The Tor Browser: gfx/skia/trunk/src/utils/SkThreadUtils_pthread

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     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  */

     8 #include "SkThreadUtils.h"

     9 #include "SkThreadUtils_pthread.h"

    11 #include <mach/mach.h>

    12 #include <mach/thread_policy.h>

    13 #include <pthread.h>

    15 bool SkThread::setProcessorAffinity(unsigned int processor) {

    16     SkThread_PThreadData* pthreadData = static_cast<SkThread_PThreadData*>(fData);

    17     if (!pthreadData->fValidPThread) {

    18         return false;

    19     }

    21     mach_port_t tid = pthread_mach_thread_np(pthreadData->fPThread);

    23     thread_affinity_policy_data_t policy;

    24     policy.affinity_tag = processor;

    26     return 0 == thread_policy_set(tid,

    27                                   THREAD_AFFINITY_POLICY,

    28                                   (thread_policy_t) &policy,

    29                                   THREAD_AFFINITY_POLICY_COUNT);

    30 }

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