1 files changed, 5 insertions, 2 deletions

diff --git a/opentracker.c b/opentracker.c
index ab4a934..e0f16d7 100644
--- a/opentracker.c
+++ b/opentracker.c
@@ -49,7 +49,9 @@ static void         panic(const char *routine) {
   exit(111);
 }
 
-/* Say we are stopping, wake the loop, and let main do the work on its own stack. */
+/* Say we are stopping, wake the loop, and let main do the work on its own
+   stack. Everything other than SIGINT falls through and does nothing, which
+   is what OT_SIGNAL_WAKE wants: returning from the read is all it is for. */
 static void signal_handler(int s) {
   if (s == SIGINT) {
     const char byte  = 0;
@@ -85,7 +87,8 @@ static void install_signal_handlers(void) {
   sa.sa_handler = signal_handler;
   sigemptyset(&sa.sa_mask);
   sa.sa_flags = 0;
-  if ((sigaction(SIGINT, &sa, NULL) == -1) || (sigaction(SIGALRM, &sa, NULL) == -1))
+  if ((sigaction(SIGINT, &sa, NULL) == -1) || (sigaction(SIGALRM, &sa, NULL) == -1) ||
+      (sigaction(OT_SIGNAL_WAKE, &sa, NULL) == -1))
     panic("install_signal_handlers");
 
   sigaddset(&signal_mask, SIGINT);