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/* This file is part of the Project Athena Zephyr Notification System.
* It contains source for the ZPending function.
*
* Created by: Robert French
*
* $Id: ZPending.c 2135 2008-01-21 03:39:30Z kcr $
*
* Copyright (c) 1987 by the Massachusetts Institute of Technology.
* For copying and distribution information, see the file
* "mit-copyright.h".
*/
#ifndef lint
static const char rcsid_ZPending_c[] = "$Id: ZPending.c 2135 2008-01-21 03:39:30Z kcr $";
#endif
#include <internal.h>
int
ZPending(void)
{
int retval;
if (ZGetFD() < 0) {
errno = ZERR_NOPORT;
return (-1);
}
if ((retval = Z_ReadEnqueue()) != ZERR_NONE) {
errno = retval;
return (-1);
}
return(ZQLength());
}
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