Bugzilla bug 119340: install a SIGTERM handler on Linux for debugging.

security/nss/cmd/selfserv/selfserv.c

@@ -1374,6 +1374,17 @@ WaitForDebugger(void)
 }
 #endif
 
+#ifdef LINUX  /* bug 119340 */
+#include <signal.h>
+
+static void sigterm_handler(int signum)
+{
+    static char err_msg[] = "selfserv: received SIGTERM\n";
+    write(2, err_msg, sizeof(err_msg) - 1);
+    _exit(1);
+}
+#endif /* LINUX */
+
 int
 main(int argc, char **argv)
 {
@@ -1400,6 +1411,17 @@ main(int argc, char **argv)
     PLOptState		*optstate;
     PLOptStatus          status;
     PRThread             *loggerThread;
+#ifdef LINUX  /* bug 119340 */
+    struct sigaction     act;
+
+    act.sa_handler = sigterm_handler;
+    sigemptyset(&act.sa_mask);
+    act.sa_flags = 0;
+    if (sigaction(SIGTERM, &act, NULL) == -1) {
+        fprintf(stderr, "selfserv: sigaction failed: %d\n", errno);
+        exit(1);
+    }
+#endif /* LINUX */
 
 
     tmp = strrchr(argv[0], '/');