From d5855a65d8520b91286f5ca3b27f17a6b8d68b9e Mon Sep 17 00:00:00 2001
From: Fan Xu <fanxu@google.com>
Date: Mon, 14 Jan 2019 15:52:42 -0800
Subject: Allow create BufferHubEventFd from existing fd

Add a constructor to BufferHubEventFd.

Rewrite EventFd_testDupEventFd to test on the constructor.

Test: BufferHub_test
Bug: 68770788
Change-Id: I565aff02c1a6e45498e64a817539952911850d48
---
 libs/ui/BufferHubEventFd.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'libs/ui/BufferHubEventFd.cpp')

diff --git a/libs/ui/BufferHubEventFd.cpp b/libs/ui/BufferHubEventFd.cpp
index 978b3526f3..bffc2ca803 100644
--- a/libs/ui/BufferHubEventFd.cpp
+++ b/libs/ui/BufferHubEventFd.cpp
@@ -23,6 +23,8 @@ namespace android {
 
 BufferHubEventFd::BufferHubEventFd() : mFd(eventfd(0, EFD_CLOEXEC | EFD_NONBLOCK)) {}
 
+BufferHubEventFd::BufferHubEventFd(int fd) : mFd(fd) {}
+
 status_t BufferHubEventFd::signal() const {
     if (!isValid()) {
         ALOGE("%s: cannot signal an invalid eventfd.", __FUNCTION__);
-- 
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