mirror of
https://github.com/MariaDB/server.git
synced 2025-01-15 19:42:28 +01:00
47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
|
/* Copyright (C) 2006 MySQL AB
|
||
|
|
|
||
|
|
This program is free software; you can redistribute it and/or modify
|
||
|
|
it under the terms of the GNU General Public License as published by
|
||
|
|
the Free Software Foundation; either version 2 of the License, or
|
||
|
|
(at your option) any later version.
|
||
|
|
|
||
|
|
This program is distributed in the hope that it will be useful,
|
||
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
GNU General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU General Public License
|
||
|
|
along with this program; if not, write to the Free Software
|
||
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
|
||
|
|
|
||
|
|
#ifndef atomic_rwlock_init
|
||
|
|
|
||
|
|
#ifdef MY_ATOMIC_EXTRA_DEBUG
|
||
|
|
#ifndef MY_ATOMIC_MODE_RWLOCKS
|
||
|
|
#error MY_ATOMIC_EXTRA_DEBUG can be only used with MY_ATOMIC_MODE_RWLOCKS
|
||
|
|
#endif
|
||
|
|
#define LOCK_PTR void *rw;
|
||
|
|
#else
|
||
|
|
#define LOCK_PTR
|
||
|
|
#endif
|
||
|
|
|
||
|
|
typedef volatile struct {uint8 val; LOCK_PTR} my_atomic_8_t;
|
||
|
|
typedef volatile struct {uint16 val; LOCK_PTR} my_atomic_16_t;
|
||
|
|
typedef volatile struct {uint32 val; LOCK_PTR} my_atomic_32_t;
|
||
|
|
typedef volatile struct {uint64 val; LOCK_PTR} my_atomic_64_t;
|
||
|
|
|
||
|
|
#ifndef MY_ATOMIC_MODE_RWLOCKS
|
||
|
|
#include "atomic/nolock.h"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef my_atomic_rwlock_init
|
||
|
|
#include "atomic/rwlock.h"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define MY_ATOMIC_OK 0
|
||
|
|
#define MY_ATOMIC_NOT_1CPU 1
|
||
|
|
extern int my_atomic_initialize();
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|