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115 lines
4.1 KiB
C
115 lines
4.1 KiB
C
/* classes: h_files */
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#ifndef THREADSH
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#define THREADSH
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/* Copyright (C) 1996, 1997, 1998, 2000 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, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 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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/* Software engineering face-lift by Greg J. Badros, 11-Dec-1999,
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gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */
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#include "libguile/__scm.h"
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#include "libguile/procs.h"
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#include "libguile/throw.h"
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/* smob tags for the thread datatypes */
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extern scm_bits_t scm_tc16_thread;
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extern scm_bits_t scm_tc16_mutex;
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extern scm_bits_t scm_tc16_condvar;
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#define SCM_THREADP(x) SCM_TYP16_PREDICATE (scm_tc16_thread, x)
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#define SCM_THREAD_DATA(x) ((void *) SCM_CELL_WORD_1 (x))
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#define SCM_MUTEXP(x) SCM_TYP16_PREDICATE (scm_tc16_mutex, x)
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#define SCM_MUTEX_DATA(x) ((void *) SCM_CELL_WORD_1 (x))
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#define SCM_CONDVARP(x) SCM_TYP16_PREDICATE (scm_tc16_condvar, x)
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#define SCM_CONDVAR_DATA(x) ((void *) SCM_CELL_WORD_1 (x))
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/* Initialize implementation specific details of the threads support */
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void scm_threads_init (SCM_STACKITEM *);
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void scm_threads_mark_stacks (void);
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void scm_init_threads (SCM_STACKITEM *);
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/* */
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SCM scm_threads_make_mutex (void);
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SCM scm_threads_lock_mutex (SCM);
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SCM scm_threads_unlock_mutex (SCM);
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SCM scm_threads_monitor (void);
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SCM scm_spawn_thread (scm_catch_body_t body, void *body_data,
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scm_catch_handler_t handler, void *handler_data);
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/* These are versions of the ordinary sleep and usleep functions,
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that play nicely with the thread system. */
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unsigned long scm_thread_sleep (unsigned long);
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unsigned long scm_thread_usleep (unsigned long);
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/* The C versions of the Scheme-visible thread functions. */
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#ifdef USE_COOP_THREADS
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extern SCM scm_single_thread_p (void);
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#endif
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extern SCM scm_yield (void);
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extern SCM scm_call_with_new_thread (SCM argl);
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extern SCM scm_join_thread (SCM t);
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extern SCM scm_make_mutex (void);
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extern SCM scm_lock_mutex (SCM m);
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extern SCM scm_unlock_mutex (SCM m);
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extern SCM scm_make_condition_variable (void);
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extern SCM scm_wait_condition_variable (SCM cond, SCM mutex);
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extern SCM scm_signal_condition_variable (SCM cond);
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#ifdef USE_COOP_THREADS
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#include "libguile/coop-defs.h"
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#endif
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#endif /* THREADSH */
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/*
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Local Variables:
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c-file-style: "gnu"
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End:
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*/
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