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-rw-r--r--support/Mutex.h66
1 files changed, 65 insertions, 1 deletions
diff --git a/support/Mutex.h b/support/Mutex.h
index d70dd7595..c398c570a 100644
--- a/support/Mutex.h
+++ b/support/Mutex.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2017-2018 ARM Limited.
+ * Copyright (c) 2017-2019 ARM Limited.
*
* SPDX-License-Identifier: MIT
*
@@ -31,6 +31,14 @@ namespace arm_compute
#ifndef NO_MULTI_THREADING
/** Wrapper of Mutex data-object */
using Mutex = std::mutex;
+
+/** Wrapper of lock_guard data-object */
+template <typename Mutex>
+using lock_guard = std::lock_guard<Mutex>;
+
+/** Wrapper of lock_guard data-object */
+template <typename Mutex>
+using unique_lock = std::unique_lock<Mutex>;
#else /* NO_MULTI_THREADING */
/** Wrapper implementation of Mutex data-object */
class Mutex
@@ -56,6 +64,62 @@ public:
return true;
}
};
+
+/** Wrapper implementation of lock-guard data-object */
+template <typename Mutex>
+class lock_guard
+{
+public:
+ typedef Mutex mutex_type;
+
+public:
+ explicit lock_guard(Mutex &m_)
+ : m(m_)
+ {
+ }
+ ~lock_guard()
+ {
+ }
+ lock_guard(const lock_guard &) = delete;
+
+private:
+ mutex_type &m;
+};
+
+/** Wrapper implementation of unique-lock data-object */
+template <typename Mutex>
+class unique_lock
+{
+public:
+ typedef Mutex mutex_type;
+
+public:
+ unique_lock() noexcept : m(nullptr)
+ {
+ }
+ explicit unique_lock(mutex_type &m)
+ : m(&m)
+ {
+ }
+ unique_lock(const unique_lock &) = delete;
+ unique_lock(unique_lock &&) = default;
+ unique_lock &operator=(const unique_lock &) = delete;
+ unique_lock &operator=(unique_lock &&) = default;
+ ~unique_lock() = default;
+ void lock()
+ {
+ }
+ bool try_lock()
+ {
+ return true;
+ }
+ void unlock()
+ {
+ }
+
+private:
+ mutex_type *m;
+};
#endif /* NO_MULTI_THREADING */
}
#endif /* __ARM_COMPUTE_MUTEX_H__ */