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/*
* Copyright (c) 2013 Mellanox Technologies, Inc.
* All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "oshmem_config.h"
#include "oshmem/constants.h"
#include "oshmem/include/shmem.h"
#include "oshmem/include/shmemx.h"
#include "oshmem/runtime/runtime.h"
#include "oshmem/mca/atomic/atomic.h"
/*
* shmem_swap performs an atomic swap operation.
* The atomic swap routines write value to address target on PE pe, and return the previous
* contents of target. The operation must be completed without the possibility of another
* process updating target between the time of the fetch and the update.
*/
#define DO_SHMEM_TYPE_ATOMIC_SWAP(ctx, type, target, value, pe, out_value) do { \
int rc = OSHMEM_SUCCESS; \
size_t size = 0; \
\
RUNTIME_CHECK_INIT(); \
RUNTIME_CHECK_PE(pe); \
RUNTIME_CHECK_ADDR(target); \
\
size = sizeof(out_value); \
rc = MCA_ATOMIC_CALL(swap( \
ctx, \
(void*)target, \
(void*)&out_value, \
OSHMEM_ATOMIC_PTR_2_INT(&value, sizeof(value)), \
size, \
pe)); \
RUNTIME_CHECK_RC(rc); \
} while (0)
#define SHMEM_CTX_TYPE_ATOMIC_SWAP(type_name, type, prefix) \
type prefix##_ctx##type_name##_atomic_swap(shmem_ctx_t ctx, type *target, type value, int pe) \
{ \
type out_value; \
DO_SHMEM_TYPE_ATOMIC_SWAP(ctx, type, target, value, pe, \
out_value); \
return out_value; \
}
#define SHMEM_TYPE_ATOMIC_SWAP(type_name, type, prefix) \
type prefix##type_name##_atomic_swap(type *target, type value, int pe)\
{ \
type out_value; \
DO_SHMEM_TYPE_ATOMIC_SWAP(oshmem_ctx_default, type, target, \
value, pe, out_value); \
return out_value; \
}
#if OSHMEM_PROFILING
#include "oshmem/include/pshmem.h"
#pragma weak shmem_ctx_int_atomic_swap = pshmem_ctx_int_atomic_swap
#pragma weak shmem_ctx_long_atomic_swap = pshmem_ctx_long_atomic_swap
#pragma weak shmem_ctx_longlong_atomic_swap = pshmem_ctx_longlong_atomic_swap
#pragma weak shmem_ctx_uint_atomic_swap = pshmem_ctx_uint_atomic_swap
#pragma weak shmem_ctx_ulong_atomic_swap = pshmem_ctx_ulong_atomic_swap
#pragma weak shmem_ctx_ulonglong_atomic_swap = pshmem_ctx_ulonglong_atomic_swap
#pragma weak shmem_ctx_float_atomic_swap = pshmem_ctx_float_atomic_swap
#pragma weak shmem_ctx_double_atomic_swap = pshmem_ctx_double_atomic_swap
#pragma weak shmem_ctx_int32_atomic_swap = pshmem_ctx_int32_atomic_swap
#pragma weak shmem_ctx_int64_atomic_swap = pshmem_ctx_int64_atomic_swap
#pragma weak shmem_ctx_uint32_atomic_swap = pshmem_ctx_uint32_atomic_swap
#pragma weak shmem_ctx_uint64_atomic_swap = pshmem_ctx_uint64_atomic_swap
#pragma weak shmem_ctx_size_atomic_swap = pshmem_ctx_size_atomic_swap
#pragma weak shmem_ctx_ptrdiff_atomic_swap = pshmem_ctx_ptrdiff_atomic_swap
#pragma weak shmem_int_atomic_swap = pshmem_int_atomic_swap
#pragma weak shmem_long_atomic_swap = pshmem_long_atomic_swap
#pragma weak shmem_longlong_atomic_swap = pshmem_longlong_atomic_swap
#pragma weak shmem_uint_atomic_swap = pshmem_uint_atomic_swap
#pragma weak shmem_ulong_atomic_swap = pshmem_ulong_atomic_swap
#pragma weak shmem_ulonglong_atomic_swap = pshmem_ulonglong_atomic_swap
#pragma weak shmem_float_atomic_swap = pshmem_float_atomic_swap
#pragma weak shmem_double_atomic_swap = pshmem_double_atomic_swap
#pragma weak shmem_int32_atomic_swap = pshmem_int32_atomic_swap
#pragma weak shmem_int64_atomic_swap = pshmem_int64_atomic_swap
#pragma weak shmem_uint32_atomic_swap = pshmem_uint32_atomic_swap
#pragma weak shmem_uint64_atomic_swap = pshmem_uint64_atomic_swap
#pragma weak shmem_size_atomic_swap = pshmem_size_atomic_swap
#pragma weak shmem_ptrdiff_atomic_swap = pshmem_ptrdiff_atomic_swap
#pragma weak shmem_int_swap = pshmem_int_swap
#pragma weak shmem_long_swap = pshmem_long_swap
#pragma weak shmem_longlong_swap = pshmem_longlong_swap
#pragma weak shmem_float_swap = pshmem_float_swap
#pragma weak shmem_double_swap = pshmem_double_swap
#pragma weak shmemx_int32_swap = pshmemx_int32_swap
#pragma weak shmemx_int64_swap = pshmemx_int64_swap
#include "oshmem/shmem/c/profile-defines.h"
#endif
SHMEM_CTX_TYPE_ATOMIC_SWAP(_int, int, shmem)
SHMEM_CTX_TYPE_ATOMIC_SWAP(_long, long, shmem)
SHMEM_CTX_TYPE_ATOMIC_SWAP(_longlong, long long, shmem)
SHMEM_CTX_TYPE_ATOMIC_SWAP(_uint, unsigned int, shmem)
SHMEM_CTX_TYPE_ATOMIC_SWAP(_ulong, unsigned long, shmem)
SHMEM_CTX_TYPE_ATOMIC_SWAP(_ulonglong, unsigned long long, shmem)
SHMEM_CTX_TYPE_ATOMIC_SWAP(_float, float, shmem)
SHMEM_CTX_TYPE_ATOMIC_SWAP(_double, double, shmem)
SHMEM_CTX_TYPE_ATOMIC_SWAP(_int32, int32_t, shmem)
SHMEM_CTX_TYPE_ATOMIC_SWAP(_int64, int64_t, shmem)
SHMEM_CTX_TYPE_ATOMIC_SWAP(_uint32, uint32_t, shmem)
SHMEM_CTX_TYPE_ATOMIC_SWAP(_uint64, uint64_t, shmem)
SHMEM_CTX_TYPE_ATOMIC_SWAP(_size, size_t, shmem)
SHMEM_CTX_TYPE_ATOMIC_SWAP(_ptrdiff, ptrdiff_t, shmem)
SHMEM_TYPE_ATOMIC_SWAP(_int, int, shmem)
SHMEM_TYPE_ATOMIC_SWAP(_long, long, shmem)
SHMEM_TYPE_ATOMIC_SWAP(_longlong, long long, shmem)
SHMEM_TYPE_ATOMIC_SWAP(_uint, unsigned int, shmem)
SHMEM_TYPE_ATOMIC_SWAP(_ulong, unsigned long, shmem)
SHMEM_TYPE_ATOMIC_SWAP(_ulonglong, unsigned long long, shmem)
SHMEM_TYPE_ATOMIC_SWAP(_float, float, shmem)
SHMEM_TYPE_ATOMIC_SWAP(_double, double, shmem)
SHMEM_TYPE_ATOMIC_SWAP(_int32, int32_t, shmem)
SHMEM_TYPE_ATOMIC_SWAP(_int64, int64_t, shmem)
SHMEM_TYPE_ATOMIC_SWAP(_uint32, uint32_t, shmem)
SHMEM_TYPE_ATOMIC_SWAP(_uint64, uint64_t, shmem)
SHMEM_TYPE_ATOMIC_SWAP(_size, size_t, shmem)
SHMEM_TYPE_ATOMIC_SWAP(_ptrdiff, ptrdiff_t, shmem)
/* deprecated APIs */
#define SHMEM_TYPE_SWAP(type_name, type, prefix) \
type prefix##type_name##_swap(type *target, type value, int pe) \
{ \
type out_value; \
DO_SHMEM_TYPE_ATOMIC_SWAP(oshmem_ctx_default, type, target, \
value, pe, out_value); \
return out_value; \
}
SHMEM_TYPE_SWAP(_int, int, shmem)
SHMEM_TYPE_SWAP(_long, long, shmem)
SHMEM_TYPE_SWAP(_longlong, long long, shmem)
SHMEM_TYPE_SWAP(_float, float, shmem)
SHMEM_TYPE_SWAP(_double, double, shmem)
SHMEM_TYPE_SWAP(_int32, int32_t, shmemx)
SHMEM_TYPE_SWAP(_int64, int64_t, shmemx)
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