|  | // Copyright 2017 The Cobalt Authors. All Rights Reserved. | 
|  | // | 
|  | // Licensed under the Apache License, Version 2.0 (the "License"); | 
|  | // you may not use this file except in compliance with the License. | 
|  | // You may obtain a copy of the License at | 
|  | // | 
|  | //     http://www.apache.org/licenses/LICENSE-2.0 | 
|  | // | 
|  | // Unless required by applicable law or agreed to in writing, software | 
|  | // distributed under the License is distributed on an "AS IS" BASIS, | 
|  | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
|  | // See the License for the specific language governing permissions and | 
|  | // limitations under the License. | 
|  |  | 
|  | #include "starboard/mutex.h" | 
|  |  | 
|  | #include <windows.h> | 
|  |  | 
|  | #include "starboard/common/log.h" | 
|  | #include "starboard/shared/win32/types_internal.h" | 
|  |  | 
|  | bool SbMutexCreate(SbMutex* mutex) { | 
|  | SB_COMPILE_ASSERT(sizeof(SbMutex) >= sizeof(SRWLOCK), | 
|  | srwlock_larger_than_sb_mutex); | 
|  | if (!mutex) { | 
|  | return false; | 
|  | } | 
|  | InitializeSRWLock(SB_WIN32_INTERNAL_MUTEX(mutex)); | 
|  | return true; | 
|  | } |