checksum.c File Reference

#include "postgres.h"
#include "port/pg_cpu.h"
#include "storage/checksum.h"
#include "storage/checksum_impl.h"
#include "storage/checksum_block_internal.h"

Include dependency graph for checksum.c:

Go to the source code of this file.

Macros
#define	PG_CHECKSUM_INTERNAL

Functions
static uint32	pg_checksum_block_fallback (const PGChecksummablePage *page)
static uint32	pg_checksum_choose (const PGChecksummablePage *page)

Variables
static uint32(*	pg_checksum_block )(const PGChecksummablePage *page) = pg_checksum_choose

Macro Definition Documentation

PG_CHECKSUM_INTERNAL

#define PG_CHECKSUM_INTERNAL

Definition at line 26 of file checksum.c.

Function Documentation

pg_checksum_block_fallback()

static uint32 pg_checksum_block_fallback ( const PGChecksummablePage *  page )

static

Definition at line 31 of file checksum.c.

{
#include "storage/checksum_block_internal.h"
}

Referenced by pg_checksum_choose().

pg_checksum_choose()

static uint32 pg_checksum_choose ( const PGChecksummablePage *  page )

static

Definition at line 52 of file checksum.c.

{
    pg_checksum_block = pg_checksum_block_fallback;
 
#ifdef USE_AVX2_WITH_RUNTIME_CHECK
    if (x86_feature_available(PG_AVX2))
        pg_checksum_block = pg_checksum_block_avx2;
#endif
 
    return pg_checksum_block(page);
}

References fb(), pg_checksum_block, and pg_checksum_block_fallback().

Variable Documentation

pg_checksum_block

uint32(* pg_checksum_block) (const PGChecksummablePage *page) ( const PGChecksummablePage *  page ) = pg_checksum_choose

static

Definition at line 64 of file checksum.c.

Referenced by pg_checksum_choose(), and pg_checksum_page().