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-rw-r--r--src/threadsafety.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/threadsafety.h b/src/threadsafety.h
index bb988dfdfd..942aa3fdcd 100644
--- a/src/threadsafety.h
+++ b/src/threadsafety.h
@@ -6,6 +6,8 @@
#ifndef BITCOIN_THREADSAFETY_H
#define BITCOIN_THREADSAFETY_H
+#include <mutex>
+
#ifdef __clang__
// TL;DR Add GUARDED_BY(mutex) to member variables. The others are
// rarely necessary. Ex: int nFoo GUARDED_BY(cs_foo);
@@ -54,4 +56,19 @@
#define ASSERT_EXCLUSIVE_LOCK(...)
#endif // __GNUC__
+// StdMutex provides an annotated version of std::mutex for us,
+// and should only be used when sync.h Mutex/LOCK/etc are not usable.
+class LOCKABLE StdMutex : public std::mutex
+{
+};
+
+// StdLockGuard provides an annotated version of std::lock_guard for us,
+// and should only be used when sync.h Mutex/LOCK/etc are not usable.
+class SCOPED_LOCKABLE StdLockGuard : public std::lock_guard<StdMutex>
+{
+public:
+ explicit StdLockGuard(StdMutex& cs) EXCLUSIVE_LOCK_FUNCTION(cs) : std::lock_guard<StdMutex>(cs) {}
+ ~StdLockGuard() UNLOCK_FUNCTION() {}
+};
+
#endif // BITCOIN_THREADSAFETY_H