mariadb/include/atomic/nolock.h
unknown 948caab031 support for xadd emulation, workaround for Darwin
include/atomic/nolock.h:
  support for xadd emulation
include/atomic/x86-msvc.h:
  syntax error
include/my_atomic.h:
  support for xadd emulation, cleanup
mysys/my_atomic.c:
  assert
2006-06-29 15:39:53 +02:00

43 lines
1.2 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 */
#if defined(__i386__) || defined(_M_IX86)
#ifdef MY_ATOMIC_MODE_DUMMY
# define LOCK ""
#else
# define LOCK "lock"
#endif
#ifdef __GNUC__
#include "x86-gcc.h"
#elif defined(_MSC_VER)
#include "x86-msvc.h"
#endif
#endif
#ifdef make_atomic_cas_body
typedef struct { } my_atomic_rwlock_t;
#define my_atomic_rwlock_destroy(name)
#define my_atomic_rwlock_init(name)
#define my_atomic_rwlock_rdlock(name)
#define my_atomic_rwlock_wrlock(name)
#define my_atomic_rwlock_rdunlock(name)
#define my_atomic_rwlock_wrunlock(name)
#endif