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authorYing Xue <ying.xue@windriver.com>2011-07-06 05:53:15 -0400
committerPaul Gortmaker <paul.gortmaker@windriver.com>2011-09-17 22:55:11 -0400
commit1d835874af143a5c8273268d09e2f259b4c1ba89 (patch)
tree207695b37f63f0115225e954617379e92b7027b3 /net/tipc/socket.c
parent9aa88c2a509e11e6efc466c88b386e0e01bef731 (diff)
downloadop-kernel-dev-1d835874af143a5c8273268d09e2f259b4c1ba89.zip
op-kernel-dev-1d835874af143a5c8273268d09e2f259b4c1ba89.tar.gz
tipc: Add support for SO_SNDTIMEO socket option
Adds support for the SO_SNDTIMEO socket option. (This complements the existing support for SO_RCVTIMEO that is already present.) Signed-off-by: Ying Xue <ying.xue@windriver.com> Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Diffstat (limited to 'net/tipc/socket.c')
-rw-r--r--net/tipc/socket.c26
1 files changed, 14 insertions, 12 deletions
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index fc3c281..2f90beb 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -525,6 +525,7 @@ static int send_msg(struct kiocb *iocb, struct socket *sock,
struct tipc_port *tport = tipc_sk_port(sk);
struct sockaddr_tipc *dest = (struct sockaddr_tipc *)m->msg_name;
int needs_conn;
+ long timeout_val;
int res = -EINVAL;
if (unlikely(!dest))
@@ -564,6 +565,8 @@ static int send_msg(struct kiocb *iocb, struct socket *sock,
reject_rx_queue(sk);
}
+ timeout_val = sock_sndtimeo(sk, m->msg_flags & MSG_DONTWAIT);
+
do {
if (dest->addrtype == TIPC_ADDR_NAME) {
res = dest_name_check(dest, m);
@@ -600,16 +603,14 @@ static int send_msg(struct kiocb *iocb, struct socket *sock,
sock->state = SS_CONNECTING;
break;
}
- if (m->msg_flags & MSG_DONTWAIT) {
- res = -EWOULDBLOCK;
+ if (timeout_val <= 0L) {
+ res = timeout_val ? timeout_val : -EWOULDBLOCK;
break;
}
release_sock(sk);
- res = wait_event_interruptible(*sk_sleep(sk),
- !tport->congested);
+ timeout_val = wait_event_interruptible_timeout(*sk_sleep(sk),
+ !tport->congested, timeout_val);
lock_sock(sk);
- if (res)
- break;
} while (1);
exit:
@@ -636,6 +637,7 @@ static int send_packet(struct kiocb *iocb, struct socket *sock,
struct sock *sk = sock->sk;
struct tipc_port *tport = tipc_sk_port(sk);
struct sockaddr_tipc *dest = (struct sockaddr_tipc *)m->msg_name;
+ long timeout_val;
int res;
/* Handle implied connection establishment */
@@ -650,6 +652,8 @@ static int send_packet(struct kiocb *iocb, struct socket *sock,
if (iocb)
lock_sock(sk);
+ timeout_val = sock_sndtimeo(sk, m->msg_flags & MSG_DONTWAIT);
+
do {
if (unlikely(sock->state != SS_CONNECTED)) {
if (sock->state == SS_DISCONNECTING)
@@ -663,16 +667,14 @@ static int send_packet(struct kiocb *iocb, struct socket *sock,
total_len);
if (likely(res != -ELINKCONG))
break;
- if (m->msg_flags & MSG_DONTWAIT) {
- res = -EWOULDBLOCK;
+ if (timeout_val <= 0L) {
+ res = timeout_val ? timeout_val : -EWOULDBLOCK;
break;
}
release_sock(sk);
- res = wait_event_interruptible(*sk_sleep(sk),
- (!tport->congested || !tport->connected));
+ timeout_val = wait_event_interruptible_timeout(*sk_sleep(sk),
+ (!tport->congested || !tport->connected), timeout_val);
lock_sock(sk);
- if (res)
- break;
} while (1);
if (iocb)
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