tcppersist.c,v

来自「TCP-IP红宝书源代码」· C,V 代码 · 共 61 行

head	1.2;
access;
symbols;
locks
	dls:1.2; strict;
comment	@ * @;


1.2
date	97.09.21.19.29.52;	author dls;	state Dist;
branches;
next	1.1;

1.1
date	94.01.14.03.51.20;	author dls;	state v2e1;
branches;
next	;


desc
@@


1.2
log
@pre-3e code
@
text
@/* tcppersist.c - tcppersist */

#include <conf.h>
#include <kernel.h>
#include <network.h>

/*------------------------------------------------------------------------
 *  tcppersist - handle events while the send window is closed
 *------------------------------------------------------------------------
 */
int tcppersist(tcbnum, event)
int	tcbnum, event;
{
	struct	tcb	*ptcb = &tcbtab[tcbnum];

	if (event != PERSIST)
		return OK;	/* ignore everything else */
	tcpsend(tcbnum, TSF_REXMT);
	ptcb->tcb_persist = min(ptcb->tcb_persist<<1, TCP_MAXPRS);
	tmset(tcps_oport, TCPQLEN, MKEVENT(PERSIST, tcbnum),
		ptcb->tcb_persist);
	return OK;
}
@


1.1
log
@Initial revision
@
text
@@