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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 | |
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6 | /* Copyright (C) 1997,1998,2000,2001 Free Software Foundation, Inc. |
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. | |
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45 | * If you do not wish that, delete this exception notice. */ |
46 | ||
47 | \f | |
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48 | |
49 | #include "libguile/__scm.h" | |
50 | ||
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51 | /* Needed for FD_SET on some systems. */ |
52 | #include <sys/types.h> | |
53 | ||
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54 | # ifdef TIME_WITH_SYS_TIME |
55 | # include <sys/time.h> | |
56 | # include <time.h> | |
57 | # else | |
58 | # ifdef HAVE_SYS_TIME_H | |
59 | # include <sys/time.h> | |
60 | # else | |
61 | # ifdef HAVE_TIME_H | |
62 | # include <time.h> | |
63 | # endif | |
64 | # endif | |
65 | # endif | |
66 | ||
67 | #ifdef HAVE_SYS_SELECT_H | |
68 | #include <sys/select.h> | |
69 | #endif | |
70 | ||
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71 | #ifdef HAVE_WINSOCK2_H |
72 | #include <winsock2.h> | |
73 | #endif | |
74 | ||
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75 | #ifdef FD_SET |
76 | ||
77 | #define SELECT_TYPE fd_set | |
78 | #define SELECT_SET_SIZE FD_SETSIZE | |
79 | ||
80 | #else /* no FD_SET */ | |
81 | ||
82 | /* Define the macros to access a single-int bitmap of descriptors. */ | |
83 | #define SELECT_SET_SIZE 32 | |
84 | #define SELECT_TYPE int | |
85 | #define FD_SET(n, p) (*(p) |= (1 << (n))) | |
86 | #define FD_CLR(n, p) (*(p) &= ~(1 << (n))) | |
87 | #define FD_ISSET(n, p) (*(p) & (1 << (n))) | |
88 | #define FD_ZERO(p) (*(p) = 0) | |
89 | ||
90 | #endif /* no FD_SET */ | |
91 | ||
92 | extern int scm_internal_select (int fds, | |
93 | SELECT_TYPE *rfds, | |
94 | SELECT_TYPE *wfds, | |
95 | SELECT_TYPE *efds, | |
96 | struct timeval *timeout); | |
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97 | |
98 | #ifdef GUILE_ISELECT | |
99 | ||
100 | extern int scm_I_am_dead; | |
101 | ||
c69dfa65 | 102 | extern void scm_error_revive_threads (void); |
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103 | extern void scm_init_iselect (void); |
104 | ||
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105 | #endif /* GUILE_ISELECT */ |
106 | ||
0527e687 | 107 | #endif /* SCM_ISELECT_H */ |
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108 | |
109 | /* | |
110 | Local Variables: | |
111 | c-file-style: "gnu" | |
112 | End: | |
113 | */ |