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3ef31cb5 | 1 | /* sysselect.h - System-dependent definitions for the select function. |
429ab54e | 2 | Copyright (C) 1995, 2001, 2002, 2003, 2004, 2005, |
8cabe764 | 3 | 2006, 2007, 2008 Free Software Foundation, Inc. |
3ef31cb5 KH |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
7 | GNU Emacs is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
684d6f5b | 9 | the Free Software Foundation; either version 3, or (at your option) |
3ef31cb5 KH |
10 | any later version. |
11 | ||
12 | GNU Emacs 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 GNU Emacs; see the file COPYING. If not, write to | |
4fc5845f LK |
19 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
20 | Boston, MA 02110-1301, USA. */ | |
3ef31cb5 | 21 | |
c924d3ff | 22 | #ifdef HAVE_SYS_SELECT_H |
75440ed4 YM |
23 | #if defined (DARWIN) || defined (MAC_OSX) |
24 | #undef init_process | |
25 | #endif | |
3ef31cb5 | 26 | #include <sys/select.h> |
75440ed4 YM |
27 | #if defined (DARWIN) || defined (MAC_OSX) |
28 | #define init_process emacs_init_process | |
29 | #endif | |
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30 | #endif |
31 | ||
32 | #ifdef FD_SET | |
33 | #ifdef FD_SETSIZE | |
34 | #define MAXDESC FD_SETSIZE | |
35 | #else | |
36 | #define MAXDESC 64 | |
37 | #endif | |
38 | #define SELECT_TYPE fd_set | |
39 | #else /* no FD_SET */ | |
40 | #define MAXDESC 32 | |
41 | #define SELECT_TYPE int | |
42 | ||
43 | /* Define the macros to access a single-int bitmap of descriptors. */ | |
44 | #define FD_SET(n, p) (*(p) |= (1 << (n))) | |
45 | #define FD_CLR(n, p) (*(p) &= ~(1 << (n))) | |
46 | #define FD_ISSET(n, p) (*(p) & (1 << (n))) | |
47 | #define FD_ZERO(p) (*(p) = 0) | |
48 | #endif /* no FD_SET */ | |
49 | ||
4624371d | 50 | #if !defined (HAVE_SELECT) |
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51 | #define select sys_select |
52 | #endif | |
ab5796a9 MB |
53 | |
54 | /* arch-tag: 36d05500-8cf6-4847-8e78-6721f18c06ef | |
55 | (do not change this comment) */ |