/* -*- 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_ext.h"
/* -- Begin Profiling Symbol Block for routine MPI_File_get_errhandler */
#if defined(HAVE_PRAGMA_WEAK)
#pragma weak MPI_File_get_errhandler = PMPI_File_get_errhandler
#elif defined(HAVE_PRAGMA_HP_SEC_DEF)
#pragma _HP_SECONDARY_DEF PMPI_File_get_errhandler MPI_File_get_errhandler
#elif defined(HAVE_PRAGMA_CRI_DUP)
#pragma _CRI duplicate MPI_File_get_errhandler as PMPI_File_get_errhandler
#elif defined(HAVE_WEAK_ATTRIBUTE)
int MPI_File_get_errhandler(MPI_File file, MPI_Errhandler * errhandler)
__attribute__ ((weak, alias("PMPI_File_get_errhandler")));
#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_File_get_errhandler
#define MPI_File_get_errhandler PMPI_File_get_errhandler
#endif
#undef FUNCNAME
#define FUNCNAME MPI_File_get_errhandler
#undef FCNAME
#define FCNAME MPL_QUOTE(FUNCNAME)
/*@
MPI_File_get_errhandler - Get the error handler attached to a file
Input Parameters:
. file - MPI file (handle)
Output Parameters:
. errhandler - handler currently associated with file (handle)
.N ThreadSafeNoUpdate
.N Fortran
.N Errors
.N MPI_SUCCESS
@*/
int MPI_File_get_errhandler(MPI_File file, MPI_Errhandler * errhandler)
{
int mpi_errno = MPI_SUCCESS;
#ifdef MPI_MODE_RDONLY
MPI_Errhandler eh;
MPIR_Errhandler *e;
#endif
MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_FILE_GET_ERRHANDLER);
MPIR_ERRTEST_INITIALIZED_ORDIE();
MPID_THREAD_CS_ENTER(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
MPIR_FUNC_TERSE_ENTER(MPID_STATE_MPI_FILE_GET_ERRHANDLER);
#ifdef MPI_MODE_RDONLY
/* Validate parameters, especially handles needing to be converted */
/* FIXME: check for a valid file handle (fh) before converting to a pointer */
/* Validate parameters and objects (post conversion) */
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
MPIR_ERRTEST_ARGNULL(errhandler, "errhandler", mpi_errno);
}
MPID_END_ERROR_CHECKS;
}
#endif /* HAVE_ERROR_CHECKING */
/* ... body of routine ... */
MPIR_ROMIO_Get_file_errhand(file, &eh);
if (!eh) {
MPIR_Errhandler_get_ptr(MPI_ERRORS_RETURN, e);
} else {
MPIR_Errhandler_get_ptr(eh, e);
}
MPIR_Errhandler_add_ref(e);
*errhandler = e->handle;
#else
/* Dummy in case ROMIO is not defined */
mpi_errno = MPI_ERR_INTERN;
#ifdef HAVE_ERROR_CHECKING
if (0)
goto fn_fail; /* quiet compiler warning about unused label */
#endif
#endif
/* ... end of body of routine ... */
#ifdef HAVE_ERROR_CHECKING
fn_exit:
#endif
MPIR_FUNC_TERSE_EXIT(MPID_STATE_MPI_FILE_GET_ERRHANDLER);
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_file_get_errhandler", "**mpi_file_get_errhandler %F %p",
file, errhandler);
}
/* FIXME: Is this obsolete now? */
#ifdef MPI_MODE_RDONLY
mpi_errno = MPIO_Err_return_file(file, mpi_errno);
#endif
goto fn_exit;
#endif
/* --END ERROR HANDLING-- */
}