Handle SIGTERM sent to sway

This makes sway handle and gracefully shut down everything when
receiving a SIGTERM.

Fix #416

1 files changed, 8 insertions, 0 deletions

diff --git a/sway/main.c b/sway/main.c
index 382e7ca2..37681f2d 100644
--- a/sway/main.c
+++ b/sway/main.c
@@ -26,6 +26,11 @@ void sway_terminate(void) {
         wlc_terminate();
 }
 
+void sig_handler(int signal) {
+        close_views(&root_container);
+        sway_terminate();
+}
+
 static void wlc_log_handler(enum wlc_log_type type, const char *str) {
         if (type == WLC_LOG_ERROR) {
                 sway_log(L_ERROR, "[wlc] %s", str);
@@ -176,6 +181,9 @@ int main(int argc, char **argv) {
         }
         register_extensions();
 
+        // handle SIGTERM signals
+        signal(SIGTERM, sig_handler);
+
 #if defined SWAY_GIT_VERSION && defined SWAY_GIT_BRANCH && defined SWAY_VERSION_DATE
         sway_log(L_INFO, "Starting sway version %s (%s, branch \"%s\")\n", SWAY_GIT_VERSION, SWAY_VERSION_DATE, SWAY_GIT_BRANCH);
 #endif