 58
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#define _SC_THREAD_PROCESS_SHARED 59
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#define _SC_THREAD_ROBUST_PRIO_INHERIT 60
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#define _SC_THREAD_ROBUST_PRIO_PROTECT 61
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#define _SC_THREAD_SAFE_FUNCTIONS 62
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#define _SC_THREAD_SPORADIC_SERVER 63
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#define _SC_THREADS 64
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#define _SC_TIMEOUTS 65
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#define _SC_TIMERS 66
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#define _SC_TRACE 67
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#define _SC_TRACE_EVENT_FILTER 68
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#define _SC_TRACE_EVENT_NAME_MAX 69
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#define _SC_TRACE_INHERIT 70
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#define _SC_TRACE_LOG 71
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#define _SC_TRACE_NAME_MAX 72
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#define _SC_TRACE_SYS_MAX 73
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#define _SC_TRACE_USER_EVENT_MAX 74
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#define _SC_TYPED_MEMORY_OBJECTS 75
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#define _SC_VERSION 76
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#define _SC_V7_ILP32_OFF32 77
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#define _SC_V7_ILP32_OFFBIG 78
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#define _SC_V7_LP64_OFF64 79
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#define _SC_V7_LPBIG_OFFBIG 80
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#define _SC_V6_ILP32_OFF32 81 /* obsolescent */
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#define _SC_V6_ILP32_OFFBIG 82 /* obsolescent */
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#define _SC_V6_LP64_OFF64 83 /* obsolescent */
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#define _SC_V6_LPBIG_OFFBIG 84 /* obsolescent */
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#define _SC_2_C_BIND 85
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#define _SC_2_C_DEV 86
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#define _SC_2_CHAR_TERM 87
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#define _SC_2_FORT_DEV 88
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#define _SC_2_FORT_RUN 89
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#define _SC_2_LOCALEDEF 90
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#define _SC_2_PBS 91
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#define _SC_2_PBS_ACCOUNTING 92
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#define _SC_2_PBS_CHECKPOINT 93
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#define _SC_2_PBS_LOCATE 94
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#define _SC_2_PBS_MESSAGE 95
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#define _SC_2_PBS_TRACK 96
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#define _SC_2_SW_DEV 97
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#define _SC_2_UPE 98
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#define _SC_2_VERSION 99
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#define _SC_PAGE_SIZE 100
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#define _SC_PAGESIZE 111
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#define _SC_THREAD_DESTRUCTOR_ITERATIONS 112
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#define _SC_THREAD_KEYS_MAX 113
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#define _SC_THREAD_STACK_MIN 114
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#define _SC_THREAD_THREADS_MAX 115
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#define _SC_RE_DUP_MAX 116
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#define _SC_RTSIG_MAX 117
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#define _SC_SEM_NSEMS_MAX 118
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#define _SC_SEM_VALUE_MAX 119
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#define _SC_SIGQUEUE_MAX 120
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#define _SC_STREAM_MAX 121
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#define _SC_SYMLOOP_MAX 122
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#define _SC_TIMER_MAX 123
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#define _SC_TTY_NAME_MAX 124
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#define _SC_TZNAME_MAX 125
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#define _SC_XOPEN_CRYPT 126
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#define _SC_XOPEN_ENH_I18N 127
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#define _SC_XOPEN_REALTIME 128
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#define _SC_XOPEN_REALTIME_THREADS 129
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#define _SC_XOPEN_SHM 130
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#define _SC_XOPEN_STREAMS 131
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#define _SC_XOPEN_UNIX 132
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#define _SC_XOPEN_UUCP 133
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#define _SC_XOPEN_VERSION 134
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#define STDIN_FILENO 0
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#define STDOUT_FILENO 1
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#define STDERR_FILENO 2
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/* TODO: _POSIX_VDISABLE is missing here. */
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#ifndef __size_t_defined
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#define __size_t_defined
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#define __need_size_t
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#include <stddef.h>
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#endif
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#ifndef __ssize_t_defined
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#define __ssize_t_defined
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typedef __ssize_t ssize_t;
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#endif
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#ifndef __uid_t_defined
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#define __uid_t_defined
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typedef __uid_t uid_t;
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#endif
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#ifndef __gid_t_defined
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#define __gid_t_defined
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typedef __gid_t gid_t;
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#endif
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#ifndef __off_t_defined
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#define __off_t_defined
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typedef __off_t off_t;
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#endif
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#ifndef __pid_t_defined
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#define __pid_t_defined
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typedef __pid_t pid_t;
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#endif
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#ifndef __useconds_t_defined
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#define __useconds_t_defined
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typedef __useconds_t useconds_t;
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#endif
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#if defined(_WANT_ENVIRON)
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extern char** environ;
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#endif
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/* TODO: These are not implemented in sortix libc yet. */
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#if 0
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char* crypt(const char*, const char*);
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char* ctermid(char*);
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void encrypt(char [64], int);
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int fdatasync(int);
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int fexecve(int, char* const [], char* const []);
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long fpathconf(int, int);
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int getgroups(int, gid_t []);
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long gethostid(void);
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pid_t getpgrp(void);
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pid_t getsid(pid_t);
