assert/logging: Stop the logging thread and flush the backends before crashing

Co-Authored-By: SachinVin <26602104+SachinVin@users.noreply.github.com>

2 files changed, 20 insertions, 0 deletions

diff --git a/src/common/logging/backend.cpp b/src/common/logging/backend.cpp
index d4f27197c..7a267f8c0 100644
--- a/src/common/logging/backend.cpp
+++ b/src/common/logging/backend.cpp
@@ -208,6 +208,10 @@ public:
         instance->StartBackendThread();
     }
 
+    static void Stop() {
+        instance->StopBackendThread();
+    }
+
     Impl(const Impl&) = delete;
     Impl& operator=(const Impl&) = delete;
 
@@ -259,6 +263,15 @@ private:
         });
     }
 
+    void StopBackendThread() {
+        backend_thread.request_stop();
+        if (backend_thread.joinable()) {
+            backend_thread.join();
+        }
+
+        ForEachBackend([](Backend& backend) { backend.Flush(); });
+    }
+
     Entry CreateEntry(Class log_class, Level log_level, const char* filename, unsigned int line_nr,
                       const char* function, std::string&& message) const {
         using std::chrono::duration_cast;
@@ -313,6 +326,10 @@ void Start() {
     Impl::Start();
 }
 
+void Stop() {
+    Impl::Stop();
+}
+
 void DisableLoggingInTests() {
     initialization_in_progress_suppress_logging = true;
 }
diff --git a/src/common/logging/backend.h b/src/common/logging/backend.h
index 12e5e2498..2a9926e9e 100644
--- a/src/common/logging/backend.h
+++ b/src/common/logging/backend.h
@@ -14,6 +14,9 @@ void Initialize();
 
 void Start();
 
+/// Explicitly stops the logger thread and flushes the buffers
+void Stop();
+
 void DisableLoggingInTests();
 
 /**