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/*-
* BSD LICENSE
*
* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _RTE_PER_LCORE_H_
#define _RTE_PER_LCORE_H_
/**
* @file
*
* Per-lcore variables in RTE
*
* This file defines an API for instantiating per-lcore "global
* variables" that are environment-specific. Note that in all
* environments, a "shared variable" is the default when you use a
* global variable.
*
* Parts of this are execution environment specific.
*/
#ifdef __cplusplus
extern "C" {
#endif
#include <pthread.h>
/**
* Macro to define a per lcore variable "var" of type "type", don't
* use keywords like "static" or "volatile" in type, just prefix the
* whole macro.
*/
#define RTE_DEFINE_PER_LCORE(type, name) \
__thread __typeof__(type) per_lcore_##name
/**
* Macro to declare an extern per lcore variable "var" of type "type"
*/
#define RTE_DECLARE_PER_LCORE(type, name) \
extern __thread __typeof__(type) per_lcore_##name
/**
* Read/write the per-lcore variable value
*/
#define RTE_PER_LCORE(name) (per_lcore_##name)
#ifdef __cplusplus
}
#endif
#endif /* _RTE_PER_LCORE_H_ */
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