src/hotspot/os/linux/os_linux.cpp

@@ -2750,11 +2750,11 @@
 
 static int check_pending_signals() {
   for (;;) {
     for (int i = 0; i < NSIG + 1; i++) {
       jint n = pending_signals[i];
-      if (n > 0 && n == Atomic::cmpxchg(n - 1, &pending_signals[i], n)) {
+      if (n > 0 && n == Atomic::cmpxchg(&pending_signals[i], n, n - 1)) {
         return i;
       }
     }
     JavaThread *thread = JavaThread::current();
     ThreadBlockInVM tbivm(thread);