/*****************************************************************************
* *
* Copyright (c) 2003-2006 Intel Corporation. *
* All rights reserved. *
* *
*****************************************************************************
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***************************************************************************
For more documentation than found here, see
[1] doc/ReadMe_IMB.txt
[2] Intel (R) MPI Benchmarks
Users Guide and Methodology Description
In
doc/IMB_ug.pdf
File: IMB_err_handler.c
Implemented functions:
IMB_err_hand;
IMB_errors_mpi;
IMB_errors_win;
IMB_errors_io;
IMB_init_errhand;
IMB_set_errhand;
IMB_del_errhand;
***************************************************************************/
#define nSET_ERRH
#include "IMB_declare.h"
#include "IMB_prototypes.h"
/*-------------------------------------------------------------*/
void IMB_err_hand(int ERR_IS_MPI, int ERR_CODE )
/*
Handles input error code.
Retrieves error string (MPI_Error_string) if is an MPI error code
Calls MPI_Abort
Input variables:
-ERR_IS_MPI (type int)
Logical flag: error code belongs to MPI or not
-ERR_CODE (type int)
Input error code. If an MPI error code, the string is retrieved.
Anyway MPI_Abort is called
*/
{
int i_break;
if(! ERR_IS_MPI )
{
i_break=1;
fprintf(stderr,"Application error code %d occurred\n",ERR_CODE);
switch(ERR_CODE)
{
case APPL_ERR_INVCASE: fprintf(stderr,"INVALID benchmark name\n");
break;
case APPL_ERR_MALLOC : fprintf(stderr,"Malloc failed \n");
break;
case APPL_ERR_CINFO : fprintf(stderr,"Invalid \"c_info\" setup\n");
break;
}
ERR_CODE=MPI_ERR_INTERN;
}
else if ( ERR_CODE != MPI_SUCCESS )
{
char aux_string[MPI_MAX_ERROR_STRING];
int L;
i_break=1;
fprintf(stderr,"MPI error %d occurred\n",ERR_CODE);
MPI_Error_string(ERR_CODE,aux_string, &L);
fprintf(stderr,"%s\n",aux_string);
}
else i_break=0;
if(i_break )
{
MPI_Abort(MPI_COMM_WORLD, ERR_CODE);
}
}
void IMB_errors_mpi(MPI_Comm * comm, int* ierr, ...)
/*
Error handler callback for MPI-1 errors
Input variables:
-comm (type MPI_Comm *)
Communicator which is in error
-ierr (type int*)
MPI error code
*/
{
IMB_err_hand(1,*ierr);
}
#ifdef EXT
void IMB_errors_win(MPI_Win * WIN, int* ierr, ...)
/*
Error handler callback for onesided communications errors
Input variables:
-WIN (type MPI_Win *)
MPI Window which is in error
-ierr (type int*)
MPI error code
*/
{
IMB_err_hand(1,*ierr);
}
#endif
#ifdef MPIIO
void IMB_errors_io (MPI_File * fh, int* ierr, ...)
/*
Error handler callback for MPI-IO errors
Input variables:
-fh (type MPI_File *)
MPI File which is in error
-ierr (type int*)
MPI error code
*/
{
IMB_err_hand(1,*ierr);
}
#endif
void IMB_init_errhand(struct comm_info* c_info)
/*
Creates MPI error handler component of c_info by MPI_<>_create_errhandler
In/out variables:
-c_info (type struct comm_info*)
Collection of all base data for MPI;
see [1] for more information
Error handler component is created
(c_info->ERR for MPI-1; c_info->ERRW for EXT; c_info->ERRF for MPIIO)
*/
{
#ifdef SET_ERRH
MPI_Errhandler_create(IMB_errors_mpi,&c_info->ERR);
#ifdef EXT
MPI_Win_create_errhandler(IMB_errors_win, &c_info->ERRW);
#endif
#ifdef MPIIO
MPI_File_create_errhandler(IMB_errors_io, &c_info->ERRF);
#endif
#endif
}
void IMB_set_errhand(struct comm_info* c_info)
/*
Sets MPI error handler component of c_info by MPI_<>_set_errhandler
In/out variables:
-c_info (type struct comm_info*)
Collection of all base data for MPI;
see [1] for more information
Error handler component is set
*/
{
#ifdef SET_ERRH
if( c_info->communicator != MPI_COMM_NULL )
MPI_Errhandler_set(c_info->communicator, c_info->ERR);
#ifdef EXT
if( c_info->WIN != MPI_WIN_NULL )
MPI_Win_set_errhandler(c_info->WIN, c_info->ERRW);
#endif
#ifdef MPIIO
if( c_info->fh != MPI_FILE_NULL )
MPI_File_set_errhandler(c_info->fh, c_info->ERRF);
#endif
#endif
}
void IMB_del_errhand(struct comm_info* c_info)
/*
Deletes MPI error handler component of c_info by MPI_Errhandler_free
In/out variables:
-c_info (type struct comm_info*)
Collection of all base data for MPI;
see [1] for more information
MPI error handler component of c_info is deleted
*/
{
#ifdef SET_ERRH
MPI_Errhandler_free(&c_info->ERR);
#ifdef EXT
MPI_Errhandler_free(&c_info->ERRW);
#endif
#ifdef MPIIO
MPI_Errhandler_free(&c_info->ERRF);
#endif
#endif
}
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