fixed unix signal usage in mules and spooler

core/mule.c

@@ -41,6 +41,17 @@ void uwsgi_mule(int id) {
 			uwsgi_error("prctl()");
 		}
 #endif
+
+		signal(SIGALRM, SIG_IGN);
+                signal(SIGHUP, SIG_IGN);
+                signal(SIGINT, end_me);
+                signal(SIGTERM, end_me);
+                signal(SIGUSR1, SIG_IGN);
+                signal(SIGUSR2, SIG_IGN);
+                signal(SIGPIPE, SIG_IGN);
+                signal(SIGSTOP, SIG_IGN);
+                signal(SIGTSTP, SIG_IGN);
+
 		uwsgi.muleid = id;
 		// avoid race conditions
 		uwsgi.mules[id - 1].id = id;

core/spooler.c

@@ -97,8 +97,18 @@ pid_t spooler_start(struct uwsgi_spooler * uspool) {
 		exit(1);
 	}
 	else if (pid == 0) {
+
+		signal(SIGALRM, SIG_IGN);
+                signal(SIGHUP, SIG_IGN);
+                signal(SIGINT, end_me);
+                signal(SIGTERM, end_me);
 		// USR1 will be used to wake up the spooler
 		uwsgi_unix_signal(SIGUSR1, spooler_wakeup);
+                signal(SIGUSR2, SIG_IGN);
+                signal(SIGPIPE, SIG_IGN);
+                signal(SIGSTOP, SIG_IGN);
+                signal(SIGTSTP, SIG_IGN);
+
 		uwsgi.mywid = -1;
 		uwsgi.mypid = getpid();
 		uspool->pid = uwsgi.mypid;

core/uwsgi.c

@@ -1058,6 +1058,7 @@ void uwsgi_nuclear_blast() {
 }
 
 void reap_them_all(int signum) {
+	uwsgi_log("aooo\n");
 	int i;
 
 	// avoid reace condition in lazy mode