ompi/mpi/c/waitany.c

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This source file includes following definitions.
MPI_Waitany
   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) 2012      Oracle and/or its affiliates.  All rights reserved.
  14  * Copyright (c) 2012      Los Alamos National Security, LLC.  All rights
  15  *                         reserved.
  16  * Copyright (c) 2014-2015 Research Organization for Information Science
  17  *                         and Technology (RIST). All rights reserved.
  18  * $COPYRIGHT$
  19  *
  20  * Additional copyrights may follow
  21  *
  22  * $HEADER$
  23  */
  24 #include "ompi_config.h"
  25 #include <stdio.h>
  26 
  27 #include "ompi/mpi/c/bindings.h"
  28 #include "ompi/runtime/params.h"
  29 #include "ompi/communicator/communicator.h"
  30 #include "ompi/errhandler/errhandler.h"
  31 #include "ompi/request/request.h"
  32 #include "ompi/memchecker.h"
  33 #include "ompi/runtime/ompi_spc.h"
  34 
  35 #if OMPI_BUILD_MPI_PROFILING
  36 #if OPAL_HAVE_WEAK_SYMBOLS
  37 #pragma weak MPI_Waitany = PMPI_Waitany
  38 #endif
  39 #define MPI_Waitany PMPI_Waitany
  40 #endif
  41 
  42 static const char FUNC_NAME[] = "MPI_Waitany";
  43 
  44 
  45 int MPI_Waitany(int count, MPI_Request requests[], int *indx, MPI_Status *status)
  46 {
  47     SPC_RECORD(OMPI_SPC_WAITANY, 1);
  48 
  49     MEMCHECKER(
  50         int j;
  51         for (j = 0; j < count; j++){
  52             memchecker_request(&requests[j]);
  53         }
  54     );
  55 
  56     if ( MPI_PARAM_CHECK ) {
  57         int i, rc = MPI_SUCCESS;
  58         OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
  59         if ((NULL == requests) && (0 != count)) {
  60             rc = MPI_ERR_REQUEST;
  61         } else {
  62             for (i = 0; i < count; i++) {
  63                 if (NULL == requests[i]) {
  64                     rc = MPI_ERR_REQUEST;
  65                     break;
  66                 }
  67             }
  68         }
  69         if ((NULL == indx && count > 0) ||
  70             count < 0) {
  71             rc = MPI_ERR_ARG;
  72         }
  73         OMPI_ERRHANDLER_CHECK(rc, MPI_COMM_WORLD, rc, FUNC_NAME);
  74     }
  75 
  76     if (OPAL_UNLIKELY(0 == count)) {
  77         *indx = MPI_UNDEFINED;
  78         if (MPI_STATUS_IGNORE != status) {
  79             *status = ompi_status_empty;
  80         }
  81         return MPI_SUCCESS;
  82     }
  83 
  84     OPAL_CR_ENTER_LIBRARY();
  85 
  86     if (OMPI_SUCCESS == ompi_request_wait_any(count, requests, indx, status)) {
  87         OPAL_CR_EXIT_LIBRARY();
  88         return MPI_SUCCESS;
  89     }
  90 
  91     OPAL_CR_EXIT_LIBRARY();
  92     return ompi_errhandler_request_invoke(count, requests, FUNC_NAME);
  93 }
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root/ompi/mpi/c/waitany.c

DEFINITIONS
