tcpostate.c,v

来自「TCP-IP红宝书源代码」· C,V 代码 · 共 68 行

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date	97.09.21.19.29.52;	author dls;	state Dist;
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date	94.01.14.03.51.20;	author dls;	state v2e1;
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@/* tcpostate.c - tcpostate */

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

/*------------------------------------------------------------------------
 *  tcpostate - do TCP output state processing after an ACK
 *------------------------------------------------------------------------
 */
int tcpostate(ptcb, acked)
struct	tcb	*ptcb;
int		acked;
{
	if (acked <= 0)
		return OK;	/* no state change */
	if (ptcb->tcb_ostate == TCPO_REXMT) {
		ptcb->tcb_rexmtcount = 0;
		ptcb->tcb_ostate = TCPO_XMIT;
	}
	if (ptcb->tcb_sbcount == 0) {
		ptcb->tcb_ostate = TCPO_IDLE;
		return OK;
	}
	tcpkick(ptcb);
	return OK;
}
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@a14 2
	int	tcbnum = ptcb - &tcbtab[0];

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