support: fix tsan false alarm in timer_manager class

Author: frankist

lib/support/timers.cpp

@@ -12,6 +12,10 @@
 #include "cameron314/concurrentqueue.h"
 #include "srsran/srslog/srslog.h"
 
+#ifdef ENABLE_TSAN
+#include "sanitizer/tsan_interface.h"
+#endif
+
 using namespace srsran;
 
 /// Timer Wheel configuration parameters.
@@ -70,18 +74,30 @@ class timer_manager::unique_timer_pool
 public:
   unique_timer_pool(timer_manager& parent, unsigned capacity) : free_list(capacity) {}
 
-  void push(timer_manager::timer_frontend* obj) { free_list.enqueue(obj); }
+  void push(timer_manager::timer_frontend* obj)
+  {
+#ifdef ENABLE_TSAN
+    __tsan_release((void*)obj);
+#endif
+    free_list.enqueue(obj);
+  }
 
   timer_manager::timer_frontend* pop()
   {
     timer_manager::timer_frontend* ret;
     if (free_list.try_dequeue(ret)) {
+#ifdef ENABLE_TSAN
+      __tsan_acquire((void*)ret);
+#endif
       return ret;
     }
     return nullptr;
   }
 
-  size_t size_approx() const { return free_list.size_approx(); }
+  size_t size_approx() const
+  {
+    return free_list.size_approx();
+  }
 
 private:
   // List of timer_handle objects in timer_list that are currently not allocated.