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1 | /* classes: h_files */ |
2 | ||
0527e687 DH |
3 | #ifndef SCM_ISELECT_H |
4 | #define SCM_ISELECT_H | |
3666451e | 5 | |
1d0bde44 | 6 | /* Copyright (C) 1997,1998,2000,2001, 2002 Free Software Foundation, Inc. |
0527e687 | 7 | * |
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8 | * This program is free software; you can redistribute it and/or modify |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2, or (at your option) | |
11 | * any later version. | |
0527e687 | 12 | * |
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13 | * This program is distributed in the hope that it will be useful, |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
0527e687 | 17 | * |
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18 | * You should have received a copy of the GNU General Public License |
19 | * along with this software; see the file COPYING. If not, write to | |
c6e23ea2 JB |
20 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
21 | * Boston, MA 02111-1307 USA | |
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22 | * |
23 | * As a special exception, the Free Software Foundation gives permission | |
24 | * for additional uses of the text contained in its release of GUILE. | |
25 | * | |
26 | * The exception is that, if you link the GUILE library with other files | |
27 | * to produce an executable, this does not by itself cause the | |
28 | * resulting executable to be covered by the GNU General Public License. | |
29 | * Your use of that executable is in no way restricted on account of | |
30 | * linking the GUILE library code into it. | |
31 | * | |
32 | * This exception does not however invalidate any other reasons why | |
33 | * the executable file might be covered by the GNU General Public License. | |
34 | * | |
35 | * This exception applies only to the code released by the | |
36 | * Free Software Foundation under the name GUILE. If you copy | |
37 | * code from other Free Software Foundation releases into a copy of | |
38 | * GUILE, as the General Public License permits, the exception does | |
39 | * not apply to the code that you add in this way. To avoid misleading | |
40 | * anyone as to the status of such modified files, you must delete | |
41 | * this exception notice from them. | |
42 | * | |
43 | * If you write modifications of your own for GUILE, it is your choice | |
44 | * whether to permit this exception to apply to your modifications. | |
0527e687 DH |
45 | * If you do not wish that, delete this exception notice. */ |
46 | ||
47 | \f | |
3666451e MD |
48 | |
49 | #include "libguile/__scm.h" | |
50 | ||
bb3b902f JB |
51 | /* Needed for FD_SET on some systems. */ |
52 | #include <sys/types.h> | |
53 | ||
9d4b740b RB |
54 | #if SCM_HAVE_SYS_SELECT_H |
55 | # include <sys/select.h> | |
3666451e MD |
56 | #endif |
57 | ||
9d4b740b | 58 | #if SCM_HAVE_WINSOCK2_H |
b31e9238 | 59 | # include <winsock2.h> |
82893676 MG |
60 | #endif |
61 | ||
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62 | #ifdef FD_SET |
63 | ||
64 | #define SELECT_TYPE fd_set | |
65 | #define SELECT_SET_SIZE FD_SETSIZE | |
66 | ||
67 | #else /* no FD_SET */ | |
68 | ||
69 | /* Define the macros to access a single-int bitmap of descriptors. */ | |
70 | #define SELECT_SET_SIZE 32 | |
71 | #define SELECT_TYPE int | |
72 | #define FD_SET(n, p) (*(p) |= (1 << (n))) | |
73 | #define FD_CLR(n, p) (*(p) &= ~(1 << (n))) | |
74 | #define FD_ISSET(n, p) (*(p) & (1 << (n))) | |
75 | #define FD_ZERO(p) (*(p) = 0) | |
76 | ||
77 | #endif /* no FD_SET */ | |
78 | ||
33b001fd MV |
79 | SCM_API int scm_internal_select (int fds, |
80 | SELECT_TYPE *rfds, | |
81 | SELECT_TYPE *wfds, | |
82 | SELECT_TYPE *efds, | |
83 | struct timeval *timeout); | |
87b21c09 | 84 | |
9d4b740b | 85 | #if SCM_USE_COOP_THREADS |
87b21c09 | 86 | |
33b001fd | 87 | SCM_API int scm_I_am_dead; |
87b21c09 | 88 | |
33b001fd | 89 | SCM_API void scm_error_revive_threads (void); |
3666451e | 90 | |
b31e9238 | 91 | #endif /* SCM_USE_COOP_THREADS */ |
1d0bde44 MV |
92 | |
93 | SCM_API void scm_init_iselect (void); | |
6d8d2deb | 94 | |
0527e687 | 95 | #endif /* SCM_ISELECT_H */ |
89e00824 ML |
96 | |
97 | /* | |
98 | Local Variables: | |
99 | c-file-style: "gnu" | |
100 | End: | |
101 | */ |