symbian-qemu-0.9.1-12/python-2.6.1/Python/thread_cthread.h
changeset 1 2fb8b9db1c86
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/python-2.6.1/Python/thread_cthread.h	Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,156 @@
+
+#ifdef MACH_C_THREADS
+#include <mach/cthreads.h>
+#endif
+
+#ifdef HURD_C_THREADS
+#include <cthreads.h>
+#endif
+
+/*
+ * Initialization.
+ */
+static void
+PyThread__init_thread(void)
+{
+#ifndef HURD_C_THREADS
+	/* Roland McGrath said this should not be used since this is
+	done while linking to threads */
+	cthread_init(); 
+#else
+/* do nothing */
+	;
+#endif
+}
+
+/*
+ * Thread support.
+ */
+long
+PyThread_start_new_thread(void (*func)(void *), void *arg)
+{
+	int success = 0;	/* init not needed when SOLARIS_THREADS and */
+				/* C_THREADS implemented properly */
+
+	dprintf(("PyThread_start_new_thread called\n"));
+	if (!initialized)
+		PyThread_init_thread();
+	/* looks like solaris detaches the thread to never rejoin
+	 * so well do it here
+	 */
+	cthread_detach(cthread_fork((cthread_fn_t) func, arg));
+	return success < 0 ? -1 : 0;
+}
+
+long
+PyThread_get_thread_ident(void)
+{
+	if (!initialized)
+		PyThread_init_thread();
+	return (long) cthread_self();
+}
+
+static void
+do_PyThread_exit_thread(int no_cleanup)
+{
+	dprintf(("PyThread_exit_thread called\n"));
+	if (!initialized)
+		if (no_cleanup)
+			_exit(0);
+		else
+			exit(0);
+	cthread_exit(0);
+}
+
+void
+PyThread_exit_thread(void)
+{
+	do_PyThread_exit_thread(0);
+}
+
+void
+PyThread__exit_thread(void)
+{
+	do_PyThread_exit_thread(1);
+}
+
+#ifndef NO_EXIT_PROG
+static
+void do_PyThread_exit_prog(int status, int no_cleanup)
+{
+	dprintf(("PyThread_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
+PyThread_exit_prog(int status)
+{
+	do_PyThread_exit_prog(status, 0);
+}
+
+void
+PyThread__exit_prog(int status)
+{
+	do_PyThread_exit_prog(status, 1);
+}
+#endif /* NO_EXIT_PROG */
+
+/*
+ * Lock support.
+ */
+PyThread_type_lock
+PyThread_allocate_lock(void)
+{
+	mutex_t lock;
+
+	dprintf(("PyThread_allocate_lock called\n"));
+	if (!initialized)
+		PyThread_init_thread();
+
+	lock = mutex_alloc();
+	if (mutex_init(lock)) {
+		perror("mutex_init");
+		free((void *) lock);
+		lock = 0;
+	}
+	dprintf(("PyThread_allocate_lock() -> %p\n", lock));
+	return (PyThread_type_lock) lock;
+}
+
+void
+PyThread_free_lock(PyThread_type_lock lock)
+{
+	dprintf(("PyThread_free_lock(%p) called\n", lock));
+	mutex_free(lock);
+}
+
+int
+PyThread_acquire_lock(PyThread_type_lock lock, int waitflag)
+{
+	int success = FALSE;
+
+	dprintf(("PyThread_acquire_lock(%p, %d) called\n", lock, waitflag));
+	if (waitflag) { 	/* blocking */
+		mutex_lock((mutex_t)lock);
+		success = TRUE;
+	} else {		/* non blocking */
+		success = mutex_try_lock((mutex_t)lock);
+	}
+	dprintf(("PyThread_acquire_lock(%p, %d) -> %d\n", lock, waitflag, success));
+	return success;
+}
+
+void
+PyThread_release_lock(PyThread_type_lock lock)
+{
+	dprintf(("PyThread_release_lock(%p) called\n", lock));
+	mutex_unlock((mutex_t )lock);
+}