MPI_Comm_set_errhandler man page on DragonFly

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MPI_Comm_set_errhandler(3)	      MPI	    MPI_Comm_set_errhandler(3)

NAME
       MPI_Comm_set_errhandler -  Set the error handler for a communicator

SYNOPSIS
       int MPI_Comm_set_errhandler(MPI_Comm comm, MPI_Errhandler errhandler)

INPUT PARAMETERS
       comm   - communicator (handle)
       errhandler
	      - new error handler for communicator (handle)

THREAD AND INTERRUPT SAFETY
       This  routine  is thread and interrupt safe only if no MPI routine that
       updates or frees the same MPI object may be  called  concurrently  with
       this routine.

       The MPI standard defined a thread-safe interface but this does not mean
       that all routines may be called without any thread locks.  For example,
       two  threads  must  not	attempt	 to  change  the  contents of the same
       MPI_Info object concurrently.  The user is responsible in this case for
       using  some  mechanism,	such  as thread locks, to ensure that only one
       thread at a time makes use of this routine.

NOTES FOR FORTRAN
       All MPI routines in Fortran (except for MPI_WTIME and MPI_WTICK )  have
       an  additional  argument ierr at the end of the argument list.  ierr is
       an integer and has the same meaning as the return value of the  routine
       in  C.	In Fortran, MPI routines are subroutines, and are invoked with
       the call statement.

       All MPI objects (e.g., MPI_Datatype , MPI_Comm ) are of type INTEGER in
       Fortran.

ERRORS
       All  MPI	 routines  (except  MPI_Wtime  and MPI_Wtick ) return an error
       value; C routines as the value of the function and Fortran routines  in
       the last argument.  Before the value is returned, the current MPI error
       handler is called.  By default, this error handler aborts the MPI  job.
       The error handler may be changed with MPI_Comm_set_errhandler (for com‐
       municators),	MPI_File_set_errhandler	    (for      files),	   and
       MPI_Win_set_errhandler	(for   RMA   windows).	  The	MPI-1  routine
       MPI_Errhandler_set may be used but its use is deprecated.   The	prede‐
       fined error handler MPI_ERRORS_RETURN may be used to cause error values
       to be returned.	Note that MPI does not guarentee that an  MPI  program
       can  continue  past an error; however, MPI implementations will attempt
       to continue whenever possible.

       MPI_SUCCESS
	      - No error; MPI routine completed successfully.
       MPI_ERR_COMM
	      - Invalid communicator.  A common error is to use a null	commu‐
	      nicator in a call (not even allowed in MPI_Comm_rank ).
       MPI_ERR_OTHER
	      -	 Other	error;	use  MPI_Error_string  to get more information
	      about this error code.

SEE ALSO
       MPI_Comm_get_errhandler, MPI_Comm_call_errhandler

LOCATION
       src/mpi/errhan/comm_set_errhandler.c

				   9/20/2012	    MPI_Comm_set_errhandler(3)
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