mirror of
git://gcc.gnu.org/git/gcc.git
synced 2024-12-24 02:49:15 +08:00
88 lines
2.2 KiB
C
88 lines
2.2 KiB
C
/* Implement tasking-related runtime actions for CHILL.
|
|
Copyright (C) 1992,1993 Free Software Foundation, Inc.
|
|
Author: Wilfried Moser
|
|
|
|
This file is part of GNU CC.
|
|
|
|
GNU CC is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2, or (at your option)
|
|
any later version.
|
|
|
|
GNU CC is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with GNU CC; see the file COPYING. If not, write to
|
|
the Free Software Foundation, 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
/* As a special exception, if you link this library with other files,
|
|
some of which are compiled with GCC, to produce an executable,
|
|
this library does not by itself cause the resulting executable
|
|
to be covered by the GNU General Public License.
|
|
This exception does not however invalidate any other reasons why
|
|
the executable file might be covered by the GNU General Public License. */
|
|
|
|
#include "rtltypes.h"
|
|
#include "rts.h"
|
|
|
|
/*
|
|
* function __queue_length
|
|
*
|
|
* parameters:
|
|
* buf_ev Buffer or event location
|
|
* is_event 0 .. buf_ev is a buffer location
|
|
* 1 .. buf_ev is an event location
|
|
*
|
|
* returns:
|
|
* int number of delayed processeson an event location
|
|
* or number of send delayed processes on a buffer
|
|
*
|
|
* exceptions:
|
|
* none
|
|
*
|
|
* abstract:
|
|
* implements the QUEUE_LENGTH built-in.
|
|
*
|
|
*/
|
|
|
|
int
|
|
__queue_length (buf_ev, is_event)
|
|
void *buf_ev;
|
|
int is_event;
|
|
{
|
|
int retval = 0;
|
|
|
|
/* if buf_ev == 0 then we don't have anything */
|
|
if (buf_ev == 0)
|
|
return 0;
|
|
|
|
if (is_event)
|
|
{
|
|
/* process an event queue */
|
|
Event_Queue *ev = buf_ev;
|
|
|
|
while (ev)
|
|
{
|
|
retval++;
|
|
ev = ev->forward;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* process a buffer queue */
|
|
Buffer_Queue *bq = buf_ev;
|
|
Buffer_Send_Queue *bsq = bq->sendqueue;
|
|
|
|
while (bsq)
|
|
{
|
|
retval++;
|
|
bsq = bsq->forward;
|
|
}
|
|
}
|
|
return retval;
|
|
}
|