harvey/sys/src/libventi/hangup.c

/*
 * This file is part of the UCB release of Plan 9. It is subject to the license
 * terms in the LICENSE file found in the top-level directory of this
 * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
 * part of the UCB release of Plan 9, including this file, may be copied,
 * modified, propagated, or distributed except according to the terms contained
 * in the LICENSE file.
 */

#include <u.h>
#ifdef PLAN9PORT
#include <sys/socket.h>
#endif
#include <libc.h>
#include <venti.h>
#include "queue.h"

void
vthangup(VtConn *z)
{
	qlock(&z->lk);
	z->state = VtStateClosed;
#ifdef PLAN9PORT
	/* try to make the read in vtrecvproc fail */
	shutdown(SHUT_WR, z->infd);
	shutdown(SHUT_WR, z->outfd);
#endif
	if(z->infd >= 0)
		close(z->infd);
	if(z->outfd >= 0 && z->outfd != z->infd)
		close(z->outfd);
	z->infd = -1;
	z->outfd = -1;
	if(z->writeq)
		_vtqhangup(z->writeq);
	if(z->readq)
		_vtqhangup(z->readq);
	qunlock(&z->lk);
}