1 // Copyright 2022 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 15 #include "pw_sync/mutex.h" 16 17 #include "pw_assert/check.h" 18 #include "pw_sync_stl/mutex_native.h" 19 20 namespace pw::sync { 21 ~Mutex()22Mutex::~Mutex() { 23 PW_CHECK(!native_type_.locked, "Mutex was locked when it went out of scope"); 24 } 25 26 namespace backend { 27 SetLockedState(bool new_state)28void NativeMutex::SetLockedState(bool new_state) { 29 PW_CHECK_UINT_NE(locked, 30 new_state, 31 "Called %slock(), but the mutex is already in that state", 32 new_state ? "" : "un"); 33 locked = new_state; 34 } 35 36 } // namespace backend 37 } // namespace pw::sync 38