mariadb/ut/ut0auxconf_atomic_pthread_t_gcc.c
vasil 25aea25a45 branches/zip:
Add comment and copyright notice to the aux config program.
2009-04-17 22:22:33 +00:00

43 lines
1.4 KiB
C

/*****************************************************************************
Copyright (c) 2009, Innobase Oy. All Rights Reserved.
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
*****************************************************************************/
/*****************************************************************************
If this program compiles, then pthread_t objects can be used as arguments
to GCC atomic builtin functions.
Created March 5, 2009 Vasil Dimov
*****************************************************************************/
#include <pthread.h>
#include <string.h>
int
main(int argc, char** argv)
{
pthread_t x1;
pthread_t x2;
pthread_t x3;
memset(&x1, 0x0, sizeof(x1));
memset(&x2, 0x0, sizeof(x2));
memset(&x3, 0x0, sizeof(x3));
__sync_bool_compare_and_swap(&x1, x2, x3);
return(0);
}