manager: we are not interested in SIGPIPE/SIGTTIN

[elogind.git] / main.c

diff --git a/main.c b/main.c
index 68a90210839f127748f29d465d35966cf7d79185..7dbcc90d5ebff9ae9695883782af49ddb7777975 100644 (file)
--- a/main.c
+++ b/main.c
@@ -127,6 +127,10 @@ static void install_crash_handler(void) {
         sa.sa_flags = SA_NODEFER;
 
         assert_se(sigaction(SIGSEGV, &sa, NULL) == 0);
+        assert_se(sigaction(SIGILL, &sa, NULL) == 0);
+        assert_se(sigaction(SIGFPE, &sa, NULL) == 0);
+        assert_se(sigaction(SIGBUS, &sa, NULL) == 0);
+        assert_se(sigaction(SIGQUIT, &sa, NULL) == 0);
         assert_se(sigaction(SIGABRT, &sa, NULL) == 0);
 }
 
@@ -383,6 +387,10 @@ int main(int argc, char *argv[]) {
         /* Reset all signal handlers. */
         assert_se(reset_all_signal_handlers() == 0);
 
+        /* If we are init, we can block sigkill. Yay. */
+        signal(SIGKILL, SIG_IGN);
+        signal(SIGPIPE, SIG_IGN);
+
         /* Close all open files */
         assert_se(close_all_fds(NULL, 0) == 0);
 
@@ -427,7 +435,8 @@ int main(int argc, char *argv[]) {
         log_open_syslog();
         log_open_kmsg();
 
-        /* Make sure we leave a core dump */
+        /* Make sure we leave a core dump without panicing the
+         * kernel. */
         if (getpid() == 1)
                 install_crash_handler();