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| author | Denys Vlasenko <vda.linux@googlemail.com> | 2013-07-28 23:17:00 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2013-07-28 23:17:00 +0200 |
| commit | 2641426187550fb2ba10f249a97e994fec26848a (patch) | |
| tree | adfe6f097444fadfef38b5867e29ac30df176d64 /sysklogd | |
| parent | fd3ac96c0f7806fbc90ff02b305b0ef51894f3db (diff) | |
| download | busybox-2641426187550fb2ba10f249a97e994fec26848a.tar.gz | |
logread: intercept all fatal signals, not just SIGINT
function old new delta
interrupted 27 20 -7
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'sysklogd')
| -rw-r--r-- | sysklogd/logread.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/sysklogd/logread.c b/sysklogd/logread.c index 993956904..2b6415f47 100644 --- a/sysklogd/logread.c +++ b/sysklogd/logread.c @@ -52,7 +52,7 @@ struct globals { static void error_exit(const char *str) NORETURN; static void error_exit(const char *str) { - //release all acquired resources + /* Release all acquired resources */ shmdt(shbuf); bb_perror_msg_and_die(str); } @@ -66,11 +66,10 @@ static void sem_up(int semid) error_exit("semop[SMrup]"); } -static void interrupted(int sig UNUSED_PARAM) +static void interrupted(int sig) { - signal(SIGINT, SIG_IGN); shmdt(shbuf); - exit(EXIT_SUCCESS); + kill_myself_with_sig(sig); } int logread_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; @@ -96,7 +95,7 @@ int logread_main(int argc UNUSED_PARAM, char **argv) if (log_semid == -1) error_exit("can't get access to semaphores for syslogd buffer"); - signal(SIGINT, interrupted); + bb_signals(BB_FATAL_SIGS, interrupted); /* Suppose atomic memory read */ /* Max possible value for tail is shbuf->size - 1 */ |