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[LLC]: Use the sk_wait_event primitive 

Signed-off-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2005-09-22 04:26:14 -03:00
parent b35bd11019
commit 54fb7f25f1
1 changed files with 27 additions and 38 deletions
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65
net/llc/af_llc.c
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@ -37,10 +37,10 @@ static u16 llc_ui_sap_link_no_max[256];
static struct sockaddr_llc llc_ui_addrnull;
static struct proto_ops llc_ui_ops;
static int llc_ui_wait_for_conn(struct sock *sk, int timeout);
static int llc_ui_wait_for_disc(struct sock *sk, int timeout);
static int llc_ui_wait_for_data(struct sock *sk, int timeout);
static int llc_ui_wait_for_busy_core(struct sock *sk, int timeout);
static int llc_ui_wait_for_conn(struct sock *sk, long timeout);
static int llc_ui_wait_for_disc(struct sock *sk, long timeout);
static int llc_ui_wait_for_data(struct sock *sk, long timeout);
static int llc_ui_wait_for_busy_core(struct sock *sk, long timeout);
#if 0
#define dprintk(args...) printk(KERN_DEBUG args)
@ -117,7 +117,7 @@ static int llc_ui_send_data(struct sock* sk, struct sk_buff *skb, int noblock)
int rc = 0;
if (llc_data_accept_state(llc->state) || llc->p_flag) {
int timeout = sock_sndtimeo(sk, noblock);
long timeout = sock_sndtimeo(sk, noblock);
rc = llc_ui_wait_for_busy_core(sk, timeout);
}
@ -428,7 +428,7 @@ static int llc_ui_connect(struct socket *sock, struct sockaddr *uaddr,
}
if (sk->sk_state == TCP_SYN_SENT) {
const int timeo = sock_sndtimeo(sk, flags & O_NONBLOCK);
const long timeo = sock_sndtimeo(sk, flags & O_NONBLOCK);
if (!timeo || !llc_ui_wait_for_conn(sk, timeo))
goto out;
@ -488,16 +488,15 @@ out:
return rc;
}
static int llc_ui_wait_for_disc(struct sock *sk, int timeout)
static int llc_ui_wait_for_disc(struct sock *sk, long timeout)
{
DEFINE_WAIT(wait);
int rc = 0;
prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE);
while (sk->sk_state != TCP_CLOSE) {
release_sock(sk);
timeout = schedule_timeout(timeout);
lock_sock(sk);
while (1) {
prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE);
if (sk_wait_event(sk, &timeout, sk->sk_state == TCP_CLOSE))
break;
rc = -ERESTARTSYS;
if (signal_pending(current))
break;
@ -505,44 +504,37 @@ static int llc_ui_wait_for_disc(struct sock *sk, int timeout)
if (!timeout)
break;
rc = 0;
prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE);
}
finish_wait(sk->sk_sleep, &wait);
return rc;
}
static int llc_ui_wait_for_conn(struct sock *sk, int timeout)
static int llc_ui_wait_for_conn(struct sock *sk, long timeout)
{
DEFINE_WAIT(wait);
prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE);
while (sk->sk_state == TCP_SYN_SENT) {
release_sock(sk);
timeout = schedule_timeout(timeout);
lock_sock(sk);
while (1) {
prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE);
if (sk_wait_event(sk, &timeout, sk->sk_state != TCP_SYN_SENT))
break;
if (signal_pending(current) || !timeout)
break;
prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE);
}
finish_wait(sk->sk_sleep, &wait);
return timeout;
}
static int llc_ui_wait_for_data(struct sock *sk, int timeout)
static int llc_ui_wait_for_data(struct sock *sk, long timeout)
{
DEFINE_WAIT(wait);
int rc = 0;
for (;;) {
while (1) {
prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE);
if (sk->sk_shutdown & RCV_SHUTDOWN)
if (sk_wait_event(sk, &timeout,
(sk->sk_shutdown & RCV_SHUTDOWN) ||
(!skb_queue_empty(&sk->sk_receive_queue))))
break;
if (!skb_queue_empty(&sk->sk_receive_queue))
break;
release_sock(sk);
timeout = schedule_timeout(timeout);
lock_sock(sk);
rc = -ERESTARTSYS;
if (signal_pending(current))
break;
@ -555,23 +547,20 @@ static int llc_ui_wait_for_data(struct sock *sk, int timeout)
return rc;
}
static int llc_ui_wait_for_busy_core(struct sock *sk, int timeout)
static int llc_ui_wait_for_busy_core(struct sock *sk, long timeout)
{
DEFINE_WAIT(wait);
struct llc_sock *llc = llc_sk(sk);
int rc;
for (;;) {
while (1) {
prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE);
rc = -ENOTCONN;
if (sk->sk_shutdown & RCV_SHUTDOWN)
break;
rc = 0;
if (!llc_data_accept_state(llc->state) && !llc->p_flag)
if (sk_wait_event(sk, &timeout,
(sk->sk_shutdown & RCV_SHUTDOWN) ||
(!llc_data_accept_state(llc->state) &&
!llc->p_flag)))
break;
release_sock(sk);
timeout = schedule_timeout(timeout);
lock_sock(sk);
rc = -ERESTARTSYS;
if (signal_pending(current))
break;