PFS_atomic Class Reference

#include <pfs_atomic.h>

Static Public Member Functions
static void	init ()
static void	cleanup ()
static int32	load_32 (volatile int32 *ptr)
static int64	load_64 (volatile int64 *ptr)
static uint32	load_u32 (volatile uint32 *ptr)
static uint64	load_u64 (volatile uint64 *ptr)
static void	store_32 (volatile int32 *ptr, int32 value)
static void	store_64 (volatile int64 *ptr, int64 value)
static void	store_u32 (volatile uint32 *ptr, uint32 value)
static void	store_u64 (volatile uint64 *ptr, uint64 value)
static int32	add_32 (volatile int32 *ptr, int32 value)
static int64	add_64 (volatile int64 *ptr, int64 value)
static uint32	add_u32 (volatile uint32 *ptr, uint32 value)
static uint64	add_u64 (volatile uint64 *ptr, uint64 value)
static bool	cas_32 (volatile int32 *ptr, int32 *old_value, int32 new_value)
static bool	cas_64 (volatile int64 *ptr, int64 *old_value, int64 new_value)
static bool	cas_u32 (volatile uint32 *ptr, uint32 *old_value, uint32 new_value)
static bool	cas_u64 (volatile uint64 *ptr, uint64 *old_value, uint64 new_value)

Detailed Description

Helper for atomic operations.

Definition at line 27 of file pfs_atomic.h.

Member Function Documentation

static int32 PFS_atomic::add_32 ( volatile int32 *  ptr, int32  value  )

inlinestatic

Atomic add.

Definition at line 108 of file pfs_atomic.h.

static int64 PFS_atomic::add_64 ( volatile int64 *  ptr, int64  value  )

inlinestatic

Atomic add.

Definition at line 118 of file pfs_atomic.h.

static uint32 PFS_atomic::add_u32 ( volatile uint32 *  ptr, uint32  value  )

inlinestatic

Atomic add.

Definition at line 128 of file pfs_atomic.h.

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static uint64 PFS_atomic::add_u64 ( volatile uint64 *  ptr, uint64  value  )

inlinestatic

Atomic add.

Definition at line 138 of file pfs_atomic.h.

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static bool PFS_atomic::cas_32 ( volatile int32 *  ptr, int32 *  old_value, int32  new_value  )

inlinestatic

Atomic compare and swap.

Definition at line 148 of file pfs_atomic.h.

static bool PFS_atomic::cas_64 ( volatile int64 *  ptr, int64 *  old_value, int64  new_value  )

inlinestatic

Atomic compare and swap.

Definition at line 159 of file pfs_atomic.h.

static bool PFS_atomic::cas_u32 ( volatile uint32 *  ptr, uint32 *  old_value, uint32  new_value  )

inlinestatic

Atomic compare and swap.

Definition at line 170 of file pfs_atomic.h.

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static bool PFS_atomic::cas_u64 ( volatile uint64 *  ptr, uint64 *  old_value, uint64  new_value  )

inlinestatic

Atomic compare and swap.

Definition at line 182 of file pfs_atomic.h.

void PFS_atomic::cleanup ( void  )

static

Cleanup the PFS_atomic component.

Definition at line 71 of file pfs_atomic.cc.

void PFS_atomic::init ( void  )

static

Initialise the PFS_atomic component.

Definition at line 63 of file pfs_atomic.cc.

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static int32 PFS_atomic::load_32 ( volatile int32 *  ptr )

inlinestatic

Atomic load.

Definition at line 36 of file pfs_atomic.h.

static int64 PFS_atomic::load_64 ( volatile int64 *  ptr )

inlinestatic

Atomic load.

Definition at line 46 of file pfs_atomic.h.

static uint32 PFS_atomic::load_u32 ( volatile uint32 *  ptr )

inlinestatic

Atomic load.

Definition at line 56 of file pfs_atomic.h.

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static uint64 PFS_atomic::load_u64 ( volatile uint64 *  ptr )

inlinestatic

Atomic load.

Definition at line 66 of file pfs_atomic.h.

static void PFS_atomic::store_32 ( volatile int32 *  ptr, int32  value  )

inlinestatic

Atomic store.

Definition at line 76 of file pfs_atomic.h.

static void PFS_atomic::store_64 ( volatile int64 *  ptr, int64  value  )

inlinestatic

Atomic store.

Definition at line 84 of file pfs_atomic.h.

static void PFS_atomic::store_u32 ( volatile uint32 *  ptr, uint32  value  )

inlinestatic

Atomic store.

Definition at line 92 of file pfs_atomic.h.

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static void PFS_atomic::store_u64 ( volatile uint64 *  ptr, uint64  value  )

inlinestatic

Atomic store.

Definition at line 100 of file pfs_atomic.h.

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The documentation for this class was generated from the following files:

• storage/perfschema/pfs_atomic.h
• storage/perfschema/pfs_atomic.cc