csi_ccan(3)                         CLIX                         csi_ccan(3)



  NAME

    csi_ccan - Cancels a specific command on a Command Status Interface (CSI)
    port

  LIBRARY

    Intergraph Device Library (libix.a)

  SYNOPSIS

    #include <sys/xio/xerr.h>

    int csi_ccan(
      int channel ,
      int cmd );

  PARAMETERS

    channel   An integer representing a Command Status Interface(CSI) channel

    cmd       An integer representing a CSI command

  DESCRIPTION

    The csi_ccan() function terminates the pending cmd associated with the
    calling process on the Command Status Interface (CSI) port of the Image
    System Interface (ISI) board referenced by channel.  The channel must have
    been opened with csi_open().

  RETURN VALUES

    Upon successful completion, a value of 0 is returned.  Otherwise, one of
    the following failure codes is returned.

  ERRORS

    The csi_ccan() function will fail if one of the following is true:

    [XIO_FAILURE]
           The system does not contain the driver needed to support this
           request.

    [ISI_CHANNEL_NOT_OPEN]
           The specified channel is not open for this process.

  RELATED INFORMATION

    Functions:  csi_open(3), csi_cmd(3), csi_dstat(3)

    Files:  xcsi(7)



  2/94 - Intergraph Corporation                                              1