1 /* 2 * Copyright 2012 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #include "SkThreadUtils.h" 9 #include "SkThreadUtils_pthread.h" 10 11 #include <mach/mach.h> 12 #include <mach/thread_policy.h> 13 #include <pthread.h> 14 15 bool SkThread::setProcessorAffinity(unsigned int processor) { 16 SkThread_PThreadData* pthreadData = static_cast<SkThread_PThreadData*>(fData); 17 if (!pthreadData->fValidPThread) { 18 return false; 19 } 20 21 mach_port_t tid = pthread_mach_thread_np(pthreadData->fPThread); 22 23 thread_affinity_policy_data_t policy; 24 policy.affinity_tag = processor; 25 26 return 0 == thread_policy_set(tid, 27 THREAD_AFFINITY_POLICY, 28 (thread_policy_t) &policy, 29 THREAD_AFFINITY_POLICY_COUNT); 30 } 31
