180 строки
4.8 KiB
C
180 строки
4.8 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2005 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#ifndef OMPI_SYS_ARCH_ATOMIC_H
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#define OMPI_SYS_ARCH_ATOMIC_H 1
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/**********************************************************************
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*
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* Memory Barriers
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*
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*********************************************************************/
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#define OPAL_HAVE_ATOMIC_MEM_BARRIER 1
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static inline void opal_atomic_mb(void)
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{
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#if 0
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return KeMemoryBarrier();
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#endif
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}
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static inline void opal_atomic_rmb(void)
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{
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#if 0
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return KeMemoryBarrier();
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#endif
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}
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static inline void opal_atomic_wmb(void)
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{
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#if 0
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return KeMemoryBarrier();
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#endif
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}
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/**********************************************************************
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*
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* Atomic math operations
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*
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*********************************************************************/
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#define OPAL_HAVE_ATOMIC_CMPSET_32 1
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static inline int opal_atomic_cmpset_acq_32( volatile int32_t *addr,
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int32_t oldval, int32_t newval)
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{
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#if 0
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int32_t ret = InterlockedCompareExchangeAcquire ((int32_t volatile*) addr,
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(int32_t) newval, (int32_t) oldval);
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return (oldval == ret) ? 1: 0;
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#else
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return 0;
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#endif
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}
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static inline int opal_atomic_cmpset_rel_32( volatile int32_t *addr,
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int32_t oldval, int32_t newval)
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{
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#if 0
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int32_t ret = InterlockedCompareExchangeRelease ((int32_t volatile*) addr,
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(int32_t) newval, (int32_t) oldval);
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return (oldval == ret) ? 1: 0;
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#else
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return 0;
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#endif
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}
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static inline int opal_atomic_cmpset_32( volatile int32_t *addr,
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int32_t oldval, int32_t newval)
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{
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#if 0
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int32_t ret = InterlockedCompareExchange ((int32_t volatile*) addr,
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(int32_t) newval, (int32_t) oldval);
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return (oldval == ret) ? 1: 0;
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#else
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return 0;
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#endif
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}
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#define OPAL_HAVE_ATOMIC_CMPSET_64 1
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static inline int opal_atomic_cmpset_acq_64( volatile int64_t *addr,
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int64_t oldval, int64_t newval)
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{
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#if 0
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int64_t ret = InterlockedCompareExchangeAcquire64 ((int64_t volatile*) addr,
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(int64_t) newval, (int64_t) oldval);
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return (oldval == ret) ? 1: 0;
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#else
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return 0;
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#endif
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}
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static inline int opal_atomic_cmpset_rel_64( volatile int64_t *addr,
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int64_t oldval, int64_t newval)
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{
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#if 0
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int64_t ret = InterlockedCompareExchangeRelease64 ((int64_t volatile*) addr,
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(int64_t) newval, (int64_t) oldval);
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return (oldval == ret) ? 1: 0;
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#else
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return 0;
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#endif
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}
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static inline int opal_atomic_cmpset_64( volatile int64_t *addr,
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int64_t oldval, int64_t newval)
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{
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#if 0
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int64_t ret = InterlockedCompareExchange64 ((int64_t volatile*) addr,
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(int64_t) newval, (int64_t) oldval);
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return (oldval == ret) ? 1: 0;
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#else
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return 0;
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#endif
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}
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#define OPAL_HAVE_ATOMIC_MATH_32 1
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#define OPAL_HAVE_ATOMIC_ADD_32 1
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static inline int32_t opal_atomic_add_32(volatile int32_t *addr, int32_t delta)
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{
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return InterlockedExchangeAdd ((LONG volatile *) addr,
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(int32_t) delta);
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}
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#define OPAL_HAVE_ATOMIC_MATH_64 1
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#define OPAL_HAVE_ATOMIC_ADD_64 1
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static inline int64_t opal_atomic_add_64(volatile int64_t *addr, int64_t delta)
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{
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#if 0
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return InterlockedExchangeAdd64 ((int64_t volatile *) addr,
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(int64_t) delta);
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#else
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return 0;
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#endif
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}
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#define OPAL_HAVE_ATOMIC_SUB_32 1
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static inline int32_t opal_atomic_sub_32(volatile int32_t *addr, int32_t delta)
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{
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return InterlockedExchangeAdd( (LONG volatile *) addr,
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(int32_t) (-delta));
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}
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#define OPAL_HAVE_ATOMIC_SUB_64 1
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static inline int64_t opal_atomic_sub_64(volatile int64_t *addr, int64_t delta)
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{
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#if 0
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return InterlockedExchangeAdd64 ((int64_t volatile *) addr,
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(int64_t) (-delta));
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#else
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return 0;
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#endif
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}
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#endif /* ! OMPI_SYS_ARCH_ATOMIC_H */
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