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102 lines
3.1 KiB
C
102 lines
3.1 KiB
C
/* classes: h_files */
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#ifndef ISELECTH
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#define ISELECTH
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/* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* As a special exception, the Free Software Foundation gives permission
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* for additional uses of the text contained in its release of GUILE.
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*
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* The exception is that, if you link the GUILE library with other files
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* to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the GUILE library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the
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* Free Software Foundation under the name GUILE. If you copy
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* code from other Free Software Foundation releases into a copy of
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* GUILE, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for GUILE, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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*/
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#include "libguile/__scm.h"
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/* Needed for FD_SET on some systems. */
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#include <sys/types.h>
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# ifdef TIME_WITH_SYS_TIME
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# include <sys/time.h>
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# include <time.h>
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# else
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# ifdef HAVE_SYS_TIME_H
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# include <sys/time.h>
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# else
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# ifdef HAVE_TIME_H
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# include <time.h>
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# endif
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# endif
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# endif
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#ifdef HAVE_SYS_SELECT_H
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#include <sys/select.h>
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#endif
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#ifdef FD_SET
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#define SELECT_TYPE fd_set
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#define SELECT_SET_SIZE FD_SETSIZE
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#else /* no FD_SET */
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/* Define the macros to access a single-int bitmap of descriptors. */
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#define SELECT_SET_SIZE 32
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#define SELECT_TYPE int
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#define FD_SET(n, p) (*(p) |= (1 << (n)))
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#define FD_CLR(n, p) (*(p) &= ~(1 << (n)))
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#define FD_ISSET(n, p) (*(p) & (1 << (n)))
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#define FD_ZERO(p) (*(p) = 0)
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#endif /* no FD_SET */
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#ifdef GUILE_ISELECT
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extern int scm_I_am_dead;
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extern int scm_internal_select (int fds,
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SELECT_TYPE *rfds,
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SELECT_TYPE *wfds,
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SELECT_TYPE *efds,
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struct timeval *timeout);
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extern void scm_error_revive_threads (void);
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extern void scm_init_iselect (void);
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#else /* GUILE_ISELECT */
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#define scm_internal_select select
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#endif /* GUILE_ISELECT */
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#endif
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