| 1 | /*
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| 2 | * Copyright (c) 2011 Jiri Zarevucky
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| 3 | * Copyright (c) 2011 Petr Koupy
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| 4 | * All rights reserved.
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| 5 | *
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| 6 | * Redistribution and use in source and binary forms, with or without
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| 7 | * modification, are permitted provided that the following conditions
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| 8 | * are met:
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| 9 | *
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| 10 | * - Redistributions of source code must retain the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer.
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| 12 | * - Redistributions in binary form must reproduce the above copyright
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| 13 | * notice, this list of conditions and the following disclaimer in the
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| 14 | * documentation and/or other materials provided with the distribution.
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| 15 | * - The name of the author may not be used to endorse or promote products
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| 16 | * derived from this software without specific prior written permission.
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| 17 | *
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| 18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 28 | */
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| 29 |
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| 30 | /** @addtogroup libposix
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| 31 | * @{
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| 32 | */
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| 33 | /** @file
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| 34 | */
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| 35 |
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| 36 | #ifndef POSIX_UNISTD_H_
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| 37 | #define POSIX_UNISTD_H_
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| 38 |
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| 39 | #include "libc/unistd.h"
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| 40 | #include "sys/types.h"
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| 41 |
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| 42 | /* Process Termination */
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| 43 | #define _exit exit
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| 44 |
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| 45 | /* Option Arguments */
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| 46 | extern char *optarg;
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| 47 | extern int optind, opterr, optopt;
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| 48 | extern int getopt(int, char * const [], const char *);
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| 49 |
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| 50 | /* Environment */
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| 51 | extern char **posix_environ;
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| 52 |
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| 53 | extern char *posix_getlogin(void);
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| 54 | extern int posix_getlogin_r(char *name, size_t namesize);
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| 55 |
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| 56 | /* Identifying Terminals */
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| 57 | extern int posix_isatty(int fd);
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| 58 |
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| 59 | /* Query Memory Parameters */
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| 60 | extern int posix_getpagesize(void);
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| 61 |
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| 62 | /* Process Identification */
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| 63 | extern posix_pid_t posix_getpid(void);
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| 64 | extern posix_uid_t posix_getuid(void);
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| 65 | extern posix_gid_t posix_getgid(void);
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| 66 |
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| 67 | /* Standard Streams */
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| 68 | #undef STDIN_FILENO
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| 69 | #define STDIN_FILENO (fileno(stdin))
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| 70 | #undef STDOUT_FILENO
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| 71 | #define STDOUT_FILENO (fileno(stdout))
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| 72 | #undef STDERR_FILENO
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| 73 | #define STDERR_FILENO (fileno(stderr))
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| 74 |
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| 75 | /* File Accessibility */
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| 76 | #undef F_OK
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| 77 | #undef X_OK
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| 78 | #undef W_OK
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| 79 | #undef R_OK
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| 80 | #define F_OK 0 /* Test for existence. */
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| 81 | #define X_OK 1 /* Test for execute permission. */
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| 82 | #define W_OK 2 /* Test for write permission. */
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| 83 | #define R_OK 4 /* Test for read permission. */
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| 84 | extern int posix_access(const char *path, int amode);
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| 85 |
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| 86 | /* System Parameters */
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| 87 | enum {
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| 88 | _SC_PHYS_PAGES,
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| 89 | _SC_AVPHYS_PAGES,
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| 90 | _SC_PAGESIZE,
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| 91 | _SC_CLK_TCK
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| 92 | };
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| 93 | extern long posix_sysconf(int name);
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| 94 |
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| 95 | /* Path Configuration Parameters */
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| 96 | enum {
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| 97 | _PC_2_SYMLINKS,
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| 98 | _PC_ALLOC_SIZE_MIN,
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| 99 | _PC_ASYNC_IO,
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| 100 | _PC_CHOWN_RESTRICTED,
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| 101 | _PC_FILESIZEBITS,
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| 102 | _PC_LINK_MAX,
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| 103 | _PC_MAX_CANON,
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| 104 | _PC_MAX_INPUT,
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| 105 | _PC_NAME_MAX,
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| 106 | _PC_NO_TRUNC,
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| 107 | _PC_PATH_MAX,
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| 108 | _PC_PIPE_BUF,
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| 109 | _PC_PRIO_IO,
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| 110 | _PC_REC_INCR_XFER_SIZE,
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| 111 | _PC_REC_MIN_XFER_SIZE,
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| 112 | _PC_REC_XFER_ALIGN,
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| 113 | _PC_SYMLINK_MAX,
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| 114 | _PC_SYNC_IO,
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| 115 | _PC_VDISABLE
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| 116 | };
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| 117 | extern long posix_pathconf(const char *path, int name);
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| 118 |
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| 119 | /* Creating a Process */
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| 120 | extern posix_pid_t posix_fork(void);
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| 121 |
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| 122 | /* Executing a File */
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| 123 | extern int posix_execv(const char *path, char *const argv[]);
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| 124 | extern int posix_execvp(const char *file, char *const argv[]);
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| 125 |
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| 126 | /* Creating a Pipe */
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| 127 | extern int posix_pipe(int fildes[2]);
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| 128 |
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| 129 | #ifndef LIBPOSIX_INTERNAL
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| 130 | #define environ posix_environ
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| 131 | #define getlogin posix_getlogin
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| 132 | #define getlogin_r posix_getlogin_r
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| 133 |
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| 134 | #define isatty posix_isatty
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| 135 |
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| 136 | #undef getpagesize
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| 137 | #define getpagesize posix_getpagesize
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| 138 |
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| 139 | #define getpid posix_getpid
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| 140 | #define getuid posix_getuid
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| 141 | #define getgid posix_getgid
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| 142 |
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| 143 | #define access posix_access
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| 144 |
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| 145 | #define sysconf posix_sysconf
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| 146 |
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| 147 | #define pathconf posix_pathconf
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| 148 |
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| 149 | #define fork posix_fork
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| 150 |
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| 151 | #define execv posix_execv
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| 152 | #define execvp posix_execvp
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| 153 |
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| 154 | #define pipe posix_pipe
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| 155 | #endif
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| 156 |
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| 157 | #endif /* POSIX_UNISTD_H_ */
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| 158 |
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| 159 | /** @}
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| 160 | */
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