ScopeRunner::stop now returns if count is already negative

2017-07-20 18:32:35 +02:00 · 2017-07-20 18:32:35 +02:00 · e3789b6d4d
commit e3789b6d4d
parent 474fab90f3
2 changed files with 4 additions and 0 deletions
--- a/utility.hpp
+++ b/utility.hpp
@ -289,6 +289,8 @@ namespace SimpleWeb {
    void stop() {
      long expected = 0;
      while(!count.compare_exchange_weak(expected, -1)) {
+        if(expected < 0)
+          return;
        expected = 0;
        spin_loop_pause();
      }