src/protocols/zephyr/ZClosePort.c

   1 /* This file is part of the Project Athena Zephyr Notification System.
   2  * It contains source for the ZClosePort function.
   3  *
   4  *      Created by:     Robert French
   5  *
   6  *      $Source$
   7  *      $Author: warmenhoven $
   8  *
   9  *      Copyright (c) 1987 by the Massachusetts Institute of Technology.
  10  *      For copying and distribution information, see the file
  11  *      "mit-copyright.h".
  12  */
  13 /* $Header$ */
  14
  15 #include <internal.h>
  16
  17 #ifndef lint
  18 static const char rcsid_ZClosePort_c[] = "$Id: ZClosePort.c 2096 2001-07-31 01:00:39Z warmenhoven $";
  19 #endif
  20
  21 Code_t ZClosePort()
  22 {
  23     if (__Zephyr_fd >= 0 && __Zephyr_open)
  24         (void) close(__Zephyr_fd);
  25
  26     __Zephyr_fd = -1;
  27     __Zephyr_open = 0;
  28
  29     return (ZERR_NONE);
  30 }