--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/python-2.6.1/Python/thread_pth.h	Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,213 @@
+
+/* GNU pth threads interface
+   http://www.gnu.org/software/pth
+   2000-05-03 Andy Dustman <andy@dustman.net>
+
+   Adapted from Posix threads interface 
+   12 May 1997 -- david arnold <davida@pobox.com>
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <pth.h>
+
+/* A pth mutex isn't sufficient to model the Python lock type
+ * because pth mutexes can be acquired multiple times by the
+ * same thread.
+ *
+ * The pth_lock struct implements a Python lock as a "locked?" bit
+ * and a <condition, mutex> pair.  In general, if the bit can be acquired
+ * instantly, it is, else the pair is used to block the thread until the
+ * bit is cleared.
+ */
+
+typedef struct {
+	char             locked; /* 0=unlocked, 1=locked */
+	/* a <cond, mutex> pair to handle an acquire of a locked lock */
+	pth_cond_t   lock_released;
+	pth_mutex_t  mut;
+} pth_lock;
+
+#define CHECK_STATUS(name)  if (status == -1) { printf("%d ", status); perror(name); error = 1; }
+
+pth_attr_t PyThread_attr;
+
+/*
+ * Initialization.
+ */
+
+static void PyThread__init_thread(void)
+{
+	pth_init();
+	PyThread_attr = pth_attr_new();
+	pth_attr_set(PyThread_attr, PTH_ATTR_STACK_SIZE, 1<<18);
+	pth_attr_set(PyThread_attr, PTH_ATTR_JOINABLE, FALSE);
+}
+
+/*
+ * Thread support.
+ */
+
+
+long PyThread_start_new_thread(void (*func)(void *), void *arg)
+{
+	pth_t th;
+	dprintf(("PyThread_start_new_thread called\n"));
+	if (!initialized)
+		PyThread_init_thread();
+
+	th = pth_spawn(PyThread_attr,
+				 (void* (*)(void *))func,
+				 (void *)arg
+				 );
+
+	return th;
+}
+
+long PyThread_get_thread_ident(void)
+{
+	volatile pth_t threadid;
+	if (!initialized)
+		PyThread_init_thread();
+	/* Jump through some hoops for Alpha OSF/1 */
+	threadid = pth_self();
+	return (long) *(long *) &threadid;
+}
+
+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);
+	}
+}
+
+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);
+}
+
+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)
+{
+	pth_lock *lock;
+	int status, error = 0;
+
+	dprintf(("PyThread_allocate_lock called\n"));
+	if (!initialized)
+		PyThread_init_thread();
+
+	lock = (pth_lock *) malloc(sizeof(pth_lock));
+        memset((void *)lock, '\0', sizeof(pth_lock));
+	if (lock) {
+		lock->locked = 0;
+		status = pth_mutex_init(&lock->mut);
+		CHECK_STATUS("pth_mutex_init");
+		status = pth_cond_init(&lock->lock_released);
+		CHECK_STATUS("pth_cond_init");
+		if (error) {
+			free((void *)lock);
+			lock = NULL;
+		}
+	}
+	dprintf(("PyThread_allocate_lock() -> %p\n", lock));
+	return (PyThread_type_lock) lock;
+}
+
+void PyThread_free_lock(PyThread_type_lock lock)
+{
+	pth_lock *thelock = (pth_lock *)lock;
+
+	dprintf(("PyThread_free_lock(%p) called\n", lock));
+
+	free((void *)thelock);
+}
+
+int PyThread_acquire_lock(PyThread_type_lock lock, int waitflag)
+{
+	int success;
+	pth_lock *thelock = (pth_lock *)lock;
+	int status, error = 0;
+
+	dprintf(("PyThread_acquire_lock(%p, %d) called\n", lock, waitflag));
+
+	status = pth_mutex_acquire(&thelock->mut, !waitflag, NULL);
+	CHECK_STATUS("pth_mutex_acquire[1]");
+	success = thelock->locked == 0;
+        if (success) thelock->locked = 1;
+        status = pth_mutex_release( &thelock->mut );
+        CHECK_STATUS("pth_mutex_release[1]");
+
+        if ( !success && waitflag ) {
+                /* continue trying until we get the lock */
+
+                /* mut must be locked by me -- part of the condition
+                 * protocol */
+                status = pth_mutex_acquire( &thelock->mut, !waitflag, NULL );
+                CHECK_STATUS("pth_mutex_acquire[2]");
+                while ( thelock->locked ) {
+                        status = pth_cond_await(&thelock->lock_released,
+                                                &thelock->mut, NULL);
+                        CHECK_STATUS("pth_cond_await");
+                }
+                thelock->locked = 1;
+                status = pth_mutex_release( &thelock->mut );
+                CHECK_STATUS("pth_mutex_release[2]");
+                success = 1;
+        }
+        if (error) success = 0;
+        dprintf(("PyThread_acquire_lock(%p, %d) -> %d\n", lock, waitflag, success));
+	return success;
+}
+
+void PyThread_release_lock(PyThread_type_lock lock)
+{
+        pth_lock *thelock = (pth_lock *)lock;
+        int status, error = 0;
+
+        dprintf(("PyThread_release_lock(%p) called\n", lock));
+
+        status = pth_mutex_acquire( &thelock->mut, 0, NULL );
+        CHECK_STATUS("pth_mutex_acquire[3]");
+
+        thelock->locked = 0;
+
+        status = pth_mutex_release( &thelock->mut );
+        CHECK_STATUS("pth_mutex_release[3]");
+
+        /* wake up someone (anyone, if any) waiting on the lock */
+        status = pth_cond_notify( &thelock->lock_released, 0 );
+        CHECK_STATUS("pth_cond_notify");
+}