petsc-3.3-p7 2013-05-11

PetscPushErrorHandler

Sets a routine to be called on detection of errors.

Synopsis

#include "petscsys.h" 
PetscErrorCode  PetscPushErrorHandler(PetscErrorCode (*handler)(MPI_Comm comm,int,const char *,const char*,const char*,PetscErrorCode,PetscErrorType,const char*,void*),void *ctx)

Not Collective

Input Parameters

	handler	- error handler routine
	ctx	- optional handler context that contains information needed by the handler (for example file pointers for error messages etc.)

Calling sequence of handler

   int handler(MPI_Comm comm,int line,char *func,char *file,char *dir,PetscErrorCode n,int p,char *mess,void *ctx);

	comm	- communicator over which error occured
	func	- the function where the error occured (indicated by __FUNCT__)
	line	- the line number of the error (indicated by __LINE__)
	file	- the file in which the error was detected (indicated by __FILE__)
	dir	- the directory of the file (indicated by __SDIR__)
	n	- the generic error number (see list defined in include/petscerror.h)
	p	- PETSC_ERROR_INITIAL if error just detected, otherwise PETSC_ERROR_REPEAT
	mess	- an error text string, usually just printed to the screen
	ctx	- the error handler context

Options Database Keys

Notes

The currently available PETSc error handlers include PetscTraceBackErrorHandler(), PetscAttachDebuggerErrorHandler(), PetscAbortErrorHandler(), and PetscMPIAbortErrorHandler(), PetscReturnErrorHandler().

Fortran Notes: You can only push one error handler from Fortran before poping it.

Examples

src/ksp/ksp/examples/tutorials/ex27.c.html

-on_error_attach_debugger <noxterm,gdb or dbx>

- - -on_error_abort