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int lockf(int, int, off_t);
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int nice(int);
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int pause(void);
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int setregid(gid_t, gid_t);
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int setreuid(uid_t, uid_t);
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pid_t setsid(void);
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void swab(const void* __restrict, void* __restrict, ssize_t);
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void sync(void);
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#endif
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int access(const char*, int);
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unsigned alarm(unsigned);
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int chdir(const char*);
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int chown(const char*, uid_t, gid_t);
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int chroot(const char*);
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int close(int);
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size_t confstr(int, char*, size_t);
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int dup2(int, int);
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int dup3(int, int, int);
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int dup(int);
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void _exit(int) __attribute__ ((noreturn));
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int execl(const char*, const char*, ...);
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int execle(const char*, const char*, ...);
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int execlp(const char*, const char*, ...);
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int execv(const char*, char* const []);
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int execve(const char*, char* const [], char* const []);
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int execvp(const char*, char* const []);
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pid_t fork(void);
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int faccessat(int, const char*, int, int);
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int fchdir(int);
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int fchdirat(int, const char*);
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int fchown(int, uid_t, gid_t);
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int fchownat(int, const char*, uid_t, gid_t, int);
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int fchroot(int);
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int fchrootat(int, const char*);
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int fsync(int);
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int ftruncate(int, off_t);
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char* getcwd(char*, size_t);
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char* get_current_dir_name(void);
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gid_t getegid(void);
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uid_t geteuid(void);
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int gethostname(char*, size_t);
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char* getlogin(void);
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int getlogin_r(char*, size_t);
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pid_t getpgid(pid_t);
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pid_t getpid(void);
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pid_t getppid(void);
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uid_t getuid(void);
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gid_t getgid(void);
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int isatty(int);
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int lchown(const char*, uid_t, gid_t);
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int link(const char*, const char*);
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int linkat(int, const char*, int, const char*, int);
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off_t lseek(int, off_t, int);
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long pathconf(const char*, int);
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int pipe(int [2]);
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int pipe2(int [2], int);
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ssize_t pread(int, void*, size_t, off_t);
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ssize_t pwrite(int, const void*, size_t, off_t);
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ssize_t readlink(const char* __restrict, char* __restrict, size_t);
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ssize_t readlinkat(int, const char* __restrict, char* __restrict, size_t);
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ssize_t read(int, void*, size_t);
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int rmdir(const char*);
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int setegid(gid_t);
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int seteuid(uid_t);
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int setgid(gid_t);
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int setpgid(pid_t, pid_t);
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int setuid(uid_t);
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unsigned sleep(unsigned);
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int symlink(const char*, const char*);
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int symlinkat(const char*, int, const char*);
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long sysconf(int);
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pid_t tcgetpgrp(int);
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int tcsetpgrp(int, pid_t);
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int truncate(const char*, off_t);
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int truncateat(int dirfd, const char*, off_t);
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char* ttyname(int);
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int ttyname_r(int, char*, size_t);
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int usleep(useconds_t useconds);
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int unlinkat(int, const char*, int);
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int unlink(const char*);
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ssize_t write(int, const void*, size_t);
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#if defined(_SORTIX_SOURCE)
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int alarmns(const struct timespec* delay, struct timespec* odelay);
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int execvpe(const char*, char* const [], char* const []);
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size_t getpagesize(void);
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int memstat(size_t* memused, size_t* memtotal);
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int mkpartition(int fd, off_t start, off_t length);
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pid_t sfork(int flags);
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pid_t tfork(int flags, tforkregs_t* regs);
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size_t writeall(int fd, const void* buf, size_t count);
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size_t writeleast(int fd, const void* buf, size_t least, size_t max);
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#endif
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#if defined(_SORTIX_SOURCE) || defined(_SORTIX_ALWAYS_SBRK)
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void* sbrk(__intptr_t increment);
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#endif
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/* For compatibility with POSIX, declare getopt(3) here. */
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#if !defined(_SORTIX_SOURCE)
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/* These declarations are repeated in <getopt.h>. */
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#ifndef __getopt_unistd_shared_declared
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#define __getopt_unistd_shared_declared
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extern char* optarg;
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extern int opterr;
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extern int optind;
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extern int optopt;
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int getopt(int, char* const*, const char*);
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#endif
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#endif
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__END_DECLS
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#endif
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