/* Copyright (C) 2008 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; version 2 of the License. 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 */#define make_atomic_add_body(S) \ v= __sync_fetch_and_add(a, v);#define make_atomic_swap_body(S) \ v= __sync_lock_test_and_set(a, v);#define make_atomic_cas_body(S) \ int ## S sav; \ sav= __sync_val_compare_and_swap(a, *cmp, set); \ if (!(ret= (sav == *cmp))) *cmp= sav;#ifdef MY_ATOMIC_MODE_DUMMY#define make_atomic_load_body(S) ret= *a#define make_atomic_store_body(S) *a= v#else#define make_atomic_load_body(S) \ ret= __sync_fetch_and_or(a, 0);#define make_atomic_store_body(S) \ (void) __sync_lock_test_and_set(a, v);#endif