vsig(1)                             CLIX                             vsig(1)



  NAME

    vsig - Synchronizes a co-process with the controlling object in FMLI

  SYNOPSIS

    vsig

  DESCRIPTION

    The vsig executable is a part of the Form and Menu Language Interface
    (FMLI).  The vsig executable synchronizes a co-process with the
    controlling FMLI object by flushing all output from the co-process into
    the pipe and sending a signal to FMLI.

    The executable sends a SIGUSR2 signal to the controlling FMLI process.
    This signal/alarm causes FMLI to execute the developer keyword checkworld,
    which causes all posted objects with a reread descriptor evaluating to
    TRUE to be reread.

  EXAMPLES

    The following is a segment of a shell program:

    echo "Sending this string to an FMLI process"
    vsig

    In this program, the vsig command flushes the output buffer before it
    sends the SIGUSR2 signal.  This ensures that the string is actually in the
    pipe created by the cocreate built-in FMLI function.

  RELATED INFORMATION

    Commands:  coproc(1)

    Functions:  signal(2)


















  2/94 - Intergraph Corporation                                              1