324 lines
9.6 KiB
C
324 lines
9.6 KiB
C
/*
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* Copyright 2004-2015 Haiku, Inc. All Rights Reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _UNISTD_H_
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#define _UNISTD_H_
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#include <null.h>
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#include <stdint.h>
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#include <sys/types.h>
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/* access modes */
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#define R_OK 4
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#define W_OK 2
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#define X_OK 1
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#define F_OK 0
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/* standard file descriptors */
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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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/* function arguments needed by lockf() */
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#define F_ULOCK 0 /* unlock locked sections */
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#define F_LOCK 1 /* lock a section for exclusive use */
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#define F_TLOCK 2 /* test and lock a section for exclusive use */
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#define F_TEST 3 /* test a section for locks by other processes */
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/* POSIX version support */
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#define _POSIX_VERSION (199009L) /* TODO: Update! */
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#define _POSIX_CHOWN_RESTRICTED 1
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#define _POSIX_JOB_CONTROL 1
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#define _POSIX_NO_TRUNC 0
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#define _POSIX_SAVED_IDS 1
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#define _POSIX_VDISABLE ((unsigned char)-2)
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/* TODO: Check this! */
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/* TODO: Update these to the current POSIX version! Ideally after actually
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supporting the features. */
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#define _POSIX_BARRIERS (200112L)
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#define _POSIX_SEMAPHORES (200112L)
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#define _POSIX_THREADS (200112L)
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#define _POSIX_MAPPED_FILES (200809L)
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#define _POSIX_THREAD_PROCESS_SHARED (200809L)
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#define _POSIX_THREAD_ATTR_STACKADDR (200809L)
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#define _POSIX_THREAD_ATTR_STACKSIZE (200809L)
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#define _POSIX_THREAD_PRIORITY_SCHEDULING (-1) /* currently unsupported */
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#define _POSIX_REALTIME_SIGNALS (200809L)
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#define _POSIX_MEMORY_PROTECTION (200809L)
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#define _POSIX_MONOTONIC_CLOCK (200809L)
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#define _POSIX_TIMERS (200809L)
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#define _POSIX_CPUTIME (200809L)
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#define _POSIX_THREAD_CPUTIME (200809L)
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/* pathconf() constants */
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/* BeOS supported values, do not touch */
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#define _PC_CHOWN_RESTRICTED 1
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#define _PC_MAX_CANON 2
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#define _PC_MAX_INPUT 3
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#define _PC_NAME_MAX 4
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#define _PC_NO_TRUNC 5
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#define _PC_PATH_MAX 6
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#define _PC_PIPE_BUF 7
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#define _PC_VDISABLE 8
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#define _PC_LINK_MAX 25
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/* new values */
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#define _PC_SYNC_IO 26
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#define _PC_ASYNC_IO 27
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#define _PC_PRIO_IO 28
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#define _PC_SOCK_MAXBUF 29
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#define _PC_FILESIZEBITS 30
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#define _PC_REC_INCR_XFER_SIZE 31
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#define _PC_REC_MAX_XFER_SIZE 32
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#define _PC_REC_MIN_XFER_SIZE 33
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#define _PC_REC_XFER_ALIGN 34
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#define _PC_ALLOC_SIZE_MIN 35
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#define _PC_SYMLINK_MAX 36
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#define _PC_2_SYMLINKS 37
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#define _PC_XATTR_EXISTS 38
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#define _PC_XATTR_ENABLED 39
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/* sysconf() constants */
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/* BeOS supported values, do not touch */
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#define _SC_ARG_MAX 15
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#define _SC_CHILD_MAX 16
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#define _SC_CLK_TCK 17
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#define _SC_JOB_CONTROL 18
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#define _SC_NGROUPS_MAX 19
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#define _SC_OPEN_MAX 20
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#define _SC_SAVED_IDS 21
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#define _SC_STREAM_MAX 22
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#define _SC_TZNAME_MAX 23
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#define _SC_VERSION 24
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/* new values */
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#define _SC_GETGR_R_SIZE_MAX 25
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#define _SC_GETPW_R_SIZE_MAX 26
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#define _SC_PAGE_SIZE 27
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#define _SC_PAGESIZE _SC_PAGE_SIZE
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#define _SC_SEM_NSEMS_MAX 28
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#define _SC_SEM_VALUE_MAX 29
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#define _SC_SEMAPHORES 30
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#define _SC_THREADS 31
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/* TODO: check */
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#define _SC_IOV_MAX 32
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#define _SC_UIO_MAXIOV _SC_IOV_MAX
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#define _SC_NPROCESSORS_CONF 34
