projects / thirdparty / bash.git / blame
| Commit | Line | Data |
|---|---|---|
| bb70624e JA |
1 | /* posixtime.h -- wrapper for time.h, sys/times.h mess. */ |
| 2 | ||
| 74091dd4 | 3 | /* Copyright (C) 1999-2021 Free Software Foundation, Inc. |
| bb70624e JA |
4 | |
| 5 | This file is part of GNU Bash, the Bourne Again SHell. | |
| 6 | ||
| 3185942a JA |
7 | Bash is free software: you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by | |
| 9 | the Free Software Foundation, either version 3 of the License, or | |
| 10 | (at your option) any later version. | |
| bb70624e | 11 | |
| 3185942a JA |
12 | Bash is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 | GNU General Public License for more details. | |
| bb70624e JA |
16 | |
| 17 | You should have received a copy of the GNU General Public License | |
| 3185942a JA |
18 | along with Bash. If not, see <http://www.gnu.org/licenses/>. |
| 19 | */ | |
| bb70624e JA |
20 | |
| 21 | #ifndef _POSIXTIME_H_ | |
| 22 | #define _POSIXTIME_H_ | |
| 23 | ||
| 24 | /* include this after config.h */ | |
| 25 | /* Some systems require this, mostly for the definition of `struct timezone'. | |
| 26 | For example, Dynix/ptx has that definition in <time.h> rather than | |
| 27 | sys/time.h */ | |
| 74091dd4 | 28 | #if defined (HAVE_SYS_TIME_H) |
| bb70624e | 29 | # include <sys/time.h> |
| bb70624e | 30 | #endif |
| 74091dd4 | 31 | #include <time.h> |
| bb70624e JA |
32 | |
| 33 | #if !defined (HAVE_SYSCONF) || !defined (_SC_CLK_TCK) | |
| 34 | # if !defined (CLK_TCK) | |
| 35 | # if defined (HZ) | |
| 36 | # define CLK_TCK HZ | |
| 37 | # else | |
| 38 | # define CLK_TCK 60 /* 60HZ */ | |
| 39 | # endif | |
| 40 | # endif /* !CLK_TCK */ | |
| 41 | #endif /* !HAVE_SYSCONF && !_SC_CLK_TCK */ | |
| 42 | ||
| 8868edaf CR |
43 | #if !HAVE_TIMEVAL |
| 44 | struct timeval | |
| 45 | { | |
| 46 | time_t tv_sec; | |
| 47 | long int tv_usec; | |
| 48 | }; | |
| 49 | #endif | |
| 50 | ||
| 51 | #if !HAVE_GETTIMEOFDAY | |
| 52 | extern int gettimeofday PARAMS((struct timeval *, void *)); | |
| 53 | #endif | |
| 54 | ||
| 74091dd4 CR |
55 | /* These exist on BSD systems, at least. */ |
| 56 | #if !defined (timerclear) | |
| 57 | # define timerclear(tvp) do { (tvp)->tv_sec = 0; (tvp)->tv_usec = 0; } while (0) | |
| 58 | #endif | |
| 59 | #if !defined (timerisset) | |
| 60 | # define timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec) | |
| 61 | #endif | |
| 62 | #if !defined (timercmp) | |
| 63 | # define timercmp(a, b, CMP) \ | |
| 64 | (((a)->tv_sec == (b)->tv_sec) ? ((a)->tv_usec CMP (b)->tv_usec) \ | |
| 65 | : ((a)->tv_sec CMP (b)->tv_sec)) | |
| 66 | #endif | |
| 67 | ||
| 68 | /* These are non-standard. */ | |
| 69 | #if !defined (timerisunset) | |
| 70 | # define timerisunset(tvp) ((tvp)->tv_sec == 0 && (tvp)->tv_usec == 0) | |
| 71 | #endif | |
| 72 | #if !defined (timerset) | |
| 73 | # define timerset(tvp, s, u) do { tvp->tv_sec = s; tvp->tv_usec = u; } while (0) | |
| 74 | #endif | |
| 75 | ||
| 76 | #ifndef TIMEVAL_TO_TIMESPEC | |
| 77 | # define TIMEVAL_TO_TIMESPEC(tv, ts) \ | |
| 78 | do { \ | |
| 79 | (ts)->tv_sec = (tv)->tv_sec; \ | |
| 80 | (ts)->tv_nsec = (tv)->tv_usec * 1000; \ | |
| 81 | } while (0) | |
| 82 | #endif | |
| 83 | ||
| bb70624e | 84 | #endif /* _POSIXTIME_H_ */ |