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openmpi/ompi/errhandler/errhandler.c
Abhishek Kulkarni c63c4d6892 Fix bugs where (OMPI_ERROR == *) checks cannot be converted to (OMPI_SUCCESS != *) since the return codes are overloaded to return an "index" on success.
The fix is to just check if the return value is positive or not, since all the SOS encoded errors are *always* negative.

The real fix (as Ralph points out) is to change these functions (opal_pointer_array_add and mca_base_param*) to return the index as a pointer.

This commit was SVN r23173.
2010-05-18 20:54:11 +00:00

297 строки
10 KiB
C

/* -*- Mode: C; c-basic-offset:4 ; -*- */
/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2007 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2008-2009 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2009 Sun Microsystems, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include "ompi/communicator/communicator.h"
#include "ompi/win/win.h"
#include "ompi/errhandler/errhandler.h"
#include "ompi/errhandler/errhandler_predefined.h"
#include "opal/class/opal_pointer_array.h"
/*
* Table for Fortran <-> C errhandler handle conversion
*/
opal_pointer_array_t ompi_errhandler_f_to_c_table;
/*
* Class information
*/
static void ompi_errhandler_construct(ompi_errhandler_t *eh);
static void ompi_errhandler_destruct(ompi_errhandler_t *eh);
/*
* Class instance
*/
OBJ_CLASS_INSTANCE(ompi_errhandler_t, opal_object_t, ompi_errhandler_construct,
ompi_errhandler_destruct);
ompi_predefined_errhandler_t ompi_mpi_errhandler_null;
ompi_predefined_errhandler_t ompi_mpi_errors_are_fatal;
ompi_predefined_errhandler_t ompi_mpi_errors_return;
ompi_predefined_errhandler_t ompi_mpi_errors_throw_exceptions;
/*
* Local state to know when the three intrinsics have been freed; see
* the errhandler destructor for more info.
*/
static bool null_freed = false;
static bool fatal_freed = false;
static bool return_freed = false;
static bool throw_freed = false;
/*
* Initialize OMPI errhandler infrastructure
*/
int ompi_errhandler_init(void)
{
/* initialize ompi_errhandler_f_to_c_table */
OBJ_CONSTRUCT( &ompi_errhandler_f_to_c_table, opal_pointer_array_t);
if( OPAL_SUCCESS != opal_pointer_array_init(&ompi_errhandler_f_to_c_table, 0,
OMPI_FORTRAN_HANDLE_MAX, 64) ) {
return OMPI_ERROR;
}
/* Initialize the predefined error handlers */
OBJ_CONSTRUCT( &ompi_mpi_errhandler_null.eh, ompi_errhandler_t );
if( ompi_mpi_errhandler_null.eh.eh_f_to_c_index != OMPI_ERRHANDLER_NULL_FORTRAN )
return OMPI_ERROR;
ompi_mpi_errhandler_null.eh.eh_mpi_object_type = OMPI_ERRHANDLER_TYPE_PREDEFINED;
ompi_mpi_errhandler_null.eh.eh_lang = OMPI_ERRHANDLER_LANG_C;
ompi_mpi_errhandler_null.eh.eh_comm_fn = NULL;
ompi_mpi_errhandler_null.eh.eh_file_fn = NULL;
ompi_mpi_errhandler_null.eh.eh_win_fn = NULL ;
ompi_mpi_errhandler_null.eh.eh_fort_fn = NULL;
strncpy (ompi_mpi_errhandler_null.eh.eh_name, "MPI_ERRHANDLER_NULL",
strlen("MPI_ERRHANDLER_NULL")+1 );
OBJ_CONSTRUCT( &ompi_mpi_errors_are_fatal.eh, ompi_errhandler_t );
if( ompi_mpi_errors_are_fatal.eh.eh_f_to_c_index != OMPI_ERRORS_ARE_FATAL_FORTRAN )
return OMPI_ERROR;
ompi_mpi_errors_are_fatal.eh.eh_mpi_object_type = OMPI_ERRHANDLER_TYPE_PREDEFINED;
ompi_mpi_errors_are_fatal.eh.eh_lang = OMPI_ERRHANDLER_LANG_C;
