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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2010-2014 Intel Corporation
*/
#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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