a6071e0880
Make one global thread pool instead of a thread pool for each eventhandler (i.e. isolate). Also: * Added handler function for thread pool tasks. * Added thread pool shutdown. * Added a simple test. R=ager@google.com BUG= TEST= Review URL: http://codereview.chromium.org//9112013 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@3079 260f80e4-7a28-3924-810f-c04153c831b5
39 lines
997 B
C++
39 lines
997 B
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "bin/thread_pool.h"
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void ThreadPool::InsertTask(Task task) {
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TaskQueueEntry* entry = new TaskQueueEntry(task);
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queue_.Insert(entry);
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}
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Task ThreadPool::WaitForTask() {
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TaskQueueEntry* entry = queue_.Remove();
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if (entry == NULL) {
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return NULL;
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}
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Task task = entry->task();
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delete entry;
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return task;
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}
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void* ThreadPool::Main(void* args) {
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if (Dart_IsVMFlagSet("trace_thread_pool")) {
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printf("Thread pool thread started\n");
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}
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ThreadPool* pool = reinterpret_cast<ThreadPool*>(args);
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while (!pool->terminate_) {
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if (Dart_IsVMFlagSet("trace_thread_pool")) {
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printf("Waiting for task\n");
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}
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Task task = pool->WaitForTask();
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if (pool->terminate_) return NULL;
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(*(pool->task_handler_))(task);
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}
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return NULL;
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};
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