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// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/worker_pool.h"
#include "base/task.h"
// TODO(dsh): Split this file into worker_pool_win.cc and worker_pool_posix.cc.
#if defined(OS_WIN)
namespace {
DWORD CALLBACK WorkItemCallback(void* param) {
Task* task = static_cast<Task*>(param);
task->Run();
delete task;
return 0;
}
} // namespace
bool WorkerPool::PostTask(const tracked_objects::Location& from_here,
Task* task, bool task_is_slow) {
task->SetBirthPlace(from_here);
ULONG flags = 0;
if (task_is_slow)
flags |= WT_EXECUTELONGFUNCTION;
if (!QueueUserWorkItem(WorkItemCallback, task, flags)) {
DLOG(ERROR) << "QueueUserWorkItem failed: " << GetLastError();
delete task;
return false;
}
return true;
}
#elif defined(OS_LINUX)
namespace {
void* PThreadCallback(void* param) {
Task* task = static_cast<Task*>(param);
task->Run();
delete task;
return 0;
}
} // namespace
bool WorkerPool::PostTask(const tracked_objects::Location& from_here,
Task* task, bool task_is_slow) {
task->SetBirthPlace(from_here);
pthread_t thread;
pthread_attr_t attr;
// POSIX does not have a worker thread pool implementation. For now we just
// create a thread for each task, and ignore |task_is_slow|.
// TODO(dsh): Implement thread reuse.
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
int err = pthread_create(&thread, &attr, PThreadCallback, task);
pthread_attr_destroy(&attr);
if (err) {
DLOG(ERROR) << "pthread_create failed: " << err;
delete task;
return false;
}
return true;
}
#endif // OS_LINUX
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