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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, |
5df4f04c | 3 | 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc. |
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4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
b9b1cc14 | 7 | GNU Emacs is free software: you can redistribute it and/or modify |
3ef31cb5 | 8 | it under the terms of the GNU General Public License as published by |
b9b1cc14 GM |
9 | the Free Software Foundation, either version 3 of the License, or |
10 | (at your option) any later version. | |
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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 | |
b9b1cc14 | 18 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
3ef31cb5 | 19 | |
c924d3ff | 20 | #ifdef HAVE_SYS_SELECT_H |
14145fa3 | 21 | #if defined (DARWIN_OS) |
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22 | #undef init_process |
23 | #endif | |
3ef31cb5 | 24 | #include <sys/select.h> |
14145fa3 | 25 | #if defined (DARWIN_OS) |
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26 | #define init_process emacs_init_process |
27 | #endif | |
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28 | #endif |
29 | ||
30 | #ifdef FD_SET | |
31 | #ifdef FD_SETSIZE | |
32 | #define MAXDESC FD_SETSIZE | |
33 | #else | |
34 | #define MAXDESC 64 | |
35 | #endif | |
36 | #define SELECT_TYPE fd_set | |
37 | #else /* no FD_SET */ | |
38 | #define MAXDESC 32 | |
39 | #define SELECT_TYPE int | |
40 | ||
41 | /* Define the macros to access a single-int bitmap of descriptors. */ | |
42 | #define FD_SET(n, p) (*(p) |= (1 << (n))) | |
43 | #define FD_CLR(n, p) (*(p) &= ~(1 << (n))) | |
44 | #define FD_ISSET(n, p) (*(p) & (1 << (n))) | |
45 | #define FD_ZERO(p) (*(p) = 0) | |
46 | #endif /* no FD_SET */ | |
47 | ||
4624371d | 48 | #if !defined (HAVE_SELECT) |
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49 | #define select sys_select |
50 | #endif | |
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51 | |
52 | /* arch-tag: 36d05500-8cf6-4847-8e78-6721f18c06ef | |
53 | (do not change this comment) */ |