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>

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 */