blob: adacc11eece5d7a3566e1218124137f36a38f73f [file] [log] [blame]
// Copyright 2018 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/shared/starboard/player/job_thread.h"
#include "starboard/log.h"
namespace starboard {
namespace shared {
namespace starboard {
namespace player {
namespace {
struct ThreadParam {
explicit ThreadParam(JobThread* job_thread)
: condition_variable(mutex), job_thread(job_thread) {}
Mutex mutex;
ConditionVariable condition_variable;
JobThread* job_thread;
};
} // namespace
JobThread::JobThread(const char* thread_name) {
ThreadParam thread_param(this);
thread_ =
SbThreadCreate(0, kSbThreadPriorityNormal, kSbThreadNoAffinity, true,
thread_name, &JobThread::ThreadEntryPoint, &thread_param);
SB_DCHECK(SbThreadIsValid(thread_));
ScopedLock scoped_lock(thread_param.mutex);
while (!job_queue_) {
thread_param.condition_variable.Wait();
}
SB_DCHECK(job_queue_);
}
JobThread::~JobThread() {
job_queue_->Schedule(std::bind(&JobQueue::StopSoon, job_queue_.get()));
SbThreadJoin(thread_, NULL);
}
// static
void* JobThread::ThreadEntryPoint(void* context) {
ThreadParam* param = static_cast<ThreadParam*>(context);
SB_DCHECK(param != NULL);
JobThread* job_thread = param->job_thread;
{
ScopedLock scoped_lock(param->mutex);
job_thread->job_queue_.reset(new JobQueue);
param->condition_variable.Signal();
}
job_thread->RunLoop();
return NULL;
}
void JobThread::RunLoop() {
SB_DCHECK(job_queue_->BelongsToCurrentThread());
job_queue_->RunUntilStopped();
job_queue_.reset();
}
} // namespace player
} // namespace starboard
} // namespace shared
} // namespace starboard