From ced0c25a4002464c4eecae02b076650bb5624e7f Mon Sep 17 00:00:00 2001
From: Mike Lockwood <lockwood@google.com>
Date: Thu, 20 Nov 2014 12:22:30 -0800
Subject: [PATCH] ParcelFileDescriptor: add support for non-stream socket
 pairs.

For example, we can use this to create SOCK_SEQPACKET socket pairs.

Change-Id: Ief5c1dab3cbbe40a756d37e77968b41511297bec
---
 core/java/android/os/ParcelFileDescriptor.java | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/core/java/android/os/ParcelFileDescriptor.java b/core/java/android/os/ParcelFileDescriptor.java
index c6b21515c935d..4e8ec890b44d9 100644
--- a/core/java/android/os/ParcelFileDescriptor.java
+++ b/core/java/android/os/ParcelFileDescriptor.java
@@ -395,10 +395,17 @@ public class ParcelFileDescriptor implements Parcelable, Closeable {
      * connected to each other. The two sockets are indistinguishable.
      */
     public static ParcelFileDescriptor[] createSocketPair() throws IOException {
+        return createSocketPair(SOCK_STREAM);
+    }
+
+    /**
+     * @hide
+     */
+    public static ParcelFileDescriptor[] createSocketPair(int type) throws IOException {
         try {
             final FileDescriptor fd0 = new FileDescriptor();
             final FileDescriptor fd1 = new FileDescriptor();
-            Os.socketpair(AF_UNIX, SOCK_STREAM, 0, fd0, fd1);
+            Os.socketpair(AF_UNIX, type, 0, fd0, fd1);
             return new ParcelFileDescriptor[] {
                     new ParcelFileDescriptor(fd0),
                     new ParcelFileDescriptor(fd1) };
@@ -417,11 +424,18 @@ public class ParcelFileDescriptor implements Parcelable, Closeable {
      * This can also be used to detect remote crashes.
      */
     public static ParcelFileDescriptor[] createReliableSocketPair() throws IOException {
+        return createReliableSocketPair(SOCK_STREAM);
+    }
+
+    /**
+     * @hide
+     */
+    public static ParcelFileDescriptor[] createReliableSocketPair(int type) throws IOException {
         try {
             final FileDescriptor[] comm = createCommSocketPair();
             final FileDescriptor fd0 = new FileDescriptor();
             final FileDescriptor fd1 = new FileDescriptor();
-            Os.socketpair(AF_UNIX, SOCK_STREAM, 0, fd0, fd1);
+            Os.socketpair(AF_UNIX, type, 0, fd0, fd1);
             return new ParcelFileDescriptor[] {
                     new ParcelFileDescriptor(fd0, comm[0]),
                     new ParcelFileDescriptor(fd1, comm[1]) };