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/*
* Copyright (C) 2009 Tobias Brunner
* Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#define _GNU_SOURCE
#include <pthread.h>
#include <library.h>
#include "thread_value.h"
typedef struct private_thread_value_t private_thread_value_t;
struct private_thread_value_t {
/**
* Public interface.
*/
thread_value_t public;
/**
* Key to access thread-specific values.
*/
pthread_key_t key;
};
/**
* Implementation of thread_value_t.set.
*/
static void set(private_thread_value_t *this, void *val)
{
pthread_setspecific(this->key, val);
}
/**
* Implementation of thread_value_t.get.
*/
static void *get(private_thread_value_t *this)
{
return pthread_getspecific(this->key);
}
/**
* Implementation of thread_value_t.destroy.
*/
static void destroy(private_thread_value_t *this)
{
pthread_key_delete(this->key);
free(this);
}
/**
* Described in header.
*/
thread_value_t *thread_value_create(thread_cleanup_t destructor)
{
private_thread_value_t *this = malloc_thing(private_thread_value_t);
this->public.set = (void(*)(thread_value_t*,void*))set;
this->public.get = (void*(*)(thread_value_t*))get;
this->public.destroy = (void(*)(thread_value_t*))destroy;
pthread_key_create(&this->key, destructor);
return &this->public;
}
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