kill compiler warning on write(2)

4 years ago · d44759fd25
parent ac683e21d2
commit d44759fd25
1 changed files with 5 additions and 2 deletions
--- a/src/demo/input.c
+++ b/src/demo/input.c
@ -66,9 +66,12 @@ pass_along(const ncinput* ni){
  enqueue = &nq->next;
  pthread_mutex_unlock(&lock);
  const uint64_t eventcount = 1;
-  write(input_eventfd, &eventcount, sizeof(eventcount));
+  int ret = 0;
+  if(write(input_eventfd, &eventcount, sizeof(eventcount)) < 0){
+    ret = -1;
+  }
  pthread_cond_signal(&cond);
-  return 0;
+  return ret;
 }

 static int