[RFC wayland 12/18] os: Add a wl_os_socket_reuseaddr

[Derek Foreman]

When we have tcp/ip listening sockets we want them to be reusable so we
don't get stuck with a timeout when restarting the compositor.

Signed-off-by: Derek Foreman <derekf at osg.samsung.com>
---
 src/wayland-os.c | 8 ++++++++
 src/wayland-os.h | 3 +++
 2 files changed, 11 insertions(+)

diff --git a/src/wayland-os.c b/src/wayland-os.c
index 4c6ffa7..876a552 100644
--- a/src/wayland-os.c
+++ b/src/wayland-os.c
@@ -74,6 +74,14 @@ wl_os_socket_cloexec(int domain, int type, int protocol)
 	return wl_os_set_cloexec_or_close(fd);
 }
 
+void
+wl_os_socket_reuseaddr(int fd)
+{
+	int on = 1;
+
+	setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(int));
+}
+
 int
 wl_os_dupfd_cloexec(int fd, long minfd)
 {
diff --git a/src/wayland-os.h b/src/wayland-os.h
index 9679214..a4a2234 100644
--- a/src/wayland-os.h
+++ b/src/wayland-os.h
@@ -34,6 +34,9 @@ wl_os_set_cloexec_or_close(int fd);
 int
 wl_os_socket_cloexec(int domain, int type, int protocol);
 
+void
+wl_os_socket_reuseaddr(int fd);
+
 int
 wl_os_dupfd_cloexec(int fd, long minfd);
 
-- 
2.7.0