[Python-checkins] r75570 - in python/trunk: Lib/test/test_threading.py Misc/ACKS Misc/NEWS Modules/main.c Python/pythonrun.c
antoine.pitrou
python-checkins at python.org
Tue Oct 20 23:29:38 CEST 2009
Author: antoine.pitrou
Date: Tue Oct 20 23:29:37 2009
New Revision: 75570
Log:
Issue #1722344: threading._shutdown() is now called in Py_Finalize(), which
fixes the problem of some exceptions being thrown at shutdown when the
interpreter is killed. Patch by Adam Olsen.
Modified:
python/trunk/Lib/test/test_threading.py
python/trunk/Misc/ACKS
python/trunk/Misc/NEWS
python/trunk/Modules/main.c
python/trunk/Python/pythonrun.c
Modified: python/trunk/Lib/test/test_threading.py
==============================================================================
--- python/trunk/Lib/test/test_threading.py (original)
+++ python/trunk/Lib/test/test_threading.py Tue Oct 20 23:29:37 2009
@@ -306,6 +306,30 @@
self.assertFalse(rc == 2, "interpreted was blocked")
self.assertTrue(rc == 0, "Unexpected error")
+ def test_join_nondaemon_on_shutdown(self):
+ # Issue 1722344
+ # Raising SystemExit skipped threading._shutdown
+ import subprocess
+ p = subprocess.Popen([sys.executable, "-c", """if 1:
+ import threading
+ from time import sleep
+
+ def child():
+ sleep(1)
+ # As a non-daemon thread we SHOULD wake up and nothing
+ # should be torn down yet
+ print "Woke up, sleep function is:", sleep
+
+ threading.Thread(target=child).start()
+ raise SystemExit
+ """],
+ stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE)
+ stdout, stderr = p.communicate()
+ self.assertEqual(stdout, "Woke up, sleep function is: <built-in function sleep>\n")
+ self.assertEqual(stderr, "")
+
+
def test_enumerate_after_join(self):
# Try hard to trigger #1703448: a thread is still returned in
Modified: python/trunk/Misc/ACKS
==============================================================================
--- python/trunk/Misc/ACKS (original)
+++ python/trunk/Misc/ACKS Tue Oct 20 23:29:37 2009
@@ -540,6 +540,7 @@
Tim O'Malley
Pascal Oberndoerfer
Jeffrey Ollie
+Adam Olsen
Grant Olson
Piet van Oostrum
Jason Orendorff
Modified: python/trunk/Misc/NEWS
==============================================================================
--- python/trunk/Misc/NEWS (original)
+++ python/trunk/Misc/NEWS Tue Oct 20 23:29:37 2009
@@ -12,6 +12,10 @@
Core and Builtins
-----------------
+- Issue #1722344: threading._shutdown() is now called in Py_Finalize(), which
+ fixes the problem of some exceptions being thrown at shutdown when the
+ interpreter is killed. Patch by Adam Olsen.
+
- Issue #7168: Document PyFloat_AsString and PyFloat_AsReprString, and
note that they are unsafe and deprecated.
Modified: python/trunk/Modules/main.c
==============================================================================
--- python/trunk/Modules/main.c (original)
+++ python/trunk/Modules/main.c Tue Oct 20 23:29:37 2009
@@ -222,33 +222,6 @@
}
-/* Wait until threading._shutdown completes, provided
- the threading module was imported in the first place.
- The shutdown routine will wait until all non-daemon
- "threading" threads have completed. */
-#include "abstract.h"
-static void
-WaitForThreadShutdown(void)
-{
-#ifdef WITH_THREAD
- PyObject *result;
- PyThreadState *tstate = PyThreadState_GET();
- PyObject *threading = PyMapping_GetItemString(tstate->interp->modules,
- "threading");
- if (threading == NULL) {
- /* threading not imported */
- PyErr_Clear();
- return;
- }
- result = PyObject_CallMethod(threading, "_shutdown", "");
- if (result == NULL)
- PyErr_WriteUnraisable(threading);
- else
- Py_DECREF(result);
- Py_DECREF(threading);
-#endif
-}
-
/* Main program */
int
@@ -624,8 +597,6 @@
sts = PyRun_AnyFileFlags(stdin, "<stdin>", &cf) != 0;
}
- WaitForThreadShutdown();
-
Py_Finalize();
#ifdef RISCOS
if (Py_RISCOSWimpFlag)
Modified: python/trunk/Python/pythonrun.c
==============================================================================
--- python/trunk/Python/pythonrun.c (original)
+++ python/trunk/Python/pythonrun.c Tue Oct 20 23:29:37 2009
@@ -17,6 +17,7 @@
#include "ast.h"
#include "eval.h"
#include "marshal.h"
+#include "abstract.h"
#ifdef HAVE_SIGNAL_H
#include <signal.h>
@@ -61,6 +62,7 @@
PyCompilerFlags *);
static void err_input(perrdetail *);
static void initsigs(void);
+static void wait_for_thread_shutdown(void);
static void call_sys_exitfunc(void);
static void call_ll_exitfuncs(void);
extern void _PyUnicode_Init(void);
@@ -390,6 +392,8 @@
if (!initialized)
return;
+ wait_for_thread_shutdown();
+
/* The interpreter is still entirely intact at this point, and the
* exit funcs may be relying on that. In particular, if some thread
* or exit func is still waiting to do an import, the import machinery
@@ -1666,6 +1670,32 @@
#include "pythread.h"
#endif
+/* Wait until threading._shutdown completes, provided
+ the threading module was imported in the first place.
+ The shutdown routine will wait until all non-daemon
+ "threading" threads have completed. */
+static void
+wait_for_thread_shutdown(void)
+{
+#ifdef WITH_THREAD
+ PyObject *result;
+ PyThreadState *tstate = PyThreadState_GET();
+ PyObject *threading = PyMapping_GetItemString(tstate->interp->modules,
+ "threading");
+ if (threading == NULL) {
+ /* threading not imported */
+ PyErr_Clear();
+ return;
+ }
+ result = PyObject_CallMethod(threading, "_shutdown", "");
+ if (result == NULL)
+ PyErr_WriteUnraisable(threading);
+ else
+ Py_DECREF(result);
+ Py_DECREF(threading);
+#endif
+}
+
#define NEXITFUNCS 32
static void (*exitfuncs[NEXITFUNCS])(void);
static int nexitfuncs = 0;
More information about the Python-checkins
mailing list