HCoop / bpt / emacs.git / blame
| Commit | Line | Data |
|---|---|---|
| 3ef31cb5 | 1 | /* sysselect.h - System-dependent definitions for the select function. |
| acaf905b | 2 | Copyright (C) 1995, 2001-2012 Free Software Foundation, Inc. |
| 3ef31cb5 KH |
3 | |
| 4 | This file is part of GNU Emacs. | |
| 5 | ||
| b9b1cc14 | 6 | GNU Emacs is free software: you can redistribute it and/or modify |
| 3ef31cb5 | 7 | it under the terms of the GNU General Public License as published by |
| b9b1cc14 GM |
8 | the Free Software Foundation, either version 3 of the License, or |
| 9 | (at your option) any later version. | |
| 3ef31cb5 KH |
10 | |
| 11 | GNU Emacs is distributed in the hope that it will be useful, | |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | GNU General Public License for more details. | |
| 15 | ||
| 16 | You should have received a copy of the GNU General Public License | |
| b9b1cc14 | 17 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
| 3ef31cb5 | 18 | |
| 14145fa3 | 19 | #if defined (DARWIN_OS) |
| 75440ed4 YM |
20 | #undef init_process |
| 21 | #endif | |
| 388cdec0 | 22 | #ifndef WINDOWSNT |
| 3ef31cb5 | 23 | #include <sys/select.h> |
| 388cdec0 | 24 | #endif |
| 14145fa3 | 25 | #if defined (DARWIN_OS) |
| 75440ed4 YM |
26 | #define init_process emacs_init_process |
| 27 | #endif | |
| 3ef31cb5 | 28 | |
| a583bbef EZ |
29 | /* The w32 build defines select stuff in w32.h, which is included |
| 30 | where w32 needs it, but not where sysselect.h is included. The w32 | |
| 31 | definitions in w32.h are incompatible with the below. */ | |
| 32 | #ifndef WINDOWSNT | |
| 3ef31cb5 KH |
33 | #ifdef FD_SET |
| 34 | #ifdef FD_SETSIZE | |
| 35 | #define MAXDESC FD_SETSIZE | |
| 36 | #else | |
| 37 | #define MAXDESC 64 | |
| 38 | #endif | |
| 39 | #define SELECT_TYPE fd_set | |
| 40 | #else /* no FD_SET */ | |
| 41 | #define MAXDESC 32 | |
| 42 | #define SELECT_TYPE int | |
| 43 | ||
| 44 | /* Define the macros to access a single-int bitmap of descriptors. */ | |
| 45 | #define FD_SET(n, p) (*(p) |= (1 << (n))) | |
| 46 | #define FD_CLR(n, p) (*(p) &= ~(1 << (n))) | |
| 47 | #define FD_ISSET(n, p) (*(p) & (1 << (n))) | |
| 48 | #define FD_ZERO(p) (*(p) = 0) | |
| 49 | #endif /* no FD_SET */ | |
| a583bbef | 50 | #endif /* not WINDOWSNT */ |
| 3ef31cb5 | 51 | |
| 4624371d | 52 | #if !defined (HAVE_SELECT) |
| 3ef31cb5 KH |
53 | #define select sys_select |
| 54 | #endif |