DPDK  24.07.0
Macros
rte_per_lcore.h File Reference

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Macros

#define RTE_DEFINE_PER_LCORE(type, name)   __thread type per_lcore_##name
 
#define RTE_DECLARE_PER_LCORE(type, name)   extern __thread 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 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/ipsec-secgw/sad.c.

Definition at line 37 of file rte_per_lcore.h.

◆ RTE_DECLARE_PER_LCORE

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

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

Definition at line 43 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/ipsec-secgw/sad.c.

Definition at line 50 of file rte_per_lcore.h.