stackprio.c

minix3的源代码

/*
  (c) copyright 1988 by the Vrije Universiteit, Amsterdam, The Netherlands.
  See the copyright notice in the ACK home directory, in the file "Copyright".
*/

/*
  Module:	Dummy priority routines
  Author:	Ceriel J.H. Jacobs
  Version:	$Header: /cvsup/minix/src/lib/ack/libm2/stackprio.c,v 1.1 2005/10/10 15:27:46 beng Exp $
*/

static unsigned prio = 0;

stackprio(n)
	unsigned n;
{
	unsigned old = prio;

	if (n > prio) prio = n;
	return old;
}

unstackprio(n)
	unsigned n;
{
	prio = n;
}