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<div id="version" align=right><b>petsc-3.7.5 2017-01-01</b></div>
<div id="bugreport" align=right><a href="mailto:petsc-maint@mcs.anl.gov?subject=Typo or Error in Documentation &body=Please describe the typo or error in the documentation: petsc-3.7.5 v3.7.5 docs/manualpages/Sys/PetscAbortErrorHandler.html "><small>Report Typos and Errors</small></a></div>
<A NAME="PetscAbortErrorHandler"><H1>PetscAbortErrorHandler</H1></A>
Error handler that calls abort on error. This routine is very useful when running in the debugger, because the user can look directly at the stack frames and the variables.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscsys.h"
PetscErrorCode PetscAbortErrorHandler(MPI_Comm comm,int line,const char *fun,const char *file,PetscErrorCode n,PetscErrorType p,const char *mess,void *ctx)
</PRE>
Not Collective
<P>
<H3><FONT COLOR="#CC3333">Input Parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>comm </B></TD><TD>- communicator over which error occurred
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>line </B></TD><TD>- the line number of the error (indicated by __LINE__)
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>func </B></TD><TD>- function where error occured (indicated by __FUNCT__)
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>file </B></TD><TD>- the file in which the error was detected (indicated by __FILE__)
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>mess </B></TD><TD>- an error text string, usually just printed to the screen
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>n </B></TD><TD>- the generic error number
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>p </B></TD><TD>- specific error number
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>ctx </B></TD><TD>- error handler context
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Options Database Keys</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-on_error_abort </B></TD><TD>- Activates aborting when an error is encountered
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-start_in_debugger [noxterm,dbx,xxgdb] [</B></TD><TD>- display name] - Starts all
processes in the debugger and uses <A HREF="../Sys/PetscAbortErrorHandler.html#PetscAbortErrorHandler">PetscAbortErrorHandler</A>(). By default the
debugger is gdb; alternatives are dbx and xxgdb.
</TD></TR></TABLE>
<P>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
Most users need not directly employ this routine and the other error
handlers, but can instead use the simplified interface <A HREF="../Sys/SETERRQ.html#SETERRQ">SETERRQ</A>, which
has the calling sequence
<pre>
<A HREF="../Sys/SETERRQ.html#SETERRQ">SETERRQ</A>(comm,number,mess)
</pre>
or its variants, <A HREF="../Sys/SETERRQ1.html#SETERRQ1">SETERRQ1</A>(number,formatstring,arg1), <A HREF="../Sys/SETERRQ2.html#SETERRQ2">SETERRQ2</A>(), ... that
allow including arguments in the message.
<P>
<H3><FONT COLOR="#CC3333">Notes for experienced users</FONT></H3>
Use <A HREF="../Sys/PetscPushErrorHandler.html#PetscPushErrorHandler">PetscPushErrorHandler</A>() to set the desired error handler. The
currently available PETSc error handlers include <A HREF="../Sys/PetscTraceBackErrorHandler.html#PetscTraceBackErrorHandler">PetscTraceBackErrorHandler</A>(),
<A HREF="../Sys/PetscAttachDebuggerErrorHandler.html#PetscAttachDebuggerErrorHandler">PetscAttachDebuggerErrorHandler</A>(), and <A HREF="../Sys/PetscAbortErrorHandler.html#PetscAbortErrorHandler">PetscAbortErrorHandler</A>().
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Sys/PetscPushErrorHandler.html#PetscPushErrorHandler">PetscPushErrorHandler</A>(), <A HREF="../Sys/PetscTraceBackErrorHandler.html#PetscTraceBackErrorHandler">PetscTraceBackErrorHandler</A>(),
<BR><A HREF="../Sys/PetscAttachDebuggerErrorHandler.html#PetscAttachDebuggerErrorHandler">PetscAttachDebuggerErrorHandler</A>()
<P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>developer
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/sys/error/errabort.c.html#PetscAbortErrorHandler">src/sys/error/errabort.c</A>
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