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C++ INP_WLOCK函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中INP_WLOCK函数的典型用法代码示例。如果您正苦于以下问题：C++ INP_WLOCK函数的具体用法？C++ INP_WLOCK怎么用？C++ INP_WLOCK使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了INP_WLOCK函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: do_act_establish

/*
 * Active open failed.
 */
static int
do_act_establish(struct sge_iq *iq, const struct rss_header *rss,
    struct mbuf *m)
{
	struct adapter *sc = iq->adapter;
	const struct cpl_act_establish *cpl = (const void *)(rss + 1);
	unsigned int tid = GET_TID(cpl);
	unsigned int atid = G_TID_TID(ntohl(cpl->tos_atid));
	struct toepcb *toep = lookup_atid(sc, atid);
	struct inpcb *inp = toep->inp;

	KASSERT(m == NULL, ("%s: wasn't expecting payload", __func__));
	KASSERT(toep->tid == atid, ("%s: toep tid/atid mismatch", __func__));

	CTR3(KTR_CXGBE, "%s: atid %u, tid %u", __func__, atid, tid);
	free_atid(sc, atid);

	INP_WLOCK(inp);
	toep->tid = tid;
	insert_tid(sc, tid, toep);
	if (inp->inp_flags & INP_DROPPED) {

		/* socket closed by the kernel before hw told us it connected */

		send_flowc_wr(toep, NULL);
		send_reset(sc, toep, be32toh(cpl->snd_isn));
		goto done;
	}

	make_established(toep, cpl->snd_isn, cpl->rcv_isn, cpl->tcp_opt);
done:
	INP_WUNLOCK(inp);
	return (0);
}
开发者ID:JabirTech，项目名称:Source，代码行数:37，代码来源:t4_connect.c


示例2: tcp_timer_delack

void
tcp_timer_delack(void *xtp)
{
	struct tcpcb *tp = xtp;
	struct inpcb *inp;
	CURVNET_SET(tp->t_vnet);

	inp = tp->t_inpcb;
	/*
	 * XXXRW: While this assert is in fact correct, bugs in the tcpcb
	 * tear-down mean we need it as a work-around for races between
	 * timers and tcp_discardcb().
	 *
	 * KASSERT(inp != NULL, ("tcp_timer_delack: inp == NULL"));
	 */
	if (inp == NULL) {
		tcp_timer_race++;
		CURVNET_RESTORE();
		return;
	}
	INP_WLOCK(inp);
	if ((inp->inp_flags & INP_DROPPED) || callout_pending(&tp->t_timers->tt_delack)
	    || !callout_active(&tp->t_timers->tt_delack)) {
		INP_WUNLOCK(inp);
		CURVNET_RESTORE();
		return;
	}
	callout_deactivate(&tp->t_timers->tt_delack);

	tp->t_flags |= TF_ACKNOW;
	TCPSTAT_INC(tcps_delack);
	(void) tcp_output(tp);
	INP_WUNLOCK(inp);
	CURVNET_RESTORE();
}
开发者ID:carriercomm，项目名称:libuinet，代码行数:35，代码来源:tcp_timer.c


示例3: udp6_abort

static void
udp6_abort(struct socket *so)
{
	struct inpcb *inp;
	struct inpcbinfo *pcbinfo;

	pcbinfo = udp_get_inpcbinfo(so->so_proto->pr_protocol);
	inp = sotoinpcb(so);
	KASSERT(inp != NULL, ("udp6_abort: inp == NULL"));

	INP_WLOCK(inp);
#ifdef INET
	if (inp->inp_vflag & INP_IPV4) {
		struct pr_usrreqs *pru;
		uint8_t nxt;

		nxt = (inp->inp_socket->so_proto->pr_protocol == IPPROTO_UDP) ?
		    IPPROTO_UDP : IPPROTO_UDPLITE;
		INP_WUNLOCK(inp);
		pru = inetsw[ip_protox[nxt]].pr_usrreqs;
		(*pru->pru_abort)(so);
		return;
	}
#endif

	if (!IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_faddr)) {
		INP_HASH_WLOCK(pcbinfo);
		in6_pcbdisconnect(inp);
		inp->in6p_laddr = in6addr_any;
		INP_HASH_WUNLOCK(pcbinfo);
		soisdisconnected(so);
	}
	INP_WUNLOCK(inp);
}
开发者ID:JasonFord53，项目名称:freebsd，代码行数:34，代码来源:udp6_usrreq.c


示例4: udp6_close

static void
udp6_close(struct socket *so)
{
	struct inpcb *inp;
	struct inpcbinfo *pcbinfo;

	pcbinfo = get_inpcbinfo(so->so_proto->pr_protocol);
	inp = sotoinpcb(so);
	KASSERT(inp != NULL, ("udp6_close: inp == NULL"));

#ifdef INET
	if (inp->inp_vflag & INP_IPV4) {
		struct pr_usrreqs *pru;

		pru = inetsw[ip_protox[IPPROTO_UDP]].pr_usrreqs;
		(*pru->pru_disconnect)(so);
		return;
	}
#endif
	INP_WLOCK(inp);
	if (!IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_faddr)) {
		INP_HASH_WLOCK(pcbinfo);
		in6_pcbdisconnect(inp);
		inp->in6p_laddr = in6addr_any;
		INP_HASH_WUNLOCK(pcbinfo);
		soisdisconnected(so);
	}
	INP_WUNLOCK(inp);
}
开发者ID:mr-justin，项目名称:freebsd，代码行数:29，代码来源:udp6_usrreq.c


示例5: do_abort_rpl

/*
 * Reply to the CPL_ABORT_REQ (send_reset)
 */
static int
do_abort_rpl(struct sge_iq *iq, const struct rss_header *rss, struct mbuf *m)
{
	struct adapter *sc = iq->adapter;
	const struct cpl_abort_rpl_rss *cpl = (const void *)(rss + 1);
	unsigned int tid = GET_TID(cpl);
	struct toepcb *toep = lookup_tid(sc, tid);
	struct inpcb *inp = toep->inp;
#ifdef INVARIANTS
	unsigned int opcode = G_CPL_OPCODE(be32toh(OPCODE_TID(cpl)));
#endif

	KASSERT(opcode == CPL_ABORT_RPL_RSS,
	    ("%s: unexpected opcode 0x%x", __func__, opcode));
	KASSERT(m == NULL, ("%s: wasn't expecting payload", __func__));

	if (toep->flags & TPF_SYNQE)
		return (do_abort_rpl_synqe(iq, rss, m));

	KASSERT(toep->tid == tid, ("%s: toep tid mismatch", __func__));

	CTR5(KTR_CXGBE, "%s: tid %u, toep %p, inp %p, status %d",
	    __func__, tid, toep, inp, cpl->status);

	KASSERT(toep->flags & TPF_ABORT_SHUTDOWN,
	    ("%s: wasn't expecting abort reply", __func__));

	INP_WLOCK(inp);
	final_cpl_received(toep);

	return (0);
}
开发者ID:ornarium，项目名称:freebsd，代码行数:35，代码来源:t4_cpl_io.c


示例6: set_tcpinfo

static int
set_tcpinfo(struct iwch_ep *ep)
{
	struct socket *so = ep->com.so;
	struct inpcb *inp = sotoinpcb(so);
	struct tcpcb *tp;
	struct toepcb *toep;
	int rc = 0;

	INP_WLOCK(inp);
	tp = intotcpcb(inp);

	if ((tp->t_flags & TF_TOE) == 0) {
		rc = EINVAL;
		printf("%s: connection NOT OFFLOADED!\n", __func__);
		goto done;
	}
	toep = tp->t_toe;

	ep->hwtid = toep->tp_tid;
	ep->snd_seq = tp->snd_nxt;
	ep->rcv_seq = tp->rcv_nxt;
	ep->emss = tp->t_maxseg;
	if (ep->emss < 128)
		ep->emss = 128;
done:
	INP_WUNLOCK(inp);
	return (rc);

}
开发者ID:cyrilmagsuci，项目名称:freebsd，代码行数:30，代码来源:iw_cxgb_cm.c


示例7: udp_connect

static int
udp_connect(struct socket *so, struct sockaddr *nam, struct thread *td)
{
	struct inpcb *inp;
	struct inpcbinfo *pcbinfo;
	struct sockaddr_in *sin;
	int error;

	pcbinfo = get_inpcbinfo(so->so_proto->pr_protocol);
	inp = sotoinpcb(so);
	KASSERT(inp != NULL, ("udp_connect: inp == NULL"));
	INP_WLOCK(inp);
	if (inp->inp_faddr.s_addr != INADDR_ANY) {
		INP_WUNLOCK(inp);
		return (EISCONN);
	}
	sin = (struct sockaddr_in *)nam;
	error = prison_remote_ip4(td->td_ucred, &sin->sin_addr);
	if (error != 0) {
		INP_WUNLOCK(inp);
		return (error);
	}
	INP_HASH_WLOCK(pcbinfo);
	error = in_pcbconnect(inp, nam, td->td_ucred);
	INP_HASH_WUNLOCK(pcbinfo);
	if (error == 0)
		soisconnected(so);
	INP_WUNLOCK(inp);
	return (error);
}
开发者ID:ChristosKa，项目名称:freebsd，代码行数:30，代码来源:udp_usrreq.c


示例8: tcp_timer_delack

void
tcp_timer_delack(void *xtp)
{
	struct tcpcb *tp = xtp;
	struct inpcb *inp;
	CURVNET_SET(tp->t_vnet);

	inp = tp->t_inpcb;
	KASSERT(inp != NULL, ("%s: tp %p tp->t_inpcb == NULL", __func__, tp));
	INP_WLOCK(inp);
	if (callout_pending(&tp->t_timers->tt_delack) ||
	    !callout_active(&tp->t_timers->tt_delack)) {
		INP_WUNLOCK(inp);
		CURVNET_RESTORE();
		return;
	}
	callout_deactivate(&tp->t_timers->tt_delack);
	if ((inp->inp_flags & INP_DROPPED) != 0) {
		INP_WUNLOCK(inp);
		CURVNET_RESTORE();
		return;
	}
	tp->t_flags |= TF_ACKNOW;
	TCPSTAT_INC(tcps_delack);
	(void) tp->t_fb->tfb_tcp_output(tp);
	INP_WUNLOCK(inp);
	CURVNET_RESTORE();
}
开发者ID:jaredmcneill，项目名称:freebsd，代码行数:28，代码来源:tcp_timer.c


示例9: tcp_offload_twstart

void
tcp_offload_twstart(struct tcpcb *tp)
{

	INP_INFO_WLOCK(&V_tcbinfo);
	INP_WLOCK(tp->t_inpcb);
	tcp_twstart(tp);
	INP_INFO_WUNLOCK(&V_tcbinfo);
}
开发者ID:FelixHaller，项目名称:libuinet，代码行数:9，代码来源:tcp_offload.c


示例10: udp_shutdown

int
udp_shutdown(struct socket *so)
{
	struct inpcb *inp;

	inp = sotoinpcb(so);
	KASSERT(inp != NULL, ("udp_shutdown: inp == NULL"));
	INP_WLOCK(inp);
	socantsendmore(so);
	INP_WUNLOCK(inp);
	return (0);
}
开发者ID:ChristosKa，项目名称:freebsd，代码行数:12，代码来源:udp_usrreq.c


示例11: tcp_offload_close

struct tcpcb *
tcp_offload_close(struct tcpcb *tp)
{

	INP_INFO_WLOCK(&V_tcbinfo);
	INP_WLOCK(tp->t_inpcb);
	tp = tcp_close(tp);
	INP_INFO_WUNLOCK(&V_tcbinfo);
	if (tp)
		INP_WUNLOCK(tp->t_inpcb);

	return (tp);
}
开发者ID:FelixHaller，项目名称:libuinet，代码行数:13，代码来源:tcp_offload.c


示例12: tcp_offload_drop

struct tcpcb *
tcp_offload_drop(struct tcpcb *tp, int error)
{

	INP_INFO_WLOCK(&V_tcbinfo);
	INP_WLOCK(tp->t_inpcb);
	tp = tcp_drop(tp, error);
	INP_INFO_WUNLOCK(&V_tcbinfo);
	if (tp)
		INP_WUNLOCK(tp->t_inpcb);

	return (tp);
}
开发者ID:FelixHaller，项目名称:libuinet，代码行数:13，代码来源:tcp_offload.c


示例13: tcp_inpinfo_lock_add

int
tcp_inpinfo_lock_add(struct inpcb *inp)
{
	in_pcbref(inp);
	INP_WUNLOCK(inp);
	INP_INFO_RLOCK(&V_tcbinfo);
	INP_WLOCK(inp);
	if (inp->inp_flags & (INP_TIMEWAIT | INP_DROPPED)) {
		return(1);
	}
	return(0);

}
开发者ID:jaredmcneill，项目名称:freebsd，代码行数:13，代码来源:tcp_timer.c


示例14: udp_bind

static int
udp_bind(struct socket *so, struct sockaddr *nam, struct thread *td)
{
	struct inpcb *inp;
	struct inpcbinfo *pcbinfo;
	int error;

	pcbinfo = get_inpcbinfo(so->so_proto->pr_protocol);
	inp = sotoinpcb(so);
	KASSERT(inp != NULL, ("udp_bind: inp == NULL"));
	INP_WLOCK(inp);
	INP_HASH_WLOCK(pcbinfo);
	error = in_pcbbind(inp, nam, td->td_ucred);
	INP_HASH_WUNLOCK(pcbinfo);
	INP_WUNLOCK(inp);
	return (error);
}
开发者ID:ChristosKa，项目名称:freebsd，代码行数:17，代码来源:udp_usrreq.c


示例15: act_open_failure_cleanup

void
act_open_failure_cleanup(struct adapter *sc, u_int atid, u_int status)
{
	struct toepcb *toep = lookup_atid(sc, atid);
	struct inpcb *inp = toep->inp;
	struct toedev *tod = &toep->td->tod;

	free_atid(sc, atid);
	toep->tid = -1;

	if (status != EAGAIN)
		INP_INFO_RLOCK(&V_tcbinfo);
	INP_WLOCK(inp);
	toe_connect_failed(tod, inp, status);
	final_cpl_received(toep);	/* unlocks inp */
	if (status != EAGAIN)
		INP_INFO_RUNLOCK(&V_tcbinfo);
}
开发者ID:jaredmcneill，项目名称:freebsd，代码行数:18，代码来源:t4_connect.c


示例16: tcp_inpinfo_lock_del

void
tcp_inpinfo_lock_del(struct inpcb *inp, struct tcpcb *tp)
{
	INP_INFO_RUNLOCK(&V_tcbinfo);
	if (inp && (tp == NULL)) {
		/*
		 * If tcp_close/drop() gets called and tp
		 * returns NULL, then the function dropped
		 * the inp lock, we hold a reference keeping
		 * this around, so we must re-aquire the 
		 * INP_WLOCK() in order to proceed with
		 * our dropping the inp reference.
		 */
		INP_WLOCK(inp);
	}
	if (inp && in_pcbrele_wlocked(inp) == 0)
		INP_WUNLOCK(inp);
}
开发者ID:jaredmcneill，项目名称:freebsd，代码行数:18，代码来源:tcp_timer.c


示例17: udp6_bind

static int
udp6_bind(struct socket *so, struct sockaddr *nam, struct thread *td)
{
	struct inpcb *inp;
	struct inpcbinfo *pcbinfo;
	int error;

	pcbinfo = udp_get_inpcbinfo(so->so_proto->pr_protocol);
	inp = sotoinpcb(so);
	KASSERT(inp != NULL, ("udp6_bind: inp == NULL"));

	INP_WLOCK(inp);
	INP_HASH_WLOCK(pcbinfo);
	inp->inp_vflag &= ~INP_IPV4;
	inp->inp_vflag |= INP_IPV6;
	if ((inp->inp_flags & IN6P_IPV6_V6ONLY) == 0) {
		struct sockaddr_in6 *sin6_p;

		sin6_p = (struct sockaddr_in6 *)nam;

		if (IN6_IS_ADDR_UNSPECIFIED(&sin6_p->sin6_addr))
			inp->inp_vflag |= INP_IPV4;
#ifdef INET
		else if (IN6_IS_ADDR_V4MAPPED(&sin6_p->sin6_addr)) {
			struct sockaddr_in sin;

			in6_sin6_2_sin(&sin, sin6_p);
			inp->inp_vflag |= INP_IPV4;
			inp->inp_vflag &= ~INP_IPV6;
			error = in_pcbbind(inp, (struct sockaddr *)&sin,
			    td->td_ucred);
			goto out;
		}
#endif
	}

	error = in6_pcbbind(inp, nam, td->td_ucred);
#ifdef INET
out:
#endif
	INP_HASH_WUNLOCK(pcbinfo);
	INP_WUNLOCK(inp);
	return (error);
}
开发者ID:JasonFord53，项目名称:freebsd，代码行数:44，代码来源:udp6_usrreq.c


示例18: udp_close

static void
udp_close(struct socket *so)
{
	struct inpcb *inp;
	struct inpcbinfo *pcbinfo;

	pcbinfo = get_inpcbinfo(so->so_proto->pr_protocol);
	inp = sotoinpcb(so);
	KASSERT(inp != NULL, ("udp_close: inp == NULL"));
	INP_WLOCK(inp);
	if (inp->inp_faddr.s_addr != INADDR_ANY) {
		INP_HASH_WLOCK(pcbinfo);
		in_pcbdisconnect(inp);
		inp->inp_laddr.s_addr = INADDR_ANY;
		INP_HASH_WUNLOCK(pcbinfo);
		soisdisconnected(so);
	}
	INP_WUNLOCK(inp);
}
开发者ID:ChristosKa，项目名称:freebsd，代码行数:19，代码来源:udp_usrreq.c


示例19: udp6_disconnect

static int
udp6_disconnect(struct socket *so)
{
	struct inpcb *inp;
	struct inpcbinfo *pcbinfo;
	int error;

	pcbinfo = udp_get_inpcbinfo(so->so_proto->pr_protocol);
	inp = sotoinpcb(so);
	KASSERT(inp != NULL, ("udp6_disconnect: inp == NULL"));

	INP_WLOCK(inp);
#ifdef INET
	if (inp->inp_vflag & INP_IPV4) {
		struct pr_usrreqs *pru;
		uint8_t nxt;

		nxt = (inp->inp_socket->so_proto->pr_protocol == IPPROTO_UDP) ?
		    IPPROTO_UDP : IPPROTO_UDPLITE;
		INP_WUNLOCK(inp);
		pru = inetsw[ip_protox[nxt]].pr_usrreqs;
		(void)(*pru->pru_disconnect)(so);
		return (0);
	}
#endif

	if (IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_faddr)) {
		error = ENOTCONN;
		goto out;
	}

	INP_HASH_WLOCK(pcbinfo);
	in6_pcbdisconnect(inp);
	inp->in6p_laddr = in6addr_any;
	INP_HASH_WUNLOCK(pcbinfo);
	SOCK_LOCK(so);
	so->so_state &= ~SS_ISCONNECTED;		/* XXX */
	SOCK_UNLOCK(so);
out:
	INP_WUNLOCK(inp);
	return (0);
}
开发者ID:JasonFord53，项目名称:freebsd，代码行数:42，代码来源:udp6_usrreq.c


示例20: udp6_detach

static void
udp6_detach(struct socket *so)
{
	struct inpcb *inp;
	struct inpcbinfo *pcbinfo;
	struct udpcb *up;

	pcbinfo = udp_get_inpcbinfo(so->so_proto->pr_protocol);
	inp = sotoinpcb(so);
	KASSERT(inp != NULL, ("udp6_detach: inp == NULL"));

	INP_INFO_WLOCK(pcbinfo);
	INP_WLOCK(inp);
	up = intoudpcb(inp);
	KASSERT(up != NULL, ("%s: up == NULL", __func__));
	in_pcbdetach(inp);
	in_pcbfree(inp);
	INP_INFO_WUNLOCK(pcbinfo);
	udp_discardcb(up);
}
开发者ID:JasonFord53，项目名称:freebsd，代码行数:20，代码来源:udp6_usrreq.c



注：本文中的INP_WLOCK函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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