Ignore signals in all but the main thread.

[tinc] / src / process.c

diff --git a/src/process.c b/src/process.c
index c1ad81f..e6b108f 100644 (file)
--- a/src/process.c
+++ b/src/process.c
@@ -342,6 +342,14 @@ bool execute_script(const char *name, char **envp) {
 */
 
 #ifndef HAVE_MINGW
+static RETSIGTYPE sigterm_handler(int a) {
+       logger(LOG_NOTICE, "Got %s signal", "TERM");
+       if(running)
+               running = false;
+       else
+               exit(1);
+}
+
 static RETSIGTYPE fatal_signal_square(int a) {
        logger(LOG_ERR, "Got another fatal signal %d (%s): not restarting.", a,
                   strsignal(a));
@@ -382,11 +390,15 @@ static struct {
        int signal;
        void (*handler)(int);
 } sighandlers[] = {
+       {SIGTERM, sigterm_handler},
+       {SIGQUIT, sigterm_handler},
+       {SIGINT, sigterm_handler},
        {SIGSEGV, fatal_signal_handler},
        {SIGBUS, fatal_signal_handler},
        {SIGILL, fatal_signal_handler},
        {SIGPIPE, ignore_signal_handler},
        {SIGCHLD, ignore_signal_handler},
+       {SIGALRM, ignore_signal_handler},
        {0, NULL}
 };
 #endif