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// 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::ConvertUsecToMillisRoundUp;
SbConditionVariableResult SbConditionVariableWaitTimed(
SbConditionVariable* condition,
SbMutex* mutex,
int64_t timeout) {
if (!condition || !mutex) {
return kSbConditionVariableFailed;
}
if (timeout < 0) {
timeout = 0;
}
bool result = SleepConditionVariableSRW(
SB_WIN32_INTERNAL_CONDITION(condition), SB_WIN32_INTERNAL_MUTEX(mutex),
ConvertUsecToMillisRoundUp(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;
}