Split thread.c into a number of system-specific files.

Added Tim Peters' pthread version.

1 files changed, 219 insertions, 0 deletions

diff --git a/Python/thread_solaris.h b/Python/thread_solaris.h
new file mode 100644
index 0000000000..08cf6dd051
--- /dev/null
+++ b/Python/thread_solaris.h
@@ -0,0 +1,219 @@
+/***********************************************************
+Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
+Amsterdam, The Netherlands.
+
+                        All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its 
+documentation for any purpose and without fee is hereby granted, 
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in 
+supporting documentation, and that the names of Stichting Mathematisch
+Centrum or CWI not be used in advertising or publicity pertaining to
+distribution of the software without specific, written prior permission.
+
+STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
+THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
+FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+******************************************************************/
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include </usr/include/thread.h>
+
+
+/*
+ * Initialization.
+ */
+static void _init_thread _P0()
+{
+}
+
+/*
+ * Thread support.
+ */
+struct func_arg {
+	void (*func) _P((void *));
+	void *arg;
+};
+
+static void *new_func _P1(funcarg, void *funcarg)
+{
+	void (*func) _P((void *));
+	void *arg;
+
+	func = ((struct func_arg *) funcarg)->func;
+	arg = ((struct func_arg *) funcarg)->arg;
+	free(funcarg);
+	(*func)(arg);
+	return 0;
+}
+
+
+int start_new_thread _P2(func, void (*func) _P((void *)), arg, void *arg)
+{
+	struct func_arg *funcarg;
+	int success = 0;	/* init not needed when SOLARIS_THREADS and */
+				/* C_THREADS implemented properly */
+
+	dprintf(("start_new_thread called\n"));
+	if (!initialized)
+		init_thread();
+	funcarg = (struct func_arg *) malloc(sizeof(struct func_arg));
+	funcarg->func = func;
+	funcarg->arg = arg;
+	if (thr_create(0, 0, new_func, funcarg, THR_NEW_LWP, 0)) {
+		perror("thr_create");
+		free((void *) funcarg);
+		success = -1;
+	}
+	return success < 0 ? 0 : 1;
+}
+
+static void do_exit_thread _P1(no_cleanup, int no_cleanup)
+{
+	dprintf(("exit_thread called\n"));
+	if (!initialized)
+		if (no_cleanup)
+			_exit(0);
+		else
+			exit(0);
+	thr_exit(0);
+}
+
+void exit_thread _P0()
+{
+	do_exit_thread(0);
+}
+
+void _exit_thread _P0()
+{
+	do_exit_thread(1);
+}
+
+#ifndef NO_EXIT_PROG
+static void do_exit_prog _P2(status, int status, no_cleanup, int no_cleanup)
+{
+	dprintf(("exit_prog(%d) called\n", status));
+	if (!initialized)
+		if (no_cleanup)
+			_exit(status);
+		else
+			exit(status);
+	if (no_cleanup)
+		_exit(status);
+	else
+		exit(status);
+}
+
+void exit_prog _P1(status, int status)
+{
+	do_exit_prog(status, 0);
+}
+
+void _exit_prog _P1(status, int status)
+{
+	do_exit_prog(status, 1);
+}
+#endif /* NO_EXIT_PROG */
+
+/*
+ * Lock support.
+ */
+type_lock allocate_lock _P0()
+{
+	mutex_t *lock;
+
+	dprintf(("allocate_lock called\n"));
+	if (!initialized)
+		init_thread();
+
+	lock = (mutex_t *) malloc(sizeof(mutex_t));
+	if (mutex_init(lock, USYNC_THREAD, 0)) {
+		perror("mutex_init");
+		free((void *) lock);
+		lock = 0;
+	}
+	dprintf(("allocate_lock() -> %lx\n", (long)lock));
+	return (type_lock) lock;
+}
+
+void free_lock _P1(lock, type_lock lock)
+{
+	dprintf(("free_lock(%lx) called\n", (long)lock));
+	mutex_destroy((mutex_t *) lock);
+	free((void *) lock);
+}
+
+int acquire_lock _P2(lock, type_lock lock, waitflag, int waitflag)
+{
+	int success;
+
+	dprintf(("acquire_lock(%lx, %d) called\n", (long)lock, waitflag));
+	if (waitflag)
+		success = mutex_lock((mutex_t *) lock);
+	else
+		success = mutex_trylock((mutex_t *) lock);
+	if (success < 0)
+		perror(waitflag ? "mutex_lock" : "mutex_trylock");
+	else
+		success = !success; /* solaris does it the other way round */
+	dprintf(("acquire_lock(%lx, %d) -> %d\n", (long)lock, waitflag, success));
+	return success;
+}
+
+void release_lock _P1(lock, type_lock lock)
+{
+	dprintf(("release_lock(%lx) called\n", (long)lock));
+	if (mutex_unlock((mutex_t *) lock))
+		perror("mutex_unlock");
+}
+
+/*
+ * Semaphore support.
+ */
+type_sema allocate_sema _P1(value, int value)
+{
+	sema_t *sema;
+	dprintf(("allocate_sema called\n"));
+	if (!initialized)
+		init_thread();
+
+	sema = (sema_t *) malloc(sizeof(sema_t));
+	if (sema_init(sema, value, USYNC_THREAD, 0)) {
+		perror("sema_init");
+		free((void *) sema);
+		sema = 0;
+	}
+	dprintf(("allocate_sema() -> %lx\n", (long) sema));
+	return (type_sema) sema;
+}
+
+void free_sema _P1(sema, type_sema sema)
+{
+	dprintf(("free_sema(%lx) called\n", (long) sema));
+	if (sema_destroy((sema_t *) sema))
+		perror("sema_destroy");
+	free((void *) sema);
+}
+
+void down_sema _P1(sema, type_sema sema)
+{
+	dprintf(("down_sema(%lx) called\n", (long) sema));
+	if (sema_wait((sema_t *) sema))
+		perror("sema_wait");
+	dprintf(("down_sema(%lx) return\n", (long) sema));
+}
+
+void up_sema _P1(sema, type_sema sema)
+{
+	dprintf(("up_sema(%lx)\n", (long) sema));
+	if (sema_post((sema_t *) sema))
+		perror("sema_post");
+}