Bluetooth: AsyncFdWatcher: Fix FD leak

AsyncFdWatcher thread notification pipe fds without close
which causes FD leak under Bluetooth on/off stress test.

Close the notification pipe fds when shut down Bluetooth.

Bug: 174630553
Test: Bluetooth on/off stress test

Change-Id: I7575adec49161f9764f0e070ef3c1043b8295a97
(cherry picked from commit 5c6da2669cea95d775b4a1ab0ddcdad4cac82671)

diff --git a/vendor_libs/linux/interface/async_fd_watcher.cc b/vendor_libs/linux/interface/async_fd_watcher.cc
index ef4a959..87d2506 100644 (file)
--- a/vendor_libs/linux/interface/async_fd_watcher.cc
+++ b/vendor_libs/linux/interface/async_fd_watcher.cc
@@ -102,6 +102,9 @@ int AsyncFdWatcher::stopThread() {
     timeout_cb_ = nullptr;
   }
 
+  close(notification_listen_fd_);
+  close(notification_write_fd_);
+
   return 0;
 }