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Add dvrReadBufferQueueGetEventFd
authorJiwen 'Steve' Cai <jwcai@google.com>
Fri, 21 Jul 2017 20:33:55 +0000 (13:33 -0700)
committerJiwen 'Steve' Cai <jwcai@google.com>
Fri, 21 Jul 2017 21:38:46 +0000 (14:38 -0700)
commit97274870fc8229b507fc71566c0502eb322655cf
treea8fab7c4ec37babeea2a776f551a6706fa328c5f
parentde1ad9de0c1de1507588d7a3b9c43b6ca764262e
Add dvrReadBufferQueueGetEventFd

We need to expose the read queue's event fd, so that a caller can epoll
on a set of queues' fd for efficient buffer acquisition.

Bug: 62359843
Test: dvrapi-test

Change-Id: I1b9271afed9ee6c6675551402cd3f5a66e98ebe2
libs/vr/libdvr/dvr_buffer