michael@0: /*
michael@0:  * Copyright 2012 Google Inc.
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: #include "SkThreadUtils.h"
michael@0: #include "SkThreadUtils_pthread.h"
michael@0: 
michael@0: #include <mach/mach.h>
michael@0: #include <mach/thread_policy.h>
michael@0: #include <pthread.h>
michael@0: 
michael@0: bool SkThread::setProcessorAffinity(unsigned int processor) {
michael@0:     SkThread_PThreadData* pthreadData = static_cast<SkThread_PThreadData*>(fData);
michael@0:     if (!pthreadData->fValidPThread) {
michael@0:         return false;
michael@0:     }
michael@0: 
michael@0:     mach_port_t tid = pthread_mach_thread_np(pthreadData->fPThread);
michael@0: 
michael@0:     thread_affinity_policy_data_t policy;
michael@0:     policy.affinity_tag = processor;
michael@0: 
michael@0:     return 0 == thread_policy_set(tid,
michael@0:                                   THREAD_AFFINITY_POLICY,
michael@0:                                   (thread_policy_t) &policy,
michael@0:                                   THREAD_AFFINITY_POLICY_COUNT);
michael@0: }