rte_per_lcore.h File Reference

#include <pthread.h>

Go to the source code of this file.

Macros
#define	RTE_DEFINE_PER_LCORE(type, name)   __thread __typeof__(type) per_lcore_##name
#define	RTE_DECLARE_PER_LCORE(type, name)   extern __thread __typeof__(type) per_lcore_##name
#define	RTE_PER_LCORE(name)   (per_lcore_##name)

Detailed Description

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.

Definition in file rte_per_lcore.h.

Macro Definition Documentation

RTE_DEFINE_PER_LCORE

#define RTE_DEFINE_PER_LCORE	(		type,
			name
	)		__thread __typeof__(type) per_lcore_##name

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.

Examples:

examples/performance-thread/common/lthread_sched.c, and examples/performance-thread/l3fwd-thread/main.c.

Definition at line 32 of file rte_per_lcore.h.

RTE_DECLARE_PER_LCORE

#define RTE_DECLARE_PER_LCORE	(		type,
			name
	)		extern __thread __typeof__(type) per_lcore_##name

Macro to declare an extern per lcore variable "var" of type "type"

Definition at line 38 of file rte_per_lcore.h.

RTE_PER_LCORE

#define RTE_PER_LCORE

(

name

)

(per_lcore_##name)

Read/write the per-lcore variable value

Examples:

examples/performance-thread/l3fwd-thread/main.c.

Definition at line 44 of file rte_per_lcore.h.