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Diffstat (limited to 'base/worker_pool.cc')
-rw-r--r-- | base/worker_pool.cc | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/base/worker_pool.cc b/base/worker_pool.cc new file mode 100644 index 0000000..e70edad --- /dev/null +++ b/base/worker_pool.cc @@ -0,0 +1,57 @@ +// Copyright 2008, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include "base/worker_pool.h" + +#include "base/logging.h" + +namespace { + +DWORD CALLBACK WorkItemCallback(void* param) { + Task* task = static_cast<Task*>(param); + task->Run(); + WorkerPool::RecycleTask(task); + return 0; +} + +} // namespace + +bool WorkerPool::Run(Task* task, bool slow) { + ULONG flags = 0; + if (slow) + flags |= WT_EXECUTELONGFUNCTION; + + if (!QueueUserWorkItem(WorkItemCallback, task, flags)) { + DLOG(ERROR) << "QueueUserWorkItem failed: " << GetLastError(); + RecycleTask(task); + return false; + } + + return true; +} |