Patch from till busch <buti@gmx.at> -- unblock all signals

in exec_signal() before calling exec()

diff --git a/init/init.c b/init/init.c
index f109c4ea5732a5b9574eb39eb70ecd1b065c70f3..e4812538d0a79c38cabb7e29841b7c8b619f16dc 100644 (file)
--- a/init/init.c
+++ b/init/init.c
@@ -758,10 +758,26 @@ static void shutdown_system(void)
 static void exec_signal(int sig)
 {
        struct init_action *a, *tmp;
+       sigset_t unblock_signals;
+       
        for (a = init_action_list; a; a = tmp) {
                tmp = a->next;
                if (a->action & RESTART) {
                        shutdown_system();
+
+                       /* unblock all signals, blocked in shutdown_system() */
+                       sigemptyset(&unblock_signals);
+                       sigaddset(&unblock_signals, SIGHUP);
+                       sigaddset(&unblock_signals, SIGCHLD);
+                       sigaddset(&unblock_signals, SIGUSR1);
+                       sigaddset(&unblock_signals, SIGUSR2);
+                       sigaddset(&unblock_signals, SIGINT);
+                       sigaddset(&unblock_signals, SIGTERM);
+                       sigaddset(&unblock_signals, SIGCONT);
+                       sigaddset(&unblock_signals, SIGSTOP);
+                       sigaddset(&unblock_signals, SIGTSTP);
+                       sigprocmask(SIG_UNBLOCK, &unblock_signals, NULL);
+
                        message(CONSOLE|LOG, "\rTrying to re-exec %s\n", a->command);
                        execl(a->command, a->command, NULL);