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Skip signal handler re-installation if it is not necessary. Issue 8354.

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This commit is contained in:
Jean-Paul Calderone 2010-05-08 20:06:02 +00:00
parent 0712b5651a
commit e54ddf1ed2
4 changed files with 86 additions and 17 deletions
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4
Python/pythonrun.c
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@ -1862,6 +1862,10 @@ PyOS_sighandler_t
PyOS_setsig(int sig, PyOS_sighandler_t handler)
{
#ifdef HAVE_SIGACTION
/* Some code in Modules/signalmodule.c depends on sigaction() being
* used here if HAVE_SIGACTION is defined. Fix that if this code
* changes to invalidate that assumption.
*/
struct sigaction context, ocontext;
context.sa_handler = handler;
sigemptyset(&context.sa_mask);