diff options
| author | Victor Stinner <victor.stinner@gmail.com> | 2012-08-09 00:43:41 (GMT) |
|---|---|---|
| committer | Victor Stinner <victor.stinner@gmail.com> | 2012-08-09 00:43:41 (GMT) |
| commit | 3cc635dabb0780914d51cdfad57912608196d099 (patch) | |
| tree | 8be430ea009f9fa872daf0dda14ce31d3b94ca45 /Modules/faulthandler.c | |
| parent | 652e758fc41c953c5235f389e7dbb481bc915f0a (diff) | |
| download | cpython-3cc635dabb0780914d51cdfad57912608196d099.zip cpython-3cc635dabb0780914d51cdfad57912608196d099.tar.gz cpython-3cc635dabb0780914d51cdfad57912608196d099.tar.bz2 | |
faulthandler: fix the handler of user signals
Restore the errno before calling the previous signal handler, and not after.
Diffstat (limited to 'Modules/faulthandler.c')
| -rw-r--r-- | Modules/faulthandler.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/Modules/faulthandler.c b/Modules/faulthandler.c index 469e490..4aa9124 100644 --- a/Modules/faulthandler.c +++ b/Modules/faulthandler.c @@ -659,17 +659,22 @@ faulthandler_user(int signum) #ifdef HAVE_SIGACTION if (user->chain) { (void)sigaction(signum, &user->previous, NULL); + errno = save_errno; + /* call the previous signal handler */ raise(signum); + + save_errno = errno; (void)faulthandler_register(signum, user->chain, NULL); + errno = save_errno; } #else if (user->chain) { + errno = save_errno; /* call the previous signal handler */ user->previous(signum); } #endif - errno = save_errno; } static int |