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1 | /* classes: h_files */ |
2 | ||
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3 | #ifndef SCM_ISELECT_H |
4 | #define SCM_ISELECT_H | |
3666451e | 5 | |
2b829bbb | 6 | /* Copyright (C) 1997,1998,2000,2001, 2002, 2006 Free Software Foundation, Inc. |
0527e687 | 7 | * |
73be1d9e | 8 | * This library is free software; you can redistribute it and/or |
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9 | * modify it under the terms of the GNU Lesser General Public License |
10 | * as published by the Free Software Foundation; either version 3 of | |
11 | * the License, or (at your option) any later version. | |
0527e687 | 12 | * |
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13 | * This library is distributed in the hope that it will be useful, but |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
16 | * Lesser General Public License for more details. | |
0527e687 | 17 | * |
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18 | * You should have received a copy of the GNU Lesser General Public |
19 | * License along with this library; if not, write to the Free Software | |
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20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
21 | * 02110-1301 USA | |
73be1d9e | 22 | */ |
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23 | |
24 | \f | |
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25 | |
26 | #include "libguile/__scm.h" | |
27 | ||
bb3b902f JB |
28 | /* Needed for FD_SET on some systems. */ |
29 | #include <sys/types.h> | |
30 | ||
9d4b740b RB |
31 | #if SCM_HAVE_SYS_SELECT_H |
32 | # include <sys/select.h> | |
3666451e MD |
33 | #endif |
34 | ||
9d4b740b | 35 | #if SCM_HAVE_WINSOCK2_H |
b31e9238 | 36 | # include <winsock2.h> |
82893676 MG |
37 | #endif |
38 | ||
3666451e MD |
39 | #ifdef FD_SET |
40 | ||
41 | #define SELECT_TYPE fd_set | |
42 | #define SELECT_SET_SIZE FD_SETSIZE | |
43 | ||
44 | #else /* no FD_SET */ | |
45 | ||
46 | /* Define the macros to access a single-int bitmap of descriptors. */ | |
47 | #define SELECT_SET_SIZE 32 | |
48 | #define SELECT_TYPE int | |
49 | #define FD_SET(n, p) (*(p) |= (1 << (n))) | |
50 | #define FD_CLR(n, p) (*(p) &= ~(1 << (n))) | |
51 | #define FD_ISSET(n, p) (*(p) & (1 << (n))) | |
52 | #define FD_ZERO(p) (*(p) = 0) | |
53 | ||
54 | #endif /* no FD_SET */ | |
55 | ||
9de87eea MV |
56 | SCM_API int scm_std_select (int fds, |
57 | SELECT_TYPE *rfds, | |
58 | SELECT_TYPE *wfds, | |
59 | SELECT_TYPE *efds, | |
60 | struct timeval *timeout); | |
6d8d2deb | 61 | |
0527e687 | 62 | #endif /* SCM_ISELECT_H */ |
89e00824 ML |
63 | |
64 | /* | |
65 | Local Variables: | |
66 | c-file-style: "gnu" | |
67 | End: | |
68 | */ |