| 1 | //===-- condition_variable_linux.h ------------------------------*- C++ -*-===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #ifndef SCUDO_CONDITION_VARIABLE_LINUX_H_ |
| 10 | #define SCUDO_CONDITION_VARIABLE_LINUX_H_ |
| 11 | |
| 12 | #include "platform.h" |
| 13 | |
| 14 | #if SCUDO_LINUX |
| 15 | |
| 16 | #include "atomic_helpers.h" |
| 17 | #include "condition_variable_base.h" |
| 18 | #include "thread_annotations.h" |
| 19 | |
| 20 | namespace scudo { |
| 21 | |
| 22 | class ConditionVariableLinux |
| 23 | : public ConditionVariableBase<ConditionVariableLinux> { |
| 24 | public: |
| 25 | void notifyAllImpl(HybridMutex &M) REQUIRES(M); |
| 26 | |
| 27 | void waitImpl(HybridMutex &M) REQUIRES(M); |
| 28 | |
| 29 | private: |
| 30 | u32 LastNotifyAll = 0; |
| 31 | atomic_u32 Counter = {}; |
| 32 | }; |
| 33 | |
| 34 | } // namespace scudo |
| 35 | |
| 36 | #endif // SCUDO_LINUX |
| 37 | |
| 38 | #endif // SCUDO_CONDITION_VARIABLE_LINUX_H_ |
| 39 |