/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */

/*

 *  (C) 2001 by Argonne National Laboratory.

 *      See COPYRIGHT in top-level directory.

 */

#include "mpiimpl.h"

/* -- Begin Profiling Symbol Block for routine MPI_Grequest_complete */

#if defined(HAVE_PRAGMA_WEAK)

#pragma weak MPI_Grequest_complete = PMPI_Grequest_complete

#elif defined(HAVE_PRAGMA_HP_SEC_DEF)

#pragma _HP_SECONDARY_DEF PMPI_Grequest_complete  MPI_Grequest_complete

#elif defined(HAVE_PRAGMA_CRI_DUP)

#pragma _CRI duplicate MPI_Grequest_complete as PMPI_Grequest_complete

#elif defined(HAVE_WEAK_ATTRIBUTE)

int MPI_Grequest_complete(MPI_Request request) __attribute__((weak,alias("PMPI_Grequest_complete")));

#endif

/* -- End Profiling Symbol Block */

/* Define MPICH_MPI_FROM_PMPI if weak symbols are not supported to build

   the MPI routines.  You can use USE_WEAK_SYMBOLS to see if MPICH is

   using weak symbols to implement the MPI routines. */

#ifndef MPICH_MPI_FROM_PMPI

#undef MPI_Grequest_complete

#define MPI_Grequest_complete PMPI_Grequest_complete

/* Any internal routines can go here.  Make them static if possible.  If they

   are used by both the MPI and PMPI versions, use PMPI_LOCAL instead of 

   static; this macro expands into "static" if weak symbols are supported and

   into nothing otherwise. */

#undef FUNCNAME

#define FUNCNAME MPIR_Grequest_complete

#undef FCNAME

#define FCNAME MPL_QUOTE(FUNCNAME)

void MPIR_Grequest_complete_impl(MPID_Request *request_ptr)

{

    /* Set the request as completed.  This does not change the

       reference count on the generalized request */

    MPID_Request_complete( request_ptr );

    /* The request release comes with the wait/test, not this complete

       routine, so we don't call the MPID_Request_release routine */

}

#endif

#undef FUNCNAME

#define FUNCNAME MPI_Grequest_complete

#undef FCNAME

#define FCNAME MPL_QUOTE(FUNCNAME)

/*@

   MPI_Grequest_complete - Notify MPI that a user-defined request is complete

Input Parameters:

.  request - Generalized request to mark as complete

.N ThreadSafe

.N Fortran

.N Errors

.N MPI_SUCCESS

.seealso: MPI_Grequest_start

@*/

int MPI_Grequest_complete( MPI_Request request )

{

    int mpi_errno = MPI_SUCCESS;

    MPID_Request *request_ptr;

    MPID_MPI_STATE_DECL(MPID_STATE_MPI_GREQUEST_COMPLETE);

    MPIR_ERRTEST_INITIALIZED_ORDIE();

    MPID_THREAD_CS_ENTER(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);

    MPID_MPI_FUNC_ENTER(MPID_STATE_MPI_GREQUEST_COMPLETE);

    /* Validate handle parameters needing to be converted */

#   ifdef HAVE_ERROR_CHECKING

    {

        MPID_BEGIN_ERROR_CHECKS;

        {

	    MPIR_ERRTEST_REQUEST(request, mpi_errno);

        }

        MPID_END_ERROR_CHECKS;

    }

#   endif /* HAVE_ERROR_CHECKING */

    /* Convert MPI object handles to object pointers */

    MPID_Request_get_ptr( request, request_ptr );

    /* Validate parameters if error checking is enabled */

#   ifdef HAVE_ERROR_CHECKING

    {

        MPID_BEGIN_ERROR_CHECKS;

        {

	    MPID_Request_valid_ptr(request_ptr,mpi_errno);

	    if (request_ptr && request_ptr->kind != MPID_UREQUEST) {

 	        mpi_errno = MPIR_Err_create_code( MPI_SUCCESS, MPIR_ERR_RECOVERABLE, FCNAME, __LINE__, MPI_ERR_ARG, 

						  "**notgenreq", 0 );

	    }

            if (mpi_errno) goto fn_fail;

        }

        MPID_END_ERROR_CHECKS;

    }

#   endif /* HAVE_ERROR_CHECKING */

    /* ... body of routine ...  */

    MPIR_Grequest_complete_impl(request_ptr);

    /* ... end of body of routine ... */

#ifdef HAVE_ERROR_CHECKING

  fn_exit:

#endif

    MPID_MPI_FUNC_EXIT(MPID_STATE_MPI_GREQUEST_COMPLETE);

    MPID_THREAD_CS_EXIT(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);

    return mpi_errno;

    /* --BEGIN ERROR HANDLING-- */

#   ifdef HAVE_ERROR_CHECKING

  fn_fail:

    {

	mpi_errno = MPIR_Err_create_code(

	    mpi_errno, MPIR_ERR_RECOVERABLE, FCNAME, __LINE__, MPI_ERR_OTHER, 

	    "**mpi_grequest_complete",

	    "**mpi_grequest_complete %R", request);

    }

    mpi_errno = MPIR_Err_return_comm( NULL, FCNAME, mpi_errno );

    goto fn_exit;

#   endif

    /* --END ERROR HANDLING-- */

}