ompi/mpi/c/wait.c

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This source file includes following definitions.
MPI_Wait
   1 /*
   2  * Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
   3  *                         University Research and Technology
   4  *                         Corporation.  All rights reserved.
   5  * Copyright (c) 2004-2018 The University of Tennessee and The University
   6  *                         of Tennessee Research Foundation.  All rights
   7  *                         reserved.
   8  * Copyright (c) 2004-2008 High Performance Computing Center Stuttgart,
   9  *                         University of Stuttgart.  All rights reserved.
  10  * Copyright (c) 2004-2005 The Regents of the University of California.
  11  *                         All rights reserved.
  12  * Copyright (c) 2006      Cisco Systems, Inc.  All rights reserved.
  13  * Copyright (c) 2015-2017 Research Organization for Information Science
  14  *                         and Technology (RIST). All rights reserved.
  15  * $COPYRIGHT$
  16  *
  17  * Additional copyrights may follow
  18  *
  19  * $HEADER$
  20  */
  21 #include "ompi_config.h"
  22 #include <stdio.h>
  23 
  24 #include "ompi/mpi/c/bindings.h"
  25 #include "ompi/runtime/params.h"
  26 #include "ompi/communicator/communicator.h"
  27 #include "ompi/errhandler/errhandler.h"
  28 #include "ompi/request/request.h"
  29 #include "ompi/memchecker.h"
  30 #include "ompi/runtime/ompi_spc.h"
  31 
  32 #if OMPI_BUILD_MPI_PROFILING
  33 #if OPAL_HAVE_WEAK_SYMBOLS
  34 #pragma weak MPI_Wait = PMPI_Wait
  35 #endif
  36 #define MPI_Wait PMPI_Wait
  37 #endif
  38 
  39 static const char FUNC_NAME[] = "MPI_Wait";
  40 
  41 
  42 int MPI_Wait(MPI_Request *request, MPI_Status *status)
  43 {
  44     SPC_RECORD(OMPI_SPC_WAIT, 1);
  45 
  46     MEMCHECKER(
  47         memchecker_request(request);
  48     );
  49 
  50     if ( MPI_PARAM_CHECK ) {
  51         int rc = MPI_SUCCESS;
  52         OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
  53         if (request == NULL) {
  54             rc = MPI_ERR_REQUEST;
  55         }
  56         OMPI_ERRHANDLER_CHECK(rc, MPI_COMM_WORLD, rc, FUNC_NAME);
  57     }
  58 
  59     if (MPI_REQUEST_NULL == *request) {
  60         if (MPI_STATUS_IGNORE != status) {
  61             *status = ompi_status_empty;
  62             /*
  63              * Per MPI-1, the MPI_ERROR field is not defined for single-completion calls
  64              */
  65             MEMCHECKER(
  66                 opal_memchecker_base_mem_undefined(&status->MPI_ERROR, sizeof(int));
  67             );
  68         }
  69         return MPI_SUCCESS;
  70     }
  71 
  72     OPAL_CR_ENTER_LIBRARY();
  73 
  74     if (OMPI_SUCCESS == ompi_request_wait(request, status)) {
  75         /*
  76          * Per MPI-1, the MPI_ERROR field is not defined for single-completion calls
  77          */
  78         MEMCHECKER(
  79             if (MPI_STATUS_IGNORE != status) {
  80                 opal_memchecker_base_mem_undefined(&status->MPI_ERROR, sizeof(int));
  81             }
  82         );
  83         OPAL_CR_EXIT_LIBRARY();
  84         return MPI_SUCCESS;
  85     }
  86 
  87     MEMCHECKER(
  88         if (MPI_STATUS_IGNORE != status) {
  89             opal_memchecker_base_mem_undefined(&status->MPI_ERROR, sizeof(int));
  90         }
  91     );
  92     OPAL_CR_EXIT_LIBRARY();
  93     return ompi_errhandler_request_invoke(1, request, FUNC_NAME);
  94 }
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root/ompi/mpi/c/wait.c

DEFINITIONS
