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openmpi/ompi/mca/btl/tcp/btl_tcp_hdr.h
Brian Barrett 441432950f Merge in changes from the bwb-heterogeneous temp branch (r12491 -
r12714) for supporting compilers / architectures with different
padding rules.

This commit was SVN r12749.

The following SVN revisions from the original message are invalid or
inconsistent and therefore were not cross-referenced:
  r12491
  r12714
2006-12-04 20:11:42 +00:00

69 строки
1.8 KiB
C

/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 The University of Tennessee and The University
* of Tennessee Research Foundation. 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
*
* $HEADER$
*/
#ifndef MCA_BTL_TCP_HDR_H
#define MCA_BTL_TCP_HDR_H
#include "ompi_config.h"
#include "ompi/mca/btl/base/base.h"
#include "btl_tcp.h"
#include "opal/types.h"
#if defined(c_plusplus) || defined(__cplusplus)
extern "C" {
#endif
/**
* TCP header.
*/
#define MCA_BTL_TCP_HDR_TYPE_SEND 1
#define MCA_BTL_TCP_HDR_TYPE_PUT 2
#define MCA_BTL_TCP_HDR_TYPE_GET 3
struct mca_btl_tcp_hdr_t {
mca_btl_base_header_t base;
uint8_t type;
uint16_t count;
#if OMPI_ENABLE_HETEROGENEOUS_SUPPORT
/* uint64_t may be required to be 8 byte aligned. */
uint8_t padding[4];
#endif
uint64_t size;
};
typedef struct mca_btl_tcp_hdr_t mca_btl_tcp_hdr_t;
#define MCA_BTL_TCP_HDR_HTON(hdr) \
do { \
hdr.count = htons(hdr.count); \
hdr.size = hton64(hdr.size); \
} while (0)
#define MCA_BTL_TCP_HDR_NTOH(hdr) \
do { \
hdr.count = ntohs(hdr.count); \
hdr.size = ntoh64(hdr.size); \
} while (0)
#if defined(c_plusplus) || defined(__cplusplus)
}
#endif
#endif