Check for the presence of stdatomic.h before using it.

[meshlink] / src / event.c

diff --git a/src/event.c b/src/event.c
index 43e4e0401d941601b0ffc3818720655a0edc505c..a7c1f25a3f3b9b05edd94a6ee579b818dd5b3412 100644 (file)
--- a/src/event.c
+++ b/src/event.c
@@ -199,7 +199,9 @@ static void signalio_handler(event_loop_t *loop, void *data, int flags) {
        });
 
        if(sig) {
+#ifdef HAVE_STDATOMIC_H
                atomic_flag_clear(&sig->set);
+#endif
                sig->cb(loop, sig->data);
        }
 }
@@ -224,10 +226,14 @@ static void pipe_exit(event_loop_t *loop) {
 }
 
 void signal_trigger(event_loop_t *loop, signal_t *sig) {
+#ifdef HAVE_STDATOMIC_H
+
        if(atomic_flag_test_and_set(&sig->set)) {
                return;
        }
 
+#endif
+
        uint8_t signum = sig->signum;
        write(loop->pipefd[1], &signum, 1);
        return;
@@ -241,7 +247,9 @@ void signal_add(event_loop_t *loop, signal_t *sig, signal_cb_t cb, void *data, u
        sig->signum = signum;
        sig->node.data = sig;
 
+#ifdef HAVE_STDATOMIC_H
        atomic_flag_clear(&sig->set);
+#endif
 
        if(loop->pipefd[0] == -1) {
                pipe_init(loop);
@@ -311,7 +319,7 @@ bool event_loop_run(event_loop_t *loop, pthread_mutex_t *mutex) {
                }
 
                // release mesh mutex during select
-               assert(pthread_mutex_unlock(mutex) == 0);
+               pthread_mutex_unlock(mutex);
 
 #ifdef HAVE_PSELECT
                int n = pselect(fds, &readable, &writable, NULL, &ts, NULL);
@@ -320,7 +328,9 @@ bool event_loop_run(event_loop_t *loop, pthread_mutex_t *mutex) {
                int n = select(fds, &readable, &writable, NULL, (struct timeval *)&tv);
 #endif
 
-               assert(pthread_mutex_lock(mutex) == 0);
+               if(pthread_mutex_lock(mutex) != 0) {
+                       abort();
+               }
 
                clock_gettime(EVENT_CLOCK, &loop->now);