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/* -*- 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"
#include "mpir_info.h"

/* -- Begin Profiling Symbol Block for routine MPI_Info_free */
#if defined(HAVE_PRAGMA_WEAK)
#pragma weak MPI_Info_free = PMPI_Info_free
#elif defined(HAVE_PRAGMA_HP_SEC_DEF)
#pragma _HP_SECONDARY_DEF PMPI_Info_free  MPI_Info_free
#elif defined(HAVE_PRAGMA_CRI_DUP)
#pragma _CRI duplicate MPI_Info_free as PMPI_Info_free
#elif defined(HAVE_WEAK_ATTRIBUTE)
int MPI_Info_free(MPI_Info * info) __attribute__ ((weak, alias("PMPI_Info_free")));
#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_Info_free
#define MPI_Info_free PMPI_Info_free
#endif

#undef FUNCNAME
#define FUNCNAME MPI_Info_free
#undef FCNAME
#define FCNAME MPL_QUOTE(FUNCNAME)
/*@
    MPI_Info_free - Frees an info object

Input Parameters:
. info - info object to be freed (handle)

.N ThreadSafe

.N Fortran

.N Errors
.N MPI_SUCCESS
.N MPI_ERR_INFO
.N MPI_ERR_OTHER
@*/
int MPI_Info_free(MPI_Info * info)
{
    int mpi_errno = MPI_SUCCESS;
    MPIR_Info *info_ptr = 0;
    MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_INFO_FREE);

    MPIR_ERRTEST_INITIALIZED_ORDIE();

    MPID_THREAD_CS_ENTER(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
    MPIR_FUNC_TERSE_ENTER(MPID_STATE_MPI_INFO_FREE);

    /* Validate parameters, especially handles needing to be converted */
#ifdef HAVE_ERROR_CHECKING
    {
        MPID_BEGIN_ERROR_CHECKS;
        {
            MPIR_ERRTEST_INFO(*info, mpi_errno);
        }
        MPID_END_ERROR_CHECKS;
    }
#endif /* HAVE_ERROR_CHECKING */

    /* Convert MPI object handles to object pointers */
    MPIR_Info_get_ptr(*info, info_ptr);

    /* Validate parameters and objects (post conversion) */
#ifdef HAVE_ERROR_CHECKING
    {
        MPID_BEGIN_ERROR_CHECKS;
        {
            /* Validate info_ptr */
            MPIR_Info_valid_ptr(info_ptr, mpi_errno);
            if (mpi_errno)
                goto fn_fail;
        }
        MPID_END_ERROR_CHECKS;
    }
#endif /* HAVE_ERROR_CHECKING */

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

    MPIR_Info_free(info_ptr);
    *info = MPI_INFO_NULL;

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

#ifdef HAVE_ERROR_CHECKING
  fn_exit:
#endif
    MPIR_FUNC_TERSE_EXIT(MPID_STATE_MPI_INFO_FREE);
    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_info_free", "**mpi_info_free %p", info);
    }
    mpi_errno = MPIR_Err_return_comm(NULL, FCNAME, mpi_errno);
    goto fn_exit;
#endif
    /* --END ERROR HANDLING-- */
}