blob: 44e158919b3a301078537994b5a5bdcd966b440c [file] [log] [blame]
// Copyright 2017 Google Inc. 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/thread.h"
#include "starboard/condition_variable.h"
#include "starboard/mutex.h"
#include "starboard/shared/win32/thread_private.h"
using starboard::shared::win32::SbThreadPrivate;
bool SbThreadJoin(SbThread thread, void** out_return) {
if (thread == kSbThreadInvalid) {
return false;
}
SbThreadPrivate* thread_private = static_cast<SbThreadPrivate*>(thread);
SbMutexAcquire(&thread_private->mutex_);
if (!thread_private->wait_for_join_) {
// Thread has already been detached.
SbMutexRelease(&thread_private->mutex_);
return false;
}
while (!thread_private->result_is_valid_) {
SbConditionVariableWait(&thread_private->condition_,
&thread_private->mutex_);
}
thread_private->wait_for_join_ = false;
SbConditionVariableSignal(&thread_private->condition_);
if (out_return != NULL) {
*out_return = thread_private->result_;
}
SbMutexRelease(&thread_private->mutex_);
return true;
}