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Telegram/lib_crl/crl/crl_object_on_thread.cpp

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+// This file is part of Desktop App Toolkit,
+// a set of libraries for developing nice desktop applications.
+//
+// For license and copyright information please follow this link:
+// https://github.com/desktop-app/legal/blob/master/LEGAL
+//
+#include <crl/crl_object_on_thread.h>
+
+#include <crl/crl_fp_exceptions.h>
+#include <thread>
+
+namespace crl::details {
+
+thread_policy::thread_policy() {
+	std::thread([=] { run(); }).detach();
+}
+
+void thread_policy::run() {
+	toggle_fp_exceptions(true);
+
+	while (true) {
+		if (!_list.process()) {
+			break;
+		}
+		_queued.clear();
+
+		std::unique_lock<std::mutex> lock(_mutex);
+		_variable.wait(lock, [=] { return !_list.empty(); });
+	}
+}
+
+void thread_policy::wake_async() const {
+	if (!_queued.test_and_set()) {
+		std::unique_lock<std::mutex> lock(_mutex);
+		_variable.notify_one();
+	}
+}
+
+} // namespace crl::details