NAME

       MPI_Abort - Terminates MPI execution environment.

SYNTAX

C Syntax

       #include <mpi.h>
       int MPI_Abort(MPI_Comm comm, int errorcode)

Fortran Syntax

       INCLUDE 'mpif.h'
       MPI_ABORT(COMM, ERRORCODE, IERROR)
            INTEGER        COMM, ERRORCODE, IERROR

C++ Syntax

       #include <mpi.h>
       void Comm::Abort(int errorcode)

INPUT PARAMETERS

       comm      Communicator of tasks to abort.

       errorcode Error code to return to invoking environment.

OUTPUT PARAMETER

       IERROR    Fortran only: Error status (integer).

DESCRIPTION

       This  routine  makes  a  "best  attempt"  to abort all tasks in the group of comm. This function does not
       require that the invoking environment take any action with the error  code.  However,  a  UNIX  or  POSIX
       environment should handle this as a return errorcode from the main program or an abort (errorcode).

       The Open MPI implementation terminates all processes in all tasks that contain a process in comm, and the
       error code is not returned to the invoking environment.

       Note: All associated processes are sent a SIGTERM.

ERRORS

       Almost  all  MPI  routines  return  an  error  value; C routines as the value of the function and Fortran
       routines in the last argument. C++ functions do not return errors. If the default error handler is set to
       MPI::ERRORS_THROW_EXCEPTIONS, then on error the  C++  exception  mechanism  will  be  used  to  throw  an
       MPI:Exception object.

       Before  the  error  value  is  returned,  the current MPI error handler is called. By default, this error
       handler aborts the MPI job, except for I/O function  errors.  The  error  handler  may  be  changed  with
       MPI_Comm_set_errhandler; the predefined error handler MPI_ERRORS_RETURN may be used to cause error values
       to be returned. Note that MPI does not guarantee that an MPI program can continue past an error.

1.6.5                                             Jun 26, 2013                                      MPI_Abort(3)