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Add the file containing the wrapper around the memory registration. The idea is that on OSes without the

possibility to register memory these functions will return some pre-allocated PTL buffers and pack the
data inside.

This commit was SVN r5239.
Этот коммит содержится в:
George Bosilca 2005-04-09 06:10:16 +00:00
родитель fad48b5fcc
Коммит 6b052f54c0

50
src/mca/ptl/gm/src/ptl_gm_memory.c Обычный файл
Просмотреть файл

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/* -*- Mode: C; c-basic-offset:4 ; -*- */
/*
* 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 The Ohio State University.
* 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
*
* $HEADER$
*/
#include "ompi_config.h"
#include "ptl_gm.h"
#include "ptl_gm_priv.h"
gm_status_t mca_ptl_gm_register_memory(struct gm_port *port, void *ptr, unsigned len)
{
#if OMPI_MCA_PTL_GM_SUPPORT_REGISTERING
#if OMPI_MCA_PTL_GM_CACHE_ENABLE
gmpi_use_interval( port, (gm_up_t)ptr, len );
return GM_SUCCESS;
#else
return gm_register_memory( port, ptr, len );
#endif /* OMPI_MCA_PTL_GM_CACHE_ENABLE */
#else
return GM_FAILURE;
#endif /* OMPI_MCA_PTL_GM_SUPPORT_REGISTERING */
}
gm_status_t mca_ptl_gm_deregister_memory( struct gm_port *port, void *ptr, unsigned len )
{
#if OMPI_MCA_PTL_GM_SUPPORT_REGISTERING
#if OMPI_MCA_PTL_GM_CACHE_ENABLE
return gmpi_unuse_interval( port, (gm_up_t)ptr, len );
#else
return gm_deregister_memory( port, ptr, len );
#endif /* OMPI_MCA_PTL_GM_CACHE_ENABLE */
#else
return GM_FAILURE;
#endif /* OMPI_MCA_PTL_GM_SUPPORT_REGISTERING */
}