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daemon: use full buffered mode for stderr

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Windows doesn't support line buffered mode for file
streams, so let's just use full buffered mode with
a big buffer ("4096 should be enough for everyone")
and add explicit flushing.

Signed-off-by: Erik Faye-Lund <kusmabite@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Erik Faye-Lund 2010-11-04 02:35:17 +01:00 committed by Junio C Hamano
parent 30e1560230
commit 48cfaea108
1 changed files with 4 additions and 2 deletions
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6
daemon.c
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@ -67,12 +67,14 @@ static void logreport(int priority, const char *err, va_list params)
syslog(priority, "%s", buf);
} else {
/*
* Since stderr is set to linebuffered mode, the
* Since stderr is set to buffered mode, the
* logging of different processes will not overlap
* unless they overflow the (rather big) buffers.
*/
fprintf(stderr, "[%"PRIuMAX"] ", (uintmax_t)getpid());
vfprintf(stderr, err, params);
fputc('\n', stderr);
fflush(stderr);
}
}
@ -1117,7 +1119,7 @@ int main(int argc, char **argv)
set_die_routine(daemon_die);
} else
/* avoid splitting a message in the middle */
setvbuf(stderr, NULL, _IOLBF, 0);
setvbuf(stderr, NULL, _IOFBF, 4096);
if (inetd_mode && (group_name || user_name))
die("--user and --group are incompatible with --inetd");