projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| b688fc87 WJ |
1 | /* |
| 2 | * Copyright (c) 1989 The Regents of the University of California. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * Redistribution and use in source and binary forms, with or without | |
| 6 | * modification, are permitted provided that the following conditions | |
| 7 | * are met: | |
| 8 | * 1. Redistributions of source code must retain the above copyright | |
| 9 | * notice, this list of conditions and the following disclaimer. | |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 11 | * notice, this list of conditions and the following disclaimer in the | |
| 12 | * documentation and/or other materials provided with the distribution. | |
| 13 | * 3. All advertising materials mentioning features or use of this software | |
| 14 | * must display the following acknowledgement: | |
| 15 | * This product includes software developed by the University of | |
| 16 | * California, Berkeley and its contributors. | |
| 17 | * 4. Neither the name of the University nor the names of its contributors | |
| 18 | * may be used to endorse or promote products derived from this software | |
| 19 | * without specific prior written permission. | |
| 20 | * | |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 31 | * SUCH DAMAGE. | |
| 32 | * | |
| 33 | * @(#)unistd.h 5.14 (Berkeley) 4/1/91 | |
| 34 | */ | |
| 35 | ||
| 36 | #ifndef _SYS_UNISTD_H_ | |
| 37 | #define _SYS_UNISTD_H_ | |
| 38 | ||
| 39 | /* compile-time symbolic constants */ | |
| 40 | #define _POSIX_JOB_CONTROL /* implementation supports job control */ | |
| 41 | #ifdef _NOTYET | |
| 42 | #define _POSIX_SAVED_IDS /* saved set-user-ID and set-group-ID */ | |
| 43 | #endif | |
| 44 | #define _POSIX_VERSION 198808L | |
| 45 | ||
| 46 | /* execution-time symbolic constants */ | |
| 47 | #define _POSIX_CHOWN_RESTRICTED /* chown requires appropriate privileges */ | |
| 48 | #define _POSIX_NO_TRUNC /* too-long path components generate errors */ | |
| 49 | /* may disable terminal special characters */ | |
| 50 | #define _POSIX_VDISABLE ((unsigned char)'\377') | |
| 51 | ||
| 52 | /* access function */ | |
| 53 | #define F_OK 0 /* test for existence of file */ | |
| 54 | #define X_OK 0x01 /* test for execute or search permission */ | |
| 55 | #define W_OK 0x02 /* test for write permission */ | |
| 56 | #define R_OK 0x04 /* test for read permission */ | |
| 57 | ||
| 58 | /* whence values for lseek(2) */ | |
| 59 | #define SEEK_SET 0 /* set file offset to offset */ | |
| 60 | #define SEEK_CUR 1 /* set file offset to current plus offset */ | |
| 61 | #define SEEK_END 2 /* set file offset to EOF plus offset */ | |
| 62 | ||
| 63 | #ifndef _POSIX_SOURCE | |
| 64 | /* whence values for lseek(2); renamed by POSIX 1003.1 */ | |
| 65 | #define L_SET SEEK_SET | |
| 66 | #define L_INCR SEEK_CUR | |
| 67 | #define L_XTND SEEK_END | |
| 68 | #endif | |
| 69 | ||
| 70 | /* configurable pathname variables */ | |
| 71 | #define _PC_LINK_MAX 1 | |
| 72 | #define _PC_MAX_CANON 2 | |
| 73 | #define _PC_MAX_INPUT 3 | |
| 74 | #define _PC_NAME_MAX 4 | |
| 75 | #define _PC_PATH_MAX 5 | |
| 76 | #define _PC_PIPE_BUF 6 | |
| 77 | #define _PC_CHOWN_RESTRICTED 7 | |
| 78 | #define _PC_NO_TRUNC 8 | |
| 79 | #define _PC_VDISABLE 9 | |
| 80 | ||
| 81 | /* configurable system variables */ | |
| 82 | #define _SC_ARG_MAX 1 | |
| 83 | #define _SC_CHILD_MAX 2 | |
| 84 | #define _SC_CLK_TCK 3 | |
| 85 | #define _SC_NGROUPS_MAX 4 | |
| 86 | #define _SC_OPEN_MAX 5 | |
| 87 | #define _SC_JOB_CONTROL 6 | |
| 88 | #define _SC_SAVED_IDS 7 | |
| 89 | #define _SC_VERSION 8 | |
| 90 | ||
| 91 | #endif /* !_SYS_UNISTD_H_ */ |