Kernel/linux-next
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git synced 2025-01-10 07:50:04 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Merge branch 'tipc-improvement-for-wait-and-wakeup'

Browse Source 
Tung Nguyen says:

====================
tipc: improvement for wait and wakeup

Some improvements for tipc_wait_for_xzy().
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2019-02-21 13:58:05 -08:00
commit 06cd1702ee
1 changed files with 6 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
net/tipc/socket.c
View File

@ -388,7 +388,7 @@ static int tipc_sk_sock_err(struct socket *sock, long *timeout)
rc_ = tipc_sk_sock_err((sock_), timeo_); \
if (rc_) \
break; \
prepare_to_wait(sk_sleep(sk_), &wait_, TASK_INTERRUPTIBLE); \
add_wait_queue(sk_sleep(sk_), &wait_); \
release_sock(sk_); \
*(timeo_) = wait_woken(&wait_, TASK_INTERRUPTIBLE, *(timeo_)); \
sched_annotate_sleep(); \
@ -1677,7 +1677,7 @@ static void tipc_sk_send_ack(struct tipc_sock *tsk)
static int tipc_wait_for_rcvmsg(struct socket *sock, long *timeop)
{
struct sock *sk = sock->sk;
DEFINE_WAIT(wait);
DEFINE_WAIT_FUNC(wait, woken_wake_function);
long timeo = *timeop;
int err = sock_error(sk);
@ -1685,15 +1685,17 @@ static int tipc_wait_for_rcvmsg(struct socket *sock, long *timeop)
return err;
for (;;) {
prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE);
if (timeo && skb_queue_empty(&sk->sk_receive_queue)) {
if (sk->sk_shutdown & RCV_SHUTDOWN) {
err = -ENOTCONN;
break;
}
add_wait_queue(sk_sleep(sk), &wait);
release_sock(sk);
timeo = schedule_timeout(timeo);
timeo = wait_woken(&wait, TASK_INTERRUPTIBLE, timeo);
sched_annotate_sleep();
lock_sock(sk);
remove_wait_queue(sk_sleep(sk), &wait);
}
err = 0;
if (!skb_queue_empty(&sk->sk_receive_queue))
@ -1709,7 +1711,6 @@ static int tipc_wait_for_rcvmsg(struct socket *sock, long *timeop)
if (err)
break;
}
finish_wait(sk_sleep(sk), &wait);
*timeop = timeo;
return err;
}