Reduce how often we have to poll the packet queue.

[meshlink] / src / event.c

diff --git a/src/event.c b/src/event.c
index af1b0d60072e2dc19080fde9136f5126d4788d7f..11f1ed817003138cf4b2a7e4a3b7e45f341e8a12 100644 (file)
--- a/src/event.c
+++ b/src/event.c
@@ -171,6 +171,7 @@ static void signalio_handler(event_loop_t *loop, void *data, int flags) {
        });
 
        if(sig) {
+               sig->set = false;
                sig->cb(loop, sig->data);
        }
 }
@@ -195,7 +196,12 @@ static void pipe_exit(event_loop_t *loop) {
 }
 
 void signal_trigger(event_loop_t *loop, signal_t *sig) {
+       if(sig->set) {
+               return;
+       }
+
        uint8_t signum = sig->signum;
+       sig->set = true;
        write(loop->pipefd[1], &signum, 1);
        return;
 }
@@ -206,6 +212,7 @@ void signal_add(event_loop_t *loop, signal_t *sig, signal_cb_t cb, void *data, u
        sig->cb = cb;
        sig->data = data;
        sig->signum = signum;
+       sig->set = false;
        sig->node.data = sig;
 
        if(loop->pipefd[0] == -1) {