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authorCharles-François Natali <neologix@free.fr>2012-02-02 18:57:19 (GMT)
committerCharles-François Natali <neologix@free.fr>2012-02-02 18:57:19 (GMT)
commite0e88b0483d73c925e8f1809d24031acd6bfdf01 (patch)
tree97a5539362d668c1ee9f9a0e1dacd20d3786f54d /Modules
parentda6db4f8b0fd3de3a5adc6b8f856e80bfda0d40a (diff)
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Issue #13817: After fork(), reinit the ad-hoc TLS implementation earlier to fix
a random deadlock when fork() is called in a multithreaded process in debug mode, and make PyOS_AfterFork() more robust.
Diffstat (limited to 'Modules')
-rw-r--r--Modules/signalmodule.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/Modules/signalmodule.c b/Modules/signalmodule.c
index f306bba..908c2ee 100644
--- a/Modules/signalmodule.c
+++ b/Modules/signalmodule.c
@@ -976,10 +976,12 @@ void
PyOS_AfterFork(void)
{
#ifdef WITH_THREAD
+ /* PyThread_ReInitTLS() must be called early, to make sure that the TLS API
+ * can be called safely. */
+ PyThread_ReInitTLS();
PyEval_ReInitThreads();
main_thread = PyThread_get_thread_ident();
main_pid = getpid();
_PyImport_ReInitLock();
- PyThread_ReInitTLS();
#endif
}