/* * 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" #if OMPI_HAVE_ATOMIC_MATH_64 volatile int64_t vol64; int64_t val64; int64_t old64; int64_t new64; #endif int main(int argc, char *argv[]) { #if OMPI_HAVE_ATOMIC_MATH_64 vol64 = 42, old64 = 42, new64 = 50; assert(1 == ompi_atomic_cmpset_64(&vol64, old64, new64)); assert(new64 == vol64); vol64 = 42, old64 = 420, new64 = 50; assert(ompi_atomic_cmpset_64(&vol64, old64, new64) == 0); assert(vol64 == 42); vol64 = 42, old64 = 42, new64 = 50; assert(ompi_atomic_cmpset_acq_64(&vol64, old64, new64) == 1); assert(vol64 == new64); vol64 = 42, old64 = 420, new64 = 50; assert(ompi_atomic_cmpset_acq_64(&vol64, old64, new64) == 0); assert(vol64 == 42); vol64 = 42, old64 = 42, new64 = 50; assert(ompi_atomic_cmpset_rel_64(&vol64, old64, new64) == 1); assert(vol64 == new64); vol64 = 42, old64 = 420, new64 = 50; assert(ompi_atomic_cmpset_rel_64(&vol64, old64, new64) == 0); assert(vol64 == 42); return 0; #else return 77; #endif }