Fix mutex lock in read_event

diff --git a/src/procevent.c b/src/procevent.c
index 7fab655..368e7c4 100644 (file)
--- a/src/procevent.c
+++ b/src/procevent.c
@@ -803,7 +803,7 @@ static int read_event() {
   // in the ring buffer for consumption by the main polling thread.
 
   if (proc_status != -1) {
-    pthread_mutex_unlock(&procevent_lock);
+    pthread_mutex_lock(&procevent_lock);
 
     int next = ring.head + 1;
     if (next >= ring.maxLen)