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openmpi/src/asm/test/atomic_cmpset_32_serial.c

57 строки
1.4 KiB
C
Исходник Обычный вид История

/*
* Copyright (c) 2004-2005 The Trustees of Indiana University.
* All rights reserved.
* Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
* All rights reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#undef OMPI_BUILDING
#include "ompi_config.h"
#include <assert.h>
#include "include/sys/atomic.h"
volatile int32_t vol32;
int32_t val32;
int32_t old32;
int32_t new32;
int
main(int argc, char *argv[])
{
vol32 = 42, old32 = 42, new32 = 50;
assert(ompi_atomic_cmpset_32(&vol32, old32, new32) == 1);
assert(vol32 == new32);
vol32 = 42, old32 = 420, new32 = 50;
assert(ompi_atomic_cmpset_32(&vol32, old32, new32) == 0);
assert(vol32 == 42);
vol32 = 42, old32 = 42, new32 = 50;
assert(ompi_atomic_cmpset_acq_32(&vol32, old32, new32) == 1);
assert(vol32 == new32);
vol32 = 42, old32 = 420, new32 = 50;
assert(ompi_atomic_cmpset_acq_32(&vol32, old32, new32) == 0);
assert(vol32 == 42);
vol32 = 42, old32 = 42, new32 = 50;
assert(ompi_atomic_cmpset_rel_32(&vol32, old32, new32) == 1);
assert(vol32 == new32);
vol32 = 42, old32 = 420, new32 = 50;
assert(ompi_atomic_cmpset_rel_32(&vol32, old32, new32) == 0);
assert(vol32 == 42);
return 0;
}