auto import from //depot/cupcake/@135843
diff --git a/libcutils/socket_local_server.c b/libcutils/socket_local_server.c
new file mode 100644
index 0000000..4971b1b
--- /dev/null
+++ b/libcutils/socket_local_server.c
@@ -0,0 +1,124 @@
+/* libs/cutils/socket_local_server.c
+**
+** Copyright 2006, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+** http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+#include <cutils/sockets.h>
+
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+#include <stddef.h>
+
+#ifdef HAVE_WINSOCK
+
+int socket_local_server(const char *name, int namespaceId, int type)
+{
+ errno = ENOSYS;
+ return -1;
+}
+
+#else /* !HAVE_WINSOCK */
+
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <sys/select.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+
+#include "socket_local.h"
+
+#define LISTEN_BACKLOG 4
+
+
+/**
+ * Binds a pre-created socket(AF_LOCAL) 's' to 'name'
+ * returns 's' on success, -1 on fail
+ *
+ * Does not call listen()
+ */
+int socket_local_server_bind(int s, const char *name, int namespaceId)
+{
+ struct sockaddr_un addr;
+ socklen_t alen;
+ int n;
+ int err;
+
+ err = socket_make_sockaddr_un(name, namespaceId, &addr, &alen);
+
+ if (err < 0) {
+ return -1;
+ }
+
+ /* basically: if this is a filesystem path, unlink first */
+#ifndef HAVE_LINUX_LOCAL_SOCKET_NAMESPACE
+ if (1) {
+#else
+ if (namespaceId == ANDROID_SOCKET_NAMESPACE_RESERVED
+ || namespaceId == ANDROID_SOCKET_NAMESPACE_FILESYSTEM) {
+#endif
+ /*ignore ENOENT*/
+ unlink(addr.sun_path);
+ }
+
+ n = 1;
+ setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &n, sizeof(n));
+
+ if(bind(s, (struct sockaddr *) &addr, alen) < 0) {
+ return -1;
+ }
+
+ return s;
+
+}
+
+
+/** Open a server-side UNIX domain datagram socket in the Linux non-filesystem
+ * namespace
+ *
+ * Returns fd on success, -1 on fail
+ */
+
+int socket_local_server(const char *name, int namespace, int type)
+{
+ int err;
+ int s;
+
+ s = socket(AF_LOCAL, type, 0);
+ if (s < 0) return -1;
+
+ err = socket_local_server_bind(s, name, namespace);
+
+ if (err < 0) {
+ close(s);
+ return -1;
+ }
+
+ if (type == SOCK_STREAM) {
+ int ret;
+
+ ret = listen(s, LISTEN_BACKLOG);
+
+ if (ret < 0) {
+ close(s);
+ return -1;
+ }
+ }
+
+ return s;
+}
+
+#endif /* !HAVE_WINSOCK */