PetscPushErrorHandler

 Sets a routine to be called on detection of errors.

Synopsis

#include "petsc.h" 
PetscErrorCode PETSC_DLLEXPORT PetscPushErrorHandler(PetscErrorCode (*handler)(int,const char *,const char*,const char*,PetscErrorCode,int,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(int line,char *func,char *file,char *dir,PetscErrorCode n,int p,char *mess,void *ctx);

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 - the specific error number
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 PetscStopErrorHandler(), PetscReturnErrorHandler().

See Also

PetscPopErrorHandler(), PetscAttachDebuggerErrorHandler(), PetscAbortErrorHandler(), PetscTraceBackErrorHandler()

Level:intermediate
Location:src/sys/error/err.c
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages

Examples

src/ksp/ksp/examples/tutorials/ex27.c.html
-on_error_attach_debugger <noxterm,gdb or dbx>- - -on_error_abort