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#define _SC_NPROCESSORS_ONLN 35
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#define _SC_ATEXIT_MAX 37
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#define _SC_PASS_MAX 39
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#define _SC_PHYS_PAGES 40
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#define _SC_AVPHYS_PAGES 41
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#define _SC_PIPE 42
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#define _SC_SELECT 43
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#define _SC_POLL 44
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#define _SC_MAPPED_FILES 45
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#define _SC_THREAD_PROCESS_SHARED 46
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#define _SC_THREAD_STACK_MIN 47
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#define _SC_THREAD_ATTR_STACKADDR 48
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#define _SC_THREAD_ATTR_STACKSIZE 49
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#define _SC_THREAD_PRIORITY_SCHEDULING 50
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#define _SC_REALTIME_SIGNALS 51
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#define _SC_MEMORY_PROTECTION 52
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#define _SC_SIGQUEUE_MAX 53
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#define _SC_RTSIG_MAX 54
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#define _SC_MONOTONIC_CLOCK 55
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#define _SC_DELAYTIMER_MAX 56
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#define _SC_TIMER_MAX 57
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#define _SC_TIMERS 58
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#define _SC_CPUTIME 59
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#define _SC_THREAD_CPUTIME 60
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#define _SC_HOST_NAME_MAX 61
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#define _SC_REGEXP 62
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#define _SC_SYMLOOP_MAX 63
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#define _SC_SHELL 64
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#define _SC_TTY_NAME_MAX 65
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/* confstr() constants */
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#define _CS_PATH 1
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/* lseek() constants */
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#ifndef SEEK_SET
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# define SEEK_SET 0
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#endif
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#ifndef SEEK_CUR
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# define SEEK_CUR 1
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#endif
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#ifndef SEEK_END
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# define SEEK_END 2
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#endif
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#ifndef SEEK_DATA
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# define SEEK_DATA 3
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#endif
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#ifndef SEEK_HOLE
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# define SEEK_HOLE 4
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* file functions */
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extern int access(const char *path, int accessMode);
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extern int faccessat(int fd, const char *path, int accessMode, int flag);
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extern int chdir(const char *path);
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extern int fchdir(int fd);
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extern char *getcwd(char *buffer, size_t size);
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extern int pipe(int fildes[2]);
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extern int dup(int fd);
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extern int dup2(int fd1, int fd2);
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extern int close(int fd);
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extern int link(const char *toPath, const char *path);
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extern int linkat(int toFD, const char *toPath, int pathFD,
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const char *path, int flag);
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extern int unlink(const char *name);
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extern int unlinkat(int fd, const char *path, int flag);
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extern int rmdir(const char *path);
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extern ssize_t readlink(const char *path, char *buffer, size_t bufferSize);
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extern ssize_t readlinkat(int fd, const char *path, char *buffer,
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size_t bufferSize);
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extern int symlink(const char *toPath, const char *symlinkPath);
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extern int symlinkat(const char *toPath, int fd, const char *symlinkPath);
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extern int ftruncate(int fd, off_t newSize);
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extern int truncate(const char *path, off_t newSize);
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struct ioctl_args {
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void* argument;
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size_t size;
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};
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int __ioctl(int fd, ulong cmd, struct ioctl_args args);
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#ifndef __cplusplus
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extern int ioctl(int fd, unsigned long op, ...);
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#ifndef _KERNEL_MODE
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#define ioctl(a, b, c...) __ioctl(a, b, (struct ioctl_args){ c })
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#endif
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#else
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inline int
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ioctl(int fd, unsigned long op, void* argument = NULL, size_t size = 0)
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{
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return __ioctl(fd, op, (struct ioctl_args){ argument, size });
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}
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#endif
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extern ssize_t read(int fd, void *buffer, size_t count);
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extern ssize_t read_pos(int fd, off_t pos, void *buffer, size_t count);
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extern ssize_t pread(int fd, void *buffer, size_t count, off_t pos);
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extern ssize_t write(int fd, const void *buffer, size_t count);
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extern ssize_t write_pos(int fd, off_t pos, const void *buffer,size_t count);
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extern ssize_t pwrite(int fd, const void *buffer, size_t count, off_t pos);
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extern off_t lseek(int fd, off_t offset, int whence);
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extern void sync(void);
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extern int fsync(int fd);
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extern int chown(const char *path, uid_t owner, gid_t group);
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extern int fchown(int fd, uid_t owner, gid_t group);
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extern int lchown(const char *path, uid_t owner, gid_t group);
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extern int fchownat(int fd, const char *path, uid_t owner, gid_t group,
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int flag);
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extern int getpagesize(void);
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extern int getdtablesize(void);
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extern long sysconf(int name);
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extern long fpathconf(int fd, int name);
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extern long pathconf(const char *path, int name);
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extern size_t confstr(int name, char *buf, size_t len);
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extern int lockf(int fd, int function, off_t size);
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/* process functions */
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extern pid_t fork(void);
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extern pid_t vfork(void);
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extern int execve(const char *path, char * const argv[],
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char *const environment[]);
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extern int execl(const char *path, const char *arg, ...);
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extern int execv(const char *path, char *const argv[]);
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extern int execlp(const char *file, const char *arg, ...);
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extern int execle(const char *path, const char *arg , ... /*, char **envp */);
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extern int execvp(const char *file, char *const argv[]);
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extern int execvpe(const char *file, char *const argv[],
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char *const environment[]);
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extern void _exit(int status) __attribute__ ((noreturn));
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extern pid_t tcgetpgrp(int fd);
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extern int tcsetpgrp(int fd, pid_t pgrpid);
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extern int brk(void *addr);
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extern void *sbrk(intptr_t increment);
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extern unsigned int alarm(unsigned int seconds);
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extern useconds_t ualarm(useconds_t microSeconds, useconds_t interval);
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extern unsigned int sleep(unsigned int seconds);
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extern int usleep(unsigned int microSeconds);
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extern int pause(void);
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/* process */
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extern pid_t getpid(void);
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extern pid_t getpgrp(void);
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extern pid_t getppid(void);
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extern pid_t getsid(pid_t pid);
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extern pid_t getpgid(pid_t pid);
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extern pid_t setsid(void);
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extern int setpgid(pid_t pid, pid_t pgid);
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extern pid_t setpgrp(void);
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extern int chroot(const char *path);
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extern int nice(int incr);
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/* access permissions */
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extern gid_t getegid(void);
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extern uid_t geteuid(void);
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extern gid_t getgid(void);
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extern uid_t getuid(void);
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extern int setgid(gid_t gid);
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extern int setuid(uid_t uid);
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extern int setegid(gid_t gid);
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extern int seteuid(uid_t uid);
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extern int setregid(gid_t rgid, gid_t egid);
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extern int setreuid(uid_t ruid, uid_t euid);
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extern int getgrouplist(const char* user, gid_t baseGroup,
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gid_t* groupList, int* groupCount);
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extern int getgroups(int groupCount, gid_t groupList[]);
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extern int initgroups(const char* user, gid_t baseGroup);
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extern int setgroups(int groupCount, const gid_t* groupList);
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extern char *getlogin(void);
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extern int getlogin_r(char *name, size_t nameSize);
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/* host name */
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extern int sethostname(const char *hostName, size_t nameSize);
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extern int gethostname(char *hostName, size_t nameSize);
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/* tty */
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extern int isatty(int fd);
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extern char *ttyname(int fd);
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extern int ttyname_r(int fd, char *buffer, size_t bufferSize);
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/* misc */
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extern char *crypt(const char *key, const char *salt);
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extern void encrypt(char block[64], int edflag);
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extern int getopt(int argc, char *const *argv, const char *shortOpts);
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extern void swab(const void *src, void *dest, ssize_t nbytes);
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/* getopt() related external variables */
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extern char *optarg;
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extern int optind, opterr, optopt;
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#ifdef __cplusplus
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}
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#endif
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#endif /* _UNISTD_H_ */
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