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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>
maint
Erik Faye-Lund 2012-12-04 09:10:37 +01:00 committed by Junio C Hamano
parent f94c3251e1
commit f4f549892a
1 changed files with 5 additions and 2 deletions
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7
compat/mingw.c
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@ -1560,8 +1560,11 @@ static sig_handler_t timer_fn = SIG_DFL;
static unsigned __stdcall ticktack(void *dummy) static unsigned __stdcall ticktack(void *dummy)
{ {
while (WaitForSingleObject(timer_event, timer_interval) == WAIT_TIMEOUT) { while (WaitForSingleObject(timer_event, timer_interval) == WAIT_TIMEOUT) {
if (timer_fn == SIG_DFL) if (timer_fn == SIG_DFL) {
die("Alarm"); if (isatty(STDERR_FILENO))
fputs("Alarm clock\n", stderr);
exit(128 + SIGALRM);
}
if (timer_fn != SIG_IGN) if (timer_fn != SIG_IGN)
timer_fn(SIGALRM); timer_fn(SIGALRM);
if (one_shot) if (one_shot)