context in async factory

include/spdlog/async.h

@@ -21,6 +21,7 @@
 #include "./async_logger.h"
 #include "./details/context.h"
 #include "./details/thread_pool.h"
+#include "spdlog.h"
 
 namespace spdlog {
 
@@ -35,15 +36,14 @@ template <async_overflow_policy OverflowPolicy = async_overflow_policy::block>
 struct async_factory_impl {
     template <typename Sink, typename... SinkArgs>
     static std::shared_ptr<async_logger> create(std::string logger_name, SinkArgs &&...args) {
-        auto &registry_inst = details::context::instance();
-
+        auto context = spdlog::context();
         // create global thread pool if not already exists
-        auto &mutex = registry_inst.tp_mutex();
+        auto &mutex = context->tp_mutex();
         std::lock_guard<std::recursive_mutex> tp_lock(mutex);
-        auto tp = registry_inst.get_tp();
+        auto tp = context->get_tp();
         if (tp == nullptr) {
             tp = std::make_shared<details::thread_pool>(details::default_async_q_size, 1U);
-            registry_inst.set_tp(tp);
+            context->set_tp(tp);
         }
 
         auto sink = std::make_shared<Sink>(std::forward<SinkArgs>(args)...);
@@ -71,7 +71,7 @@ inline void init_thread_pool(size_t q_size,
                              std::function<void()> on_thread_start,
                              std::function<void()> on_thread_stop) {
     auto tp = std::make_shared<details::thread_pool>(q_size, thread_count, on_thread_start, on_thread_stop);
-    details::context::instance().set_tp(std::move(tp));
+    spdlog::context()->set_tp(std::move(tp));
 }
 
 inline void init_thread_pool(size_t q_size, size_t thread_count, std::function<void()> on_thread_start) {
@@ -83,5 +83,5 @@ inline void init_thread_pool(size_t q_size, size_t thread_count) {
 }
 
 // get the global thread pool.
-inline std::shared_ptr<spdlog::details::thread_pool> thread_pool() { return details::context::instance().get_tp(); }
+inline std::shared_ptr<spdlog::details::thread_pool> thread_pool() { return spdlog::context()->get_tp(); }
 }  // namespace spdlog

include/spdlog/details/context.h

@@ -23,7 +23,6 @@ class thread_pool;
 
 class SPDLOG_API context {
 public:
-    static context &instance();
     context();
     ~context();
     context(const context &) = delete;

src/details/context.cpp

@@ -69,10 +69,5 @@ void context::shutdown() {
 
 std::recursive_mutex &context::tp_mutex() { return tp_mutex_; }
 
-context &context::instance() {
-    static context s_instance;
-    return s_instance;
-}
-
 }  // namespace details
 }  // namespace spdlog