From bf1c852aa9cbe21beeb7c37d03e167c33ac196b2 Mon Sep 17 00:00:00 2001
From: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp>
Date: Fri, 22 Feb 2013 12:39:50 +0900
Subject: [PATCH] move socket_set_nodelay to osdep.c

Signed-off-by: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
---
 block/sheepdog.c       | 11 +----------
 gdbstub.c              |  5 ++---
 include/qemu/sockets.h |  1 +
 qemu-char.c            |  6 ------
 slirp/tcp_subr.c       |  3 +--
 util/osdep.c           |  6 ++++++
 6 files changed, 11 insertions(+), 21 deletions(-)

diff --git a/block/sheepdog.c b/block/sheepdog.c
index d466b232d7..51e75ad7a1 100644
--- a/block/sheepdog.c
+++ b/block/sheepdog.c
@@ -787,15 +787,6 @@ static int aio_flush_request(void *opaque)
         !QLIST_EMPTY(&s->pending_aio_head);
 }
 
-static int set_nodelay(int fd)
-{
-    int ret, opt;
-
-    opt = 1;
-    ret = setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&opt, sizeof(opt));
-    return ret;
-}
-
 /*
  * Return a socket discriptor to read/write objects.
  *
@@ -814,7 +805,7 @@ static int get_sheep_fd(BDRVSheepdogState *s)
 
     socket_set_nonblock(fd);
 
-    ret = set_nodelay(fd);
+    ret = socket_set_nodelay(fd);
     if (ret) {
         error_report("%s", strerror(errno));
         closesocket(fd);
diff --git a/gdbstub.c b/gdbstub.c
index 32dfea9ed0..e414ad9157 100644
--- a/gdbstub.c
+++ b/gdbstub.c
@@ -2841,7 +2841,7 @@ static void gdb_accept(void)
     GDBState *s;
     struct sockaddr_in sockaddr;
     socklen_t len;
-    int val, fd;
+    int fd;
 
     for(;;) {
         len = sizeof(sockaddr);
@@ -2858,8 +2858,7 @@ static void gdb_accept(void)
     }
 
     /* set short latency */
-    val = 1;
-    setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val));
+    socket_set_nodelay(fd);
 
     s = g_malloc0(sizeof(GDBState));
     s->c_cpu = first_cpu;
diff --git a/include/qemu/sockets.h b/include/qemu/sockets.h
index 803ae1798c..6125bf7bdf 100644
--- a/include/qemu/sockets.h
+++ b/include/qemu/sockets.h
@@ -34,6 +34,7 @@ int inet_aton(const char *cp, struct in_addr *ia);
 int qemu_socket(int domain, int type, int protocol);
 int qemu_accept(int s, struct sockaddr *addr, socklen_t *addrlen);
 int socket_set_cork(int fd, int v);
+int socket_set_nodelay(int fd);
 void socket_set_block(int fd);
 void socket_set_nonblock(int fd);
 int send_all(int fd, const void *buf, int len1);
diff --git a/qemu-char.c b/qemu-char.c
index 160decc2f0..36295b1bcd 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -2365,12 +2365,6 @@ static void tcp_chr_telnet_init(int fd)
     send(fd, (char *)buf, 3, 0);
 }
 
-static void socket_set_nodelay(int fd)
-{
-    int val = 1;
-    setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val));
-}
-
 static int tcp_chr_add_client(CharDriverState *chr, int fd)
 {
     TCPCharDriver *s = chr->opaque;
diff --git a/slirp/tcp_subr.c b/slirp/tcp_subr.c
index 317dc07a06..7b7ad60aea 100644
--- a/slirp/tcp_subr.c
+++ b/slirp/tcp_subr.c
@@ -430,8 +430,7 @@ void tcp_connect(struct socket *inso)
     setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (char *)&opt, sizeof(int));
     opt = 1;
     setsockopt(s, SOL_SOCKET, SO_OOBINLINE, (char *)&opt, sizeof(int));
-    opt = 1;
-    setsockopt(s, IPPROTO_TCP, TCP_NODELAY, (char *)&opt, sizeof(int));
+    socket_set_nodelay(s);
 
     so->so_fport = addr.sin_port;
     so->so_faddr = addr.sin_addr;
diff --git a/util/osdep.c b/util/osdep.c
index 5b51a0322e..c4082610df 100644
--- a/util/osdep.c
+++ b/util/osdep.c
@@ -63,6 +63,12 @@ int socket_set_cork(int fd, int v)
 #endif
 }
 
+int socket_set_nodelay(int fd)
+{
+    int v = 1;
+    return setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &v, sizeof(v));
+}
+
 int qemu_madvise(void *addr, size_t len, int advice)
 {
     if (advice == QEMU_MADV_INVALID) {