add overrun reset function

include/spdlog/details/mpmc_blocking_q.h

@@ -116,6 +116,12 @@ public:
         return q_.size();
     }
 
+    void reset_overrun_counter()
+    {
+        std::unique_lock<std::mutex> lock(queue_mutex_);
+        q_.reset_overrun_counter();
+    }
+
 private:
     std::mutex queue_mutex_;
     std::condition_variable push_cv_;

include/spdlog/details/thread_pool-inl.h

@@ -75,6 +75,11 @@ size_t SPDLOG_INLINE thread_pool::overrun_counter()
     return q_.overrun_counter();
 }
 
+void SPDLOG_INLINE thread_pool::reset_overrun_counter()
+{
+    q_.reset_overrun_counter();
+}
+
 size_t SPDLOG_INLINE thread_pool::queue_size()
 {
     return q_.size();

include/spdlog/details/thread_pool.h

@@ -97,6 +97,7 @@ public:
     void post_log(async_logger_ptr &&worker_ptr, const details::log_msg &msg, async_overflow_policy overflow_policy);
     void post_flush(async_logger_ptr &&worker_ptr, async_overflow_policy overflow_policy);
     size_t overrun_counter();
+    void reset_overrun_counter();
     size_t queue_size();
 
 private: