From: <sezeroz@ttnet.net.tr>
To: <linux-kernel@vger.kernel.org>
Cc: <marcelo.tosatti@cyclades.com>
Subject: 2.4.28-rc1, more lost patches [1/10]
Date: Wed, 27 Oct 2004 12:51:45 +0300 [thread overview]
Message-ID: <20041027095145.KDRQ6935.fep01.ttnet.net.tr@localhost> (raw)
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[10/10] Krzysztof Halasa: AF_UNIX dgram select problem;
from (only in) -ac/redhat. To be reviewed.
[-- Attachment #2: af_unix-dgram_poll.patch --]
[-- Type: application/octet-stream, Size: 1840 bytes --]
Krzysztof Halasa
first discussion/thread:
http://marc.theaimsgroup.com/?t=105465240900005&r=1&w=2
Patch then posted at:
http://marc.theaimsgroup.com/?l=linux-kernel&m=105560475819610&w=2
No further discussion seems to appear thereafter.
only in ac/redhat, _NOT_ in 2.6
diff -urN 28rc1/net/unix/af_unix.c 28rc1_aac/net/unix/af_unix.c
--- 28rc1/net/unix/af_unix.c 2002-11-29 01:53:16.000000000 +0200
+++ 28rc1_aac/net/unix/af_unix.c 2004-10-24 00:58:12.000000000 +0300
@@ -1707,6 +1707,39 @@
return err;
}
+static unsigned int dgram_poll(struct file * file, struct socket *sock,
+ poll_table *wait)
+{
+ struct sock *sk = sock->sk;
+ unsigned int mask;
+ unix_socket *other;
+
+ poll_wait(file, sk->sleep, wait);
+ mask = 0;
+
+ /* exceptional events? */
+ if (sk->err || !skb_queue_empty(&sk->error_queue))
+ mask |= POLLERR;
+ if (sk->shutdown == SHUTDOWN_MASK)
+ mask |= POLLHUP;
+
+ /* readable? */
+ if (!skb_queue_empty(&sk->receive_queue) ||
+ (sk->shutdown & RCV_SHUTDOWN))
+ mask |= POLLIN | POLLRDNORM;
+
+ /* writable? */
+ other = unix_peer_get(sk);
+ if (sock_writeable(sk) &&
+ (other == NULL ||
+ skb_queue_len(&other->receive_queue) <= other->max_ack_backlog))
+ mask |= POLLOUT | POLLWRNORM | POLLWRBAND;
+ else
+ set_bit(SOCK_ASYNC_NOSPACE, &sk->socket->flags);
+
+ return mask;
+}
+
static unsigned int unix_poll(struct file * file, struct socket *sock, poll_table *wait)
{
struct sock *sk = sock->sk;
@@ -1836,7 +1869,7 @@
socketpair: unix_socketpair,
accept: sock_no_accept,
getname: unix_getname,
- poll: datagram_poll,
+ poll: dgram_poll,
ioctl: unix_ioctl,
listen: sock_no_listen,
shutdown: unix_shutdown,
next reply other threads:[~2004-10-27 10:05 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-27 9:51 sezeroz [this message]
-- strict thread matches above, loose matches on Subject: below --
2004-10-27 12:59 2.4.28-rc1, more lost patches [1/10] O.Sezer
2004-10-27 9:42 sezeroz
2004-10-27 9:29 sezeroz
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