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79 lines
2.2 KiB
79 lines
2.2 KiB
/*-------------------------------------------------------------------------
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* drawElements Thread Library
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* ---------------------------
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*
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* Copyright 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*//*!
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* \file
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* \brief Unix implementation of thread-local storage.
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*//*--------------------------------------------------------------------*/
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#include "deThreadLocal.h"
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#if (DE_OS == DE_OS_UNIX || DE_OS == DE_OS_OSX || DE_OS == DE_OS_ANDROID || DE_OS == DE_OS_SYMBIAN || DE_OS == DE_OS_IOS || DE_OS == DE_OS_QNX)
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#if !defined(_XOPEN_SOURCE) || (_XOPEN_SOURCE < 500)
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# error You are using too old posix API!
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#endif
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#include <pthread.h>
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DE_STATIC_ASSERT(sizeof(pthread_key_t) <= sizeof(deThreadLocal));
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/* \note 0 is valid pthread_key_t, but not valid for deThreadLocal */
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DE_INLINE deThreadLocal keyToThreadLocal (pthread_key_t key)
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{
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return (deThreadLocal)(key + 1);
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}
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DE_INLINE pthread_key_t threadLocalToKey (deThreadLocal threadLocal)
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{
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DE_ASSERT(threadLocal != 0);
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return (pthread_key_t)(threadLocal - 1);
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}
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deThreadLocal deThreadLocal_create (void)
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{
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pthread_key_t key = (pthread_key_t)0;
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if (pthread_key_create(&key, DE_NULL) != 0)
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return 0;
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return keyToThreadLocal(key);
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}
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void deThreadLocal_destroy (deThreadLocal threadLocal)
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{
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int ret = 0;
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ret = pthread_key_delete(threadLocalToKey(threadLocal));
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DE_ASSERT(ret == 0);
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DE_UNREF(ret);
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}
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void* deThreadLocal_get (deThreadLocal threadLocal)
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{
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return pthread_getspecific(threadLocalToKey(threadLocal));
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}
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void deThreadLocal_set (deThreadLocal threadLocal, void* value)
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{
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int ret = 0;
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ret = pthread_setspecific(threadLocalToKey(threadLocal), value);
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DE_ASSERT(ret == 0);
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DE_UNREF(ret);
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}
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#endif /* DE_OS */
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