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Issue #8407: Fix the signal handler of the signal module: if it is called

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twice, it now writes the number of the second signal into the wakeup fd.
This commit is contained in:
Victor Stinner 2011-05-25 02:35:58 +02:00
parent b45c7087aa
commit c13ef66649
2 changed files with 37 additions and 8 deletions
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9
Modules/signalmodule.c
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@ -177,17 +177,18 @@ static void
trip_signal(int sig_num)
{
unsigned char byte;
Handlers[sig_num].tripped = 1;
if (wakeup_fd != -1) {
byte = (unsigned char)sig_num;
write(wakeup_fd, &byte, 1);
}
if (is_tripped)
return;
/* Set is_tripped after setting .tripped, as it gets
cleared in PyErr_CheckSignals() before .tripped. */
is_tripped = 1;
Py_AddPendingCall(checksignals_witharg, NULL);
if (wakeup_fd != -1) {
byte = (unsigned char)sig_num;
write(wakeup_fd, &byte, 1);
}
}
static void