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Telegram/lib_crl/crl/common/crl_common_sync.h

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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
+//
+#pragma once
+
+#include <crl/crl_semaphore.h>
+
+namespace crl {
+
+template <typename Callable>
+inline void sync(Callable &&callable) {
+	semaphore waiter;
+	async([&] {
+		const auto guard = details::finally([&] { waiter.release(); });
+		callable();
+	});
+	waiter.acquire();
+}
+
+} // namespace crl