HCoop / bpt / guile.git / blame
| Commit | Line | Data |
|---|---|---|
| 3666451e MD |
1 | /* classes: h_files */ |
| 2 | ||
| 3 | #ifndef ISELECTH | |
| 4 | #define ISELECTH | |
| 5 | ||
| 6 | /* Copyright (C) 1997 Free Software Foundation, Inc. | |
| 7 | * | |
| 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. | |
| 12 | * | |
| 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. | |
| 17 | * | |
| 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 | |
| 20 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | |
| 21 | * | |
| 22 | * As a special exception, the Free Software Foundation gives permission | |
| 23 | * for additional uses of the text contained in its release of GUILE. | |
| 24 | * | |
| 25 | * The exception is that, if you link the GUILE library with other files | |
| 26 | * to produce an executable, this does not by itself cause the | |
| 27 | * resulting executable to be covered by the GNU General Public License. | |
| 28 | * Your use of that executable is in no way restricted on account of | |
| 29 | * linking the GUILE library code into it. | |
| 30 | * | |
| 31 | * This exception does not however invalidate any other reasons why | |
| 32 | * the executable file might be covered by the GNU General Public License. | |
| 33 | * | |
| 34 | * This exception applies only to the code released by the | |
| 35 | * Free Software Foundation under the name GUILE. If you copy | |
| 36 | * code from other Free Software Foundation releases into a copy of | |
| 37 | * GUILE, as the General Public License permits, the exception does | |
| 38 | * not apply to the code that you add in this way. To avoid misleading | |
| 39 | * anyone as to the status of such modified files, you must delete | |
| 40 | * this exception notice from them. | |
| 41 | * | |
| 42 | * If you write modifications of your own for GUILE, it is your choice | |
| 43 | * whether to permit this exception to apply to your modifications. | |
| 44 | * If you do not wish that, delete this exception notice. | |
| 45 | */ | |
| 46 | ||
| 47 | #include "libguile/__scm.h" | |
| 48 | ||
| 49 | # ifdef TIME_WITH_SYS_TIME | |
| 50 | # include <sys/time.h> | |
| 51 | # include <time.h> | |
| 52 | # else | |
| 53 | # ifdef HAVE_SYS_TIME_H | |
| 54 | # include <sys/time.h> | |
| 55 | # else | |
| 56 | # ifdef HAVE_TIME_H | |
| 57 | # include <time.h> | |
| 58 | # endif | |
| 59 | # endif | |
| 60 | # endif | |
| 61 | ||
| 62 | #ifdef HAVE_SYS_SELECT_H | |
| 63 | #include <sys/select.h> | |
| 64 | #endif | |
| 65 | ||
| 66 | #ifdef FD_SET | |
| 67 | ||
| 68 | #define SELECT_TYPE fd_set | |
| 69 | #define SELECT_SET_SIZE FD_SETSIZE | |
| 70 | ||
| 71 | #else /* no FD_SET */ | |
| 72 | ||
| 73 | /* Define the macros to access a single-int bitmap of descriptors. */ | |
| 74 | #define SELECT_SET_SIZE 32 | |
| 75 | #define SELECT_TYPE int | |
| 76 | #define FD_SET(n, p) (*(p) |= (1 << (n))) | |
| 77 | #define FD_CLR(n, p) (*(p) &= ~(1 << (n))) | |
| 78 | #define FD_ISSET(n, p) (*(p) & (1 << (n))) | |
| 79 | #define FD_ZERO(p) (*(p) = 0) | |
| 80 | ||
| 81 | #endif /* no FD_SET */ | |
| 82 | ||
| 83 | extern int scm_internal_select (int fds, | |
| 84 | SELECT_TYPE *rfds, | |
| 85 | SELECT_TYPE *wfds, | |
| 86 | SELECT_TYPE *efds, | |
| 87 | struct timeval *timeout); | |
| 88 | extern void scm_init_iselect (void); | |
| 89 | ||
| 90 | #endif |