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Commit 3f28530a authored by Jiwen 'Steve' Cai's avatar Jiwen 'Steve' Cai
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Expose TakeXXXFd from UDS's ChannelEventReceiver 

This enables efficient UDS channel export by avoiding duplicating
those FDs.

Bug: 37517761
Test: libpdx_uds_tests
Change-Id: Iaaabf586ac8f918a3ad820dba5576212dc80b753
parent 7e13a6f1

libs/vr/libpdx_uds/private/uds/channel_event_set.h

+8 −0
Original line number Diff line number Diff line
@@ -54,6 +54,14 @@ class ChannelEventReceiver { 
  BorrowedHandle pollhup_event_fd() const { return pollhup_event_fd_.Borrow(); }

  BorrowedHandle data_fd() const { return data_fd_.Borrow(); }



  // Moves file descriptors out of ChannelEventReceiver. Note these operations

  // immediately invalidates the receiver.

  std::tuple<LocalHandle, LocalHandle, LocalHandle> TakeFds() {

    epoll_fd_.Close();

    return {std::move(data_fd_), std::move(pollin_event_fd_),

            std::move(pollhup_event_fd_)};

  }



  Status<int> GetPendingEvents() const;

  Status<int> PollPendingEvents(int timeout_ms) const;