ompi_mpi_errors_are_fatal.eh.eh_comm_fn = ompi_mpi_errors_are_fatal_comm_handler;
ompi_mpi_errors_are_fatal.eh.eh_file_fn = ompi_mpi_errors_are_fatal_file_handler;
ompi_mpi_errors_are_fatal.eh.eh_win_fn = ompi_mpi_errors_are_fatal_win_handler ;
ompi_mpi_errors_are_fatal.eh.eh_fort_fn = NULL;
strncpy (ompi_mpi_errors_are_fatal.eh.eh_name, "MPI_ERRORS_ARE_FATAL",
strlen("MPI_ERRORS_ARE_FATAL")+1 );
OBJ_CONSTRUCT( &ompi_mpi_errors_return.eh, ompi_errhandler_t );
if( ompi_mpi_errors_return.eh.eh_f_to_c_index != OMPI_ERRORS_RETURN_FORTRAN )
return OMPI_ERROR;
ompi_mpi_errors_return.eh.eh_mpi_object_type = OMPI_ERRHANDLER_TYPE_PREDEFINED;
ompi_mpi_errors_return.eh.eh_lang = OMPI_ERRHANDLER_LANG_C;
ompi_mpi_errors_return.eh.eh_comm_fn = ompi_mpi_errors_return_comm_handler;
ompi_mpi_errors_return.eh.eh_file_fn = ompi_mpi_errors_return_file_handler;
ompi_mpi_errors_return.eh.eh_win_fn = ompi_mpi_errors_return_win_handler;
ompi_mpi_errors_return.eh.eh_fort_fn = NULL;
strncpy (ompi_mpi_errors_return.eh.eh_name, "MPI_ERRORS_RETURN",
strlen("MPI_ERRORS_RETURN")+1 );
/* If we're going to use C++, functions will be fixed up during
MPI::Init. Note that it is proper to use ERRHANDLER_LANG_C here;
the dispatch function is in C (although in libmpi_cxx); the
conversion from C handles to C++ handles happens in that dispatch
function -- not the errhandler_invoke.c stuff here in libmpi. */
OBJ_CONSTRUCT( &ompi_mpi_errors_throw_exceptions.eh, ompi_errhandler_t );
ompi_mpi_errors_throw_exceptions.eh.eh_mpi_object_type =
OMPI_ERRHANDLER_TYPE_PREDEFINED;
ompi_mpi_errors_throw_exceptions.eh.eh_lang = OMPI_ERRHANDLER_LANG_C;
ompi_mpi_errors_throw_exceptions.eh.eh_comm_fn =
ompi_mpi_errors_are_fatal_comm_handler;
ompi_mpi_errors_throw_exceptions.eh.eh_file_fn =
ompi_mpi_errors_are_fatal_file_handler;
ompi_mpi_errors_throw_exceptions.eh.eh_win_fn =
ompi_mpi_errors_are_fatal_win_handler ;
ompi_mpi_errors_throw_exceptions.eh.eh_fort_fn = NULL;
strncpy (ompi_mpi_errors_throw_exceptions.eh.eh_name, "MPI_ERRORS_THROW_EXCEPTIONS",
strlen("MPI_ERRORS_THROW_EXCEPTIONS")+1 );
/* All done */
return OMPI_SUCCESS;
}
/*
* Clean up the errorhandler resources
*/
int ompi_errhandler_finalize(void)
{
/* Forcibly release the intrinsic error handlers because in order
to be safe, we increase the refcount on error handlers in
MPI_*_GET_ERRHANDLER and MPI_ERRHANDLER_GET. If these handles
are never ERRHANDLER_FREEd, then the refcount will not be
decremented and they will not naturally get to 0 during
FINALIZE. Hence, we RELEASE on the intrinsics until they are
freed. */
while (!null_freed) {
OBJ_DESTRUCT(&ompi_mpi_errhandler_null.eh);
}
while (!fatal_freed) {
OBJ_DESTRUCT(&ompi_mpi_errors_are_fatal.eh);
}
while (!return_freed) {
OBJ_DESTRUCT(&ompi_mpi_errors_return.eh);
}
while (!throw_freed) {
OBJ_DESTRUCT(&ompi_mpi_errors_throw_exceptions.eh);
}
/* JMS Add stuff here checking for unreleased errorhandlers,
similar to communicators, info handles, etc. */
/* Remove errhandler F2C table */
/* Forcibly release the intrinsic error handlers because in order to
be safe, we increase the refcount on error handlers in
MPI_*_GET_ERRHANDLER and MPI_ERRHANDLER_GET. If these handles
are never ERRHANDLER_FREEd, then the refcount will not be
decremented and they will not naturally get to 0 during FINALIZE.
Hence, we RELEASE on the intrinsics until they are freed. */
OBJ_DESTRUCT(&ompi_errhandler_f_to_c_table);
/* All done */
return OMPI_SUCCESS;
}
ompi_errhandler_t *ompi_errhandler_create(ompi_errhandler_type_t object_type,
ompi_errhandler_generic_handler_fn_t *func,
ompi_errhandler_lang_t lang)
{
ompi_errhandler_t *new_errhandler;
/* Create a new object and ensure that it's valid */
new_errhandler = OBJ_NEW(ompi_errhandler_t);
if (NULL != new_errhandler) {
if (0 > new_errhandler->eh_f_to_c_index) {
OBJ_RELEASE(new_errhandler);
new_errhandler = NULL;
} else {
/* We cast the user's callback function to any one of the
function pointer types in the union; it doesn't matter which.
It only matters that we dereference/use the right member when
invoking the callback. */
new_errhandler->eh_mpi_object_type = object_type;
new_errhandler->eh_lang = lang;
switch (object_type ) {
case (OMPI_ERRHANDLER_TYPE_COMM):
new_errhandler->eh_comm_fn = (MPI_Comm_errhandler_function *)func;
break;
case (OMPI_ERRHANDLER_TYPE_FILE):
new_errhandler->eh_file_fn = (ompi_file_errhandler_fn *)func;
break;
case (OMPI_ERRHANDLER_TYPE_WIN):
new_errhandler->eh_win_fn = (MPI_Win_errhandler_function *)func;
break;
default:
break;
}
new_errhandler->eh_fort_fn = (ompi_errhandler_fortran_handler_fn_t *)func;
}
}
/* All done */
return new_errhandler;
}
/**************************************************************************
*
* Static functions
*
**************************************************************************/
/**
* Errhandler constructor
*/
static void ompi_errhandler_construct(ompi_errhandler_t *new_errhandler)
{
int ret_val;
/* assign entry in fortran <-> c translation array */
ret_val = opal_pointer_array_add(&ompi_errhandler_f_to_c_table,
new_errhandler);
new_errhandler->eh_f_to_c_index = ret_val;
new_errhandler->eh_lang = OMPI_ERRHANDLER_LANG_C;
new_errhandler->eh_comm_fn = NULL;
new_errhandler->eh_win_fn = NULL;
new_errhandler->eh_file_fn = NULL;
new_errhandler->eh_fort_fn = NULL;
new_errhandler->eh_cxx_dispatch_fn = NULL;
memset (new_errhandler->eh_name, 0, MPI_MAX_OBJECT_NAME);
}
/**
* Errhandler destructor
*/
static void ompi_errhandler_destruct(ompi_errhandler_t *errhandler)
{
/* reset the ompi_errhandler_f_to_c_table entry - make sure that the
entry is in the table */
if (NULL!= opal_pointer_array_get_item(&ompi_errhandler_f_to_c_table,
errhandler->eh_f_to_c_index)) {
opal_pointer_array_set_item(&ompi_errhandler_f_to_c_table,
errhandler->eh_f_to_c_index, NULL);
}
/* Reset the static state if we're releasing one of the
intrinsics */
if (&ompi_mpi_errhandler_null.eh == errhandler) {
null_freed = true;
} else if (&ompi_mpi_errors_are_fatal.eh == errhandler) {
fatal_freed = true;
} else if (&ompi_mpi_errors_return.eh == errhandler) {
return_freed = true;
} else if (&ompi_mpi_errors_throw_exceptions.eh == errhandler) {
throw_freed = true;
}
}