Per-NUMA Node dynamic objects

include/smp/pernode.h View source View on GitHub

Structs

pernode_descriptor

struct pernode_descriptor {
    const char                      *name;
    size_t                          size;
    size_t                          align;
    void                            **pernode_ptrs;
    pernode_descriptor_constructor  constructor;
};

Type Aliases

pernode_descriptor_constructor

typedef void (*pernode_descriptor_constructor)(void * *, size_t);

Functions

pernode_obj_init

void pernode_obj_init(void);

Macros

PERNODE_DECLARE

#define PERNODE_DECLARE(__n, __type, __ctor) \
    extern __type __pernode_##__n; \
    static void __pernode_ctor_##__n(void *inst, size_t cpu) { \
        if ((__ctor) != NULL) \
            __ctor((__type *) inst, cpu); \
    } \
    LINKER_SECTION_OBJECT(struct pernode_descriptor, pernode_desc) \
    __pernode_desc_##__n = { \
        .name = #__n, \
        .size = sizeof(__type), \
        .align = _Alignof(__type), \
        .pernode_ptrs = NULL, \
        .constructor = __pernode_ctor_##__n, \
    }; \
    __type __pernode_##__n

PERNODE_PTR_FOR_NODE

#define PERNODE_PTR_FOR_NODE(name, d) \
    ((typeof(__pernode_##name) *) __pernode_desc_##name.pernode_ptrs[d])

PERNODE_READ_FOR_NODE

#define PERNODE_READ_FOR_NODE(name, d) \
    (*((typeof(__pernode_##name) *) PERNODE_PTR_FOR_NODE(name, d)))

PERNODE_PTR

#define PERNODE_PTR(name) PERNODE_PTR_FOR_NODE(name, node_local_id())

PERNODE_READ

#define PERNODE_READ(name) (*((typeof(__pernode_##name) *) PERNODE_PTR(name)))

PERNODE_WRITE

#define PERNODE_WRITE(name, val) (PERNODE_READ(name) = (val))

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