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- /* classes: h_files */
-
- #ifndef THREADSH
- #define THREADSH
-
- /* Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this software; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
- * Boston, MA 02111-1307 USA
- *
- * As a special exception, the Free Software Foundation gives permission
- * for additional uses of the text contained in its release of GUILE.
- *
- * The exception is that, if you link the GUILE library with other files
- * to produce an executable, this does not by itself cause the
- * resulting executable to be covered by the GNU General Public License.
- * Your use of that executable is in no way restricted on account of
- * linking the GUILE library code into it.
- *
- * This exception does not however invalidate any other reasons why
- * the executable file might be covered by the GNU General Public License.
- *
- * This exception applies only to the code released by the
- * Free Software Foundation under the name GUILE. If you copy
- * code from other Free Software Foundation releases into a copy of
- * GUILE, as the General Public License permits, the exception does
- * not apply to the code that you add in this way. To avoid misleading
- * anyone as to the status of such modified files, you must delete
- * this exception notice from them.
- *
- * If you write modifications of your own for GUILE, it is your choice
- * whether to permit this exception to apply to your modifications.
- * If you do not wish that, delete this exception notice. */
-
-
- #include "libguile/__scm.h"
- #include "libguile/procs.h"
-
- /* smob tags for the thread datatypes */
- extern long scm_tc16_thread;
- extern long scm_tc16_mutex;
- extern long scm_tc16_condvar;
-
- #define SCM_THREADP(obj) (scm_tc16_thread == SCM_TYP16 (obj))
- #define SCM_THREAD_DATA(obj) ((void *) SCM_CDR (obj))
-
- #define SCM_MUTEXP(obj) (scm_tc16_mutex == SCM_TYP16 (obj))
- #define SCM_MUTEX_DATA(obj) ((void *) SCM_CDR (obj))
-
- #define SCM_CONDVARP(obj) (scm_tc16_condvar == SCM_TYP16 (obj))
- #define SCM_CONDVAR_DATA(obj) ((void *) SCM_CDR (obj))
-
- /* Initialize implementation specific details of the threads support */
- void scm_threads_init SCM_P ((SCM_STACKITEM *));
- void scm_threads_mark_stacks SCM_P ((void));
- void scm_init_threads SCM_P ((SCM_STACKITEM *));
-
- /* */
- SCM scm_threads_make_mutex SCM_P ((void));
- SCM scm_threads_lock_mutex SCM_P ((SCM));
- SCM scm_threads_unlock_mutex SCM_P ((SCM));
- SCM scm_threads_monitor SCM_P ((void));
-
- SCM scm_spawn_thread (scm_catch_body_t body, void *body_data,
- scm_catch_handler_t handler, void *handler_data);
-
- /* These are versions of the ordinary sleep and usleep functions,
- that play nicely with the thread system. */
- SCM unsigned long scm_thread_sleep (unsigned long);
- SCM unsigned long scm_thread_usleep (unsigned long);
-
-
- /* The C versions of the Scheme-visible thread functions. */
- #ifdef USE_COOP_THREADS
- extern SCM scm_single_thread_p (void);
- #endif
- extern SCM scm_yield (void);
- extern SCM scm_call_with_new_thread (SCM argl);
- extern SCM scm_join_thread (SCM t);
- extern SCM scm_make_mutex (void);
- extern SCM scm_lock_mutex (SCM m);
- extern SCM scm_unlock_mutex (SCM m);
- extern SCM scm_make_condition_variable (void);
- extern SCM scm_wait_condition_variable (SCM cond, SCM mutex);
- extern SCM scm_signal_condition_variable (SCM cond);
-
- #if 0
- /* These don't work any more. */
- #ifdef USE_MIT_PTHREADS
- #include "mit-pthreads.h"
- #endif
-
- #ifdef USE_FSU_PTHREADS
- #include "fsu-pthreads.h"
- #endif
- #endif
-
- #ifdef USE_COOP_THREADS
- #include "libguile/coop-defs.h"
- #endif
-
- #endif /* THREADSH */
-