/* -*- 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_Type_commit */
#if defined(HAVE_PRAGMA_WEAK)
#pragma weak MPI_Type_commit = PMPI_Type_commit
#elif defined(HAVE_PRAGMA_HP_SEC_DEF)
#pragma _HP_SECONDARY_DEF PMPI_Type_commit  MPI_Type_commit
#elif defined(HAVE_PRAGMA_CRI_DUP)
#pragma _CRI duplicate MPI_Type_commit as PMPI_Type_commit
#elif defined(HAVE_WEAK_ATTRIBUTE)
int MPI_Type_commit(MPI_Datatype *datatype) __attribute__((weak,alias("PMPI_Type_commit")));
#endif
/* -- End Profiling Symbol Block */

/* Define MPICH_MPI_FROM_PMPI if weak symbols are not supported to build
   the MPI routines */
#ifndef MPICH_MPI_FROM_PMPI
#undef MPI_Type_commit
#define MPI_Type_commit PMPI_Type_commit

#undef FUNCNAME
#define FUNCNAME MPIR_Type_commit_impl
#undef FCNAME
#define FCNAME MPL_QUOTE(FUNCNAME)
int MPIR_Type_commit_impl(MPI_Datatype *datatype)
{
    int mpi_errno = MPI_SUCCESS;
        
    if (HANDLE_GET_KIND(*datatype) == HANDLE_KIND_BUILTIN) goto fn_exit;

    /* pair types stored as real types are a special case */
    if (*datatype == MPI_FLOAT_INT ||
	*datatype == MPI_DOUBLE_INT ||
	*datatype == MPI_LONG_INT ||
	*datatype == MPI_SHORT_INT ||
	*datatype == MPI_LONG_DOUBLE_INT) goto fn_exit;

    mpi_errno = MPID_Type_commit(datatype);
    if (mpi_errno) MPIR_ERR_POP(mpi_errno);
    
 fn_exit:
    return mpi_errno;
 fn_fail:
    goto fn_exit;
}

#endif

#undef FUNCNAME
#define FUNCNAME MPI_Type_commit
#undef FCNAME
#define FCNAME MPL_QUOTE(FUNCNAME)
/*@
    MPI_Type_commit - Commits the datatype

Input Parameters:
. datatype - datatype (handle) 

.N ThreadSafe

.N Fortran

.N Errors
.N MPI_SUCCESS
.N MPI_ERR_TYPE
@*/
int MPI_Type_commit(MPI_Datatype *datatype)
{
    int mpi_errno = MPI_SUCCESS;
    MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_TYPE_COMMIT);

    MPIR_ERRTEST_INITIALIZED_ORDIE();
    
    MPID_THREAD_CS_ENTER(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
    MPIR_FUNC_TERSE_ENTER(MPID_STATE_MPI_TYPE_COMMIT);
    
    /* Validate parameters, especially handles needing to be converted */
#   ifdef HAVE_ERROR_CHECKING
    {
        MPID_BEGIN_ERROR_CHECKS;
        {
	    MPIR_ERRTEST_ARGNULL(datatype, "datatype", mpi_errno);
	    MPIR_ERRTEST_DATATYPE(*datatype, "datatype", mpi_errno);
        }
        MPID_END_ERROR_CHECKS;
    }
#   endif
    
    /* Validate parameters and objects (post conversion) */
#   ifdef HAVE_ERROR_CHECKING
    {
        MPID_BEGIN_ERROR_CHECKS;
        {
            MPIR_Datatype *datatype_ptr = NULL;

            /* Convert MPI object handles to object pointers */
            MPID_Datatype_get_ptr( *datatype, datatype_ptr );

            /* Validate datatype_ptr */
            MPIR_Datatype_valid_ptr(datatype_ptr, mpi_errno);
            if (mpi_errno) goto fn_fail;
        }
        MPID_END_ERROR_CHECKS;
    }
#   endif /* HAVE_ERROR_CHECKING */

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

    mpi_errno = MPIR_Type_commit_impl(datatype);
    if (mpi_errno) MPIR_ERR_POP(mpi_errno);
    
    /* ... end of body of routine ... */
    
  fn_exit:
    MPIR_FUNC_TERSE_EXIT(MPID_STATE_MPI_TYPE_COMMIT);
    MPID_THREAD_CS_EXIT(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
    return mpi_errno;

  fn_fail:
    /* --BEGIN ERROR HANDLING-- */
#   ifdef HAVE_ERROR_CHECKING
    {
	mpi_errno = MPIR_Err_create_code(
	    mpi_errno, MPIR_ERR_RECOVERABLE, FCNAME, __LINE__, MPI_ERR_OTHER, "**mpi_type_commit",
	    "**mpi_type_commit %p", datatype);
    }
#   endif
    mpi_errno = MPIR_Err_return_comm( NULL, FCNAME, mpi_errno );
    goto fn_exit;
    /* --END ERROR HANDLING-- */
}
