| 1 | /* posixselect.h -- wrapper for select(2) includes and definitions */ |
| 2 | |
| 3 | /* Copyright (C) 2009 Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GNU Bash, the Bourne Again SHell. |
| 6 | |
| 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. |
| 11 | |
| 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. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with Bash. If not, see <http://www.gnu.org/licenses/>. |
| 19 | */ |
| 20 | |
| 21 | #ifndef _POSIXSELECT_H_ |
| 22 | #define _POSIXSELECT_H_ |
| 23 | |
| 24 | #if defined (FD_SET) && !defined (HAVE_SELECT) |
| 25 | # define HAVE_SELECT 1 |
| 26 | #endif |
| 27 | |
| 28 | #if defined (HAVE_SELECT) |
| 29 | # if !defined (HAVE_SYS_SELECT_H) || !defined (M_UNIX) |
| 30 | # include <sys/time.h> |
| 31 | # endif |
| 32 | #endif /* HAVE_SELECT */ |
| 33 | #if defined (HAVE_SYS_SELECT_H) |
| 34 | # include <sys/select.h> |
| 35 | #endif |
| 36 | |
| 37 | #ifndef USEC_PER_SEC |
| 38 | # define USEC_PER_SEC 1000000 |
| 39 | #endif |
| 40 | |
| 41 | #define USEC_TO_TIMEVAL(us, tv) \ |
| 42 | do { \ |
| 43 | (tv).tv_sec = (us) / USEC_PER_SEC; \ |
| 44 | (tv).tv_usec = (us) % USEC_PER_SEC; \ |
| 45 | } while (0) |
| 46 | |
| 47 | #endif /* _POSIXSELECT_H_ */ |