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/*
* File : cas.c
* Author : Jérémy Zurcher <jeremy@asynk.ch>
* Date : 2009/11/01
* License :
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include "cas.h"
#include <stdio.h>
#include <stdlib.h>
static void _check(int cond, const char *msg)
{
if(!cond)
{
fprintf(stderr,"%s\n",msg);
exit(EXIT_FAILURE);
}
}
int main( int argc, char*argv[], char*env[] )
{
int ret;
int v1, v2, v3, v4, v5;
cas_pointer_t mem, old_val, new_val;
if((int)sizeof(cas_pointer_t)==16)
{
printf("running _x86_64_ code\n");
}
if((int)sizeof(cas_pointer_t)==8)
{
printf("running i686 code\n");
}
_hi(old_val,&v1); _lo(old_val,&v2);
_hi(new_val,&v3); _lo(new_val,&v4);
_hi(mem,&v1); _lo(mem,&v2);
ret = cas(&mem, old_val, new_val);
_check((ret==1)," 1 return value is wrong");
_check((_hi_eq(mem,&v3)),"1 hi value is wrong");
_check((_lo_eq(mem,&v4)),"1 lo value is wrong");
_hi(mem,&v1); _lo(mem,&v5);
ret = cas(&mem, old_val, new_val);
_check((ret==0),"2 return value is wrong");
_check((_hi_eq(mem,&v1)),"2 hi value is wrong");
_check((_lo_eq(mem,&v5)),"2 lo value is wrong");
_hi(mem,&v5); _lo(mem,&v1);
ret = cas(&mem, old_val, new_val);
_check((ret==0),"3 return value is wrong");
_check((_hi_eq(mem,&v5)),"3 hi value is wrong");
_check((_lo_eq(mem,&v1)),"3 lo value is wrong");
_hi(old_val,&v1); _lo(old_val,&v2);
_hi(mem,&v4); _lo(mem,&v5);
mem = old_val;
_check((_hi_eq(mem,&v1)),"4 lo value is wrong");
_check((_lo_eq(mem,&v2)),"4 lo value is wrong");
printf("success\n");
return EXIT_SUCCESS;
}
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