/* * 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 (c) 2004-2005 The Regents of the University of California. * All rights reserved. * $COPYRIGHT$ * * Additional copyrights may follow * * $HEADER$ */ #undef OMPI_BUILDING #include "ompi_config.h" #include #include "include/sys/atomic.h" volatile int32_t vol32; int32_t val32; int32_t old32; int32_t new32; int main(int argc, char *argv[]) { #if ! OMPI_HAVE_ATOMIC_CMPSET_32 return 77; #else 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; #endif }