mingw: correct exit-code for SIGALRM's SIG_DFL
Make sure SIG_DFL for SIGALRM exits with 128 + SIGALRM so other processes can diagnose why it exits. While we're at it, make sure we only write to stderr if it's a terminal, and change the output to match that of Linux. Signed-off-by: Erik Faye-Lund <kusmabite@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Erik Faye-Lund committed
Dec 4, 2012 at 09:10 UTC
f4f549892ac686a9adcf3cb72bee1a11c0566c88
1 file changed
+5
-2
compat/mingw.c
+5
-2
@@ -1560,8 +1560,11 @@ static sig_handler_t timer_fn = SIG_DFL;
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static unsigned __stdcall ticktack(void *dummy)
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{
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while (WaitForSingleObject(timer_event, timer_interval) == WAIT_TIMEOUT) {
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- if (timer_fn == SIG_DFL)
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- die("Alarm");
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+ if (timer_fn == SIG_DFL) {
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+ if (isatty(STDERR_FILENO))
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+ fputs("Alarm clock\n", stderr);
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+ exit(128 + SIGALRM);
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+ }
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if (timer_fn != SIG_IGN)
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timer_fn(SIGALRM);
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if (one_shot)