spsc-queue: use std::condition_variable

Model-checker doesn't support <condition_variable> header yet.

diff --git a/spsc-queue/eventcount.h b/spsc-queue/eventcount.h
index bf1f511a7fb3ec4249a2400b6c6ab8640448bacd..4390cc5b0e3737c58c1087e6825dbf5ffbd2d4bd 100644 (file)
--- a/spsc-queue/eventcount.h
+++ b/spsc-queue/eventcount.h
@@ -1,6 +1,7 @@
 #include <unrelacy.h>
 #include <atomic>
 #include <mutex>
+#include <condition_variable>
 
 class eventcount
 {
@@ -49,7 +50,7 @@ private:
        std::atomic<unsigned> count;
        rl::var<unsigned> waiters;
        std::mutex guard;
-       condition_variable_any cv;
+       std::condition_variable_any cv;
 
        void signal_impl(unsigned cmp)
        {