Fixing counting_semaphore::signal

elfring · Apr 1, 2014 · d7caa30 · d7caa30
1 parent e603bdd
commit d7caa30
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/hpx/lcos/local/counting_semaphore.hpp b/hpx/lcos/local/counting_semaphore.hpp
@@ -125,8 +125,9 @@ namespace hpx { namespace lcos { namespace local
             template <typename Lock>
             void signal_locked(boost::int64_t count, Lock& l)
             {
+                // release no more threads than we get resources
                 value_ += count;
-                while (value_ >= 0)
+                for (boost::int64_t i = 0; value_ >= 0 && i < count; ++i)
                 {
                     if (!cond_.notify_one(l))
                         break;