1 files changed, 4 insertions, 0 deletions
diff --git a/libgo/syscalls/socket.go b/libgo/syscalls/socket.go
index 65c1916..e786653 100644
--- a/libgo/syscalls/socket.go
+++ b/libgo/syscalls/socket.go
@@ -232,6 +232,10 @@ func SetsockoptString(fd, level, opt int, s string) (errno int) {
 	return setsockopt(fd, level, opt, uintptr(unsafe.Pointer(&[]byte(s)[0])), Socklen_t(len(s)))
 }
 
+func SetsockoptIpMreq(fd, level, opt int, mreq *IpMreq) (errno int) {
+	return setsockopt(fd, level, opt, uintptr(unsafe.Pointer(mreq)), unsafe.Sizeof(*mreq))
+}
+
 func Getsockname(fd int) (sa Sockaddr, errno int) {
 	var rsa RawSockaddrAny;
 	var len Socklen_t = SizeofSockaddrAny;