tcpkilltimers.c

来自「TCP-IP红宝书源代码」· C语言 代码 · 共 23 行

/* tcpkilltimers.c - tcpkilltimers */

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

/*------------------------------------------------------------------------
 *  tcpkilltimers -  kill all outstanding timers for a TCB
 *------------------------------------------------------------------------
 */
int
tcpkilltimers(struct tcb *ptcb)
{
	int	tcbnum = ptcb - &tcbtab[0];

	/* clear all possible pending timers */

	tmclear(tcps_oport, MKEVENT(SEND, tcbnum));
	tmclear(tcps_oport, MKEVENT(RETRANSMIT, tcbnum));
	tmclear(tcps_oport, MKEVENT(PERSIST, tcbnum));
	return OK;
}