michael@0: /*
michael@0:  * Copyright 2013 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 "SkTLS.h"
michael@0: 
michael@0: #include <pthread.h>
michael@0: 
michael@0: static pthread_key_t gSkTLSKey;
michael@0: static pthread_once_t gSkTLSKey_Once = PTHREAD_ONCE_INIT;
michael@0: 
michael@0: static void sk_tls_make_key() {
michael@0:     (void)pthread_key_create(&gSkTLSKey, SkTLS::Destructor);
michael@0: }
michael@0: 
michael@0: void* SkTLS::PlatformGetSpecific(bool forceCreateTheSlot) {
michael@0:     // should we use forceCreateTheSlot to potentially skip calling pthread_once
michael@0:     // and just return NULL if we've never been called with
michael@0:     // forceCreateTheSlot==true ?
michael@0: 
michael@0:     (void)pthread_once(&gSkTLSKey_Once, sk_tls_make_key);
michael@0:     return pthread_getspecific(gSkTLSKey);
michael@0: }
michael@0: 
michael@0: void SkTLS::PlatformSetSpecific(void* ptr) {
michael@0:     (void)pthread_setspecific(gSkTLSKey, ptr);
michael@0: }