1 // Copyright 2020 The Pigweed Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not 4 // use this file except in compliance with the License. You may obtain a copy of 5 // the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12 // License for the specific language governing permissions and limitations under 13 // the License. 14 #pragma once 15 16 #include "pw_sync/mutex.h" 17 18 namespace pw::sync { 19 Mutex()20inline Mutex::Mutex() : native_type_() {} 21 lock()22inline void Mutex::lock() { 23 native_handle().lock(); 24 native_type_.SetLockedState(true); 25 } 26 try_lock()27inline bool Mutex::try_lock() { 28 if (native_handle().try_lock()) { 29 native_type_.SetLockedState(true); 30 return true; 31 } 32 return false; 33 } 34 unlock()35inline void Mutex::unlock() { 36 native_type_.SetLockedState(false); 37 native_handle().unlock(); 38 } 39 40 // Return a std::timed_mutex instead of the customized NativeMutex class. native_handle()41inline Mutex::native_handle_type Mutex::native_handle() { 42 return native_type_.mutex; 43 } 44 45 } // namespace pw::sync 46