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authorDavid S. Miller <davem@davemloft.net>2008-06-17 01:06:01 -0700
committerDavid S. Miller <davem@davemloft.net>2008-06-17 01:06:01 -0700
commit22196d3648581b253f927186b30075fb005287b0 (patch)
treebf5f7477c02aaf6615e4ed18e62b516c1377455f /net/decnet
parent8ce9c6ede1504d29eead67862edc96c03dd4d0a2 (diff)
downloadlwn-22196d3648581b253f927186b30075fb005287b0.tar.gz
lwn-22196d3648581b253f927186b30075fb005287b0.zip
decnet: Remove SOCK_SLEEP_{PRE,POST} usage.
Just expand the wait sequence. And as a nice side-effect the timeout is respected now. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/decnet')
-rw-r--r--net/decnet/af_decnet.c30
1 files changed, 15 insertions, 15 deletions
diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index fc2efe899e91..931bdf9cb756 100644
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -1719,6 +1719,8 @@ static int dn_recvmsg(struct kiocb *iocb, struct socket *sock,
* See if there is data ready to read, sleep if there isn't
*/
for(;;) {
+ DEFINE_WAIT(wait);
+
if (sk->sk_err)
goto out;
@@ -1748,14 +1750,11 @@ static int dn_recvmsg(struct kiocb *iocb, struct socket *sock,
goto out;
}
- set_bit(SOCK_ASYNC_WAITDATA, &sock->flags);
- SOCK_SLEEP_PRE(sk)
-
- if (!dn_data_ready(sk, queue, flags, target))
- schedule();
-
- SOCK_SLEEP_POST(sk)
- clear_bit(SOCK_ASYNC_WAITDATA, &sock->flags);
+ prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE);
+ set_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags);
+ sk_wait_event(sk, &timeo, dn_data_ready(sk, queue, flags, target));
+ clear_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags);
+ finish_wait(sk->sk_sleep, &wait);
}
for(skb = queue->next; skb != (struct sk_buff *)queue; skb = nskb) {
@@ -2002,18 +2001,19 @@ static int dn_sendmsg(struct kiocb *iocb, struct socket *sock,
* size.
*/
if (dn_queue_too_long(scp, queue, flags)) {
+ DEFINE_WAIT(wait);
+
if (flags & MSG_DONTWAIT) {
err = -EWOULDBLOCK;
goto out;
}
- SOCK_SLEEP_PRE(sk)
-
- if (dn_queue_too_long(scp, queue, flags))
- schedule();
-
- SOCK_SLEEP_POST(sk)
-
+ prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE);
+ set_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags);
+ sk_wait_event(sk, &timeo,
+ !dn_queue_too_long(scp, queue, flags));
+ clear_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags);
+ finish_wait(sk->sk_sleep, &wait);
continue;
}