Catch exceptions from async logger. Fix #2618

include/spdlog/async_logger-inl.h

@@ -26,6 +26,8 @@ SPDLOG_INLINE spdlog::async_logger::async_logger(
 // send the log message to the thread pool
 SPDLOG_INLINE void spdlog::async_logger::sink_it_(const details::log_msg &msg)
 {
+    SPDLOG_TRY
+    {
         if (auto pool_ptr = thread_pool_.lock())
         {
             pool_ptr->post_log(shared_from_this(), msg, overflow_policy_);
@@ -34,11 +36,15 @@ SPDLOG_INLINE void spdlog::async_logger::sink_it_(const details::log_msg &msg)
         {
             throw_spdlog_ex("async log: thread pool doesn't exist anymore");
         }
+    }
+    SPDLOG_LOGGER_CATCH(msg.source)
 }
 
 // send flush request to the thread pool
 SPDLOG_INLINE void spdlog::async_logger::flush_()
 {
+    SPDLOG_TRY
+    {
         if (auto pool_ptr = thread_pool_.lock())
         {
             pool_ptr->post_flush(shared_from_this(), overflow_policy_);
@@ -47,6 +53,8 @@ SPDLOG_INLINE void spdlog::async_logger::flush_()
         {
             throw_spdlog_ex("async flush: thread pool doesn't exist anymore");
         }
+    }
+    SPDLOG_LOGGER_CATCH(source_loc())
 }
 
 //

tests/test_async.cpp

@@ -185,6 +185,14 @@ TEST_CASE("to_file multi-workers", "[async]")
             logger->info("Hello message #{}", j);
         }
     }
-
     require_message_count(TEST_FILENAME, messages);
 }
+
+TEST_CASE("bad_tp", "[async]")
+{
+    auto test_sink = std::make_shared<spdlog::sinks::test_sink_mt>();
+    std::shared_ptr<spdlog::details::thread_pool> const empty_tp;
+    auto logger = std::make_shared<spdlog::async_logger>("as", test_sink, empty_tp);
+    logger->info("Please throw an exception");
+    REQUIRE(test_sink->msg_counter() == 0);
+}