[Python-checkins] cpython: Issue #8407: Fix pthread_sigmask() tests on Mac OS X
victor.stinner
python-checkins at python.org
Tue May 3 14:11:51 CEST 2011
http://hg.python.org/cpython/rev/d003ce770ba1
changeset: 69795:d003ce770ba1
user: Victor Stinner <victor.stinner at haypocalc.com>
date: Tue May 03 14:11:22 2011 +0200
summary:
Issue #8407: Fix pthread_sigmask() tests on Mac OS X
Disable faulthandler timeout thread on Mac OS X: it interacts with
pthread_sigmask() tests.
files:
Lib/test/test_signal.py | 15 +++++++++++++++
1 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/Lib/test/test_signal.py b/Lib/test/test_signal.py
--- a/Lib/test/test_signal.py
+++ b/Lib/test/test_signal.py
@@ -504,6 +504,21 @@
def read_sigmask():
return signal.pthread_sigmask(signal.SIG_BLOCK, [])
+ if sys.platform == "darwin":
+ import faulthandler
+ # The fault handler timeout thread masks all signals. If the main
+ # thread masks also SIGUSR1, all threads mask this signal. In this
+ # case, on Mac OS X, if we send SIGUSR1 to the process, the signal
+ # is pending in the main or the faulthandler timeout thread.
+ # Unblock SIGUSR1 in the main thread calls the signal handler only
+ # if the signal is pending for the main thread.
+ #
+ # Stop the faulthandler timeout thread to workaround this problem.
+ # Another solution would be to send the signal directly to the main
+ # thread using pthread_kill(), but Python doesn't expose this
+ # function.
+ faulthandler.cancel_dump_tracebacks_later()
+
old_handler = signal.signal(signum, handler)
self.addCleanup(signal.signal, signum, old_handler)
--
Repository URL: http://hg.python.org/cpython
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