| // 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/common/condition_variable.h" |
| |
| #include <windows.h> |
| |
| #include "starboard/shared/win32/time_utils.h" |
| #include "starboard/shared/win32/types_internal.h" |
| |
| using starboard::shared::win32::ConvertSbTimeToMillisRoundUp; |
| |
| SbConditionVariableResult SbConditionVariableWaitTimed( |
| SbConditionVariable* condition, |
| SbMutex* mutex, |
| SbTime timeout) { |
| if (!condition || !mutex) { |
| return kSbConditionVariableFailed; |
| } |
| |
| if (timeout < 0) { |
| timeout = 0; |
| } |
| bool result = SleepConditionVariableSRW( |
| SB_WIN32_INTERNAL_CONDITION(condition), SB_WIN32_INTERNAL_MUTEX(mutex), |
| ConvertSbTimeToMillisRoundUp(timeout), 0); |
| |
| if (timeout == 0) { |
| // Per documentation, "If the |timeout_duration| value is less than |
| // or equal to zero, the function returns as quickly as possible with a |
| // kSbConditionVariableTimedOut result." |
| return kSbConditionVariableTimedOut; |
| } |
| |
| if (result) { |
| return kSbConditionVariableSignaled; |
| } |
| |
| if (GetLastError() == ERROR_TIMEOUT) { |
| return kSbConditionVariableTimedOut; |
| } |
| return kSbConditionVariableFailed; |
| } |