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+/* Copyright (C) 1995, 1996 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, 675 Mass Ave, Cambridge, MA 02139, 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 <stdio.h>
+#include "_scm.h"
+#include "dynwind.h"
+#include "smob.h"
+
+#include "threads.h"
+
+
+
+long scm_tc16_thread;
+
+long scm_tc16_mutex;
+
+long scm_tc16_condvar;
+
+
+/* Scheme-visible thread functions. */
+
+#ifdef USE_COOP_THREADS
+SCM_PROC(s_single_thread_p, "single-active-thread?", 0, 0, 0, scm_single_thread_p);
+#endif
+SCM_PROC(s_yield, "yield", 0, 0, 0, scm_yield);
+SCM_PROC(s_call_with_new_thread, "call-with-new-thread", 0, 0, 1, scm_call_with_new_thread);
+SCM_PROC(s_join_thread, "join-thread", 1, 0, 0, scm_join_thread);
+SCM_PROC(s_make_mutex, "make-mutex", 0, 0, 0, scm_make_mutex);
+SCM_PROC(s_lock_mutex, "lock-mutex", 1, 0, 0, scm_lock_mutex);
+SCM_PROC(s_unlock_mutex, "unlock-mutex", 1, 0, 0, scm_unlock_mutex);
+SCM_PROC(s_make_condition_variable, "make-condition-variable", 0, 0, 0, scm_make_condition_variable);
+SCM_PROC(s_wait_condition_variable, "wait-condition-variable", 2, 0, 0, scm_wait_condition_variable);
+SCM_PROC(s_signal_condition_variable, "signal-condition-variable", 1, 0, 0, scm_signal_condition_variable);
+
+
+
+#ifdef USE_MIT_PTHREADS
+#include "mit-pthreads.c"
+#endif
+
+#ifdef USE_COOP_THREADS
+#include "coop-threads.c"
+#endif
+
+static int
+print_thread (exp, port, pstate)
+ SCM exp;
+ SCM port;
+ scm_print_state *pstate;
+{
+ scm_gen_puts (scm_regular_string, "#<thread ", port);
+ scm_intprint (SCM_CDR (exp), 16, port);
+ scm_gen_putc ('>', port);
+ return 1;
+}
+
+static scm_smobfuns thread_smob =
+{
+ scm_mark0,
+ scm_threads_free_thread,
+ print_thread,
+ 0
+};
+
+static int
+print_mutex (exp, port, pstate)
+ SCM exp;
+ SCM port;
+ scm_print_state *pstate;
+{
+ scm_gen_puts (scm_regular_string, "#<mutex ", port);
+ scm_intprint (SCM_CDR (exp), 16, port);
+ scm_gen_putc ('>', port);
+ return 1;
+}
+
+static scm_smobfuns mutex_smob =
+{
+ scm_mark0,
+ scm_threads_free_mutex,
+ print_mutex,
+ 0
+};
+
+static int
+print_condvar (exp, port, pstate)
+ SCM exp;
+ SCM port;
+ scm_print_state *pstate;
+{
+ scm_gen_puts (scm_regular_string, "#<condition-variable ", port);
+ scm_intprint (SCM_CDR (exp), 16, port);
+ scm_gen_putc ('>', port);
+ return 1;
+}
+
+static scm_smobfuns condvar_smob =
+{
+ scm_mark0,
+ scm_threads_free_condvar,
+ print_condvar,
+ 0
+};
+
+
+
+#ifdef __STDC__
+void
+scm_init_threads (SCM_STACKITEM *i)
+#else
+void
+scm_init_threads (i)
+ SCM_STACKITEM *i;
+#endif
+{
+ scm_tc16_thread = scm_newsmob (&thread_smob);
+ scm_tc16_mutex = scm_newsmob (&mutex_smob);
+ scm_tc16_condvar = scm_newsmob (&condvar_smob);
+#include "threads.x"
+ /* Initialize implementation specific details of the threads support */
+ scm_threads_init (i);
+}