12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667 |
- // Copyright (c) 2012 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 "sandbox/win/src/threadpool.h"
- #include <windows.h>
- #include <stddef.h>
- #include <vector>
- namespace sandbox {
- ThreadPool::ThreadPool() = default;
- ThreadPool::~ThreadPool() = default;
- bool ThreadPool::RegisterWait(const void* cookie,
- HANDLE waitable_object,
- CrossCallIPCCallback callback,
- void* context) {
- if (0 == cookie) {
- return false;
- }
- HANDLE pool_object = nullptr;
- // create a wait for a kernel object, with no timeout
- if (!::RegisterWaitForSingleObject(&pool_object, waitable_object, callback,
- context, INFINITE, WT_EXECUTEDEFAULT)) {
- return false;
- }
- PoolObject pool_obj = {cookie, pool_object};
- base::AutoLock lock(lock_);
- pool_objects_.push_back(pool_obj);
- return true;
- }
- bool ThreadPool::UnRegisterWaits(void* cookie) {
- if (0 == cookie) {
- return false;
- }
- std::vector<HANDLE> finished_waits;
- {
- base::AutoLock lock(lock_);
- PoolObjects::iterator it = pool_objects_.begin();
- while (it != pool_objects_.end()) {
- if (it->cookie == cookie) {
- HANDLE wait = it->wait;
- it = pool_objects_.erase(it);
- finished_waits.push_back(wait);
- } else {
- ++it;
- }
- }
- }
- bool success = true;
- for (HANDLE wait : finished_waits) {
- success &= (::UnregisterWaitEx(wait, INVALID_HANDLE_VALUE) != 0);
- }
- return success;
- }
- size_t ThreadPool::OutstandingWaits() {
- base::AutoLock lock(lock_);
- return pool_objects_.size();
- }
- } // namespace sandbox
|