diff options
Diffstat (limited to 'cas_test.c')
-rw-r--r-- | cas_test.c | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/cas_test.c b/cas_test.c deleted file mode 100644 index a2b92a6..0000000 --- a/cas_test.c +++ /dev/null @@ -1,62 +0,0 @@ -/* - * File : atomic.c - * Author : Jérémy Zurcher <jeremy@asynk.ch> - * Date : 01/11/09 - * 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 <stdio.h> -#include "cas.h" - -#define MAKE_LONG_LONG(lo, hi) ((hi)<<32)+(lo) - -typedef union pointer { - struct { - volatile void *ptr; - volatile unsigned int count; - } split; - volatile unsigned long long concat; -} pointer_t; - -int main( int argc, char*argv[], char*env[] ) { - int ret; - - pointer_t mem, old, new; - - mem.split.count = 0; - old.split.count = 6; - new.split.count = 666; - mem.split.ptr = (void*)&argc; - old.split.ptr = (void*)&argc; - new.split.ptr = (void*)&argv; - - ret = compare_and_swap(&mem.concat, old.concat, new.concat); - printf("ret %d -> (%d,%X)\n", ret, mem.split.count, (unsigned int)mem.split.ptr); - - mem.split.count=6; - ret = compare_and_swap(&mem.concat, old.concat, new.concat); - printf("ret %d -> (%d,%X)\n", ret, mem.split.count, (unsigned int)mem.split.ptr); - - return 0; -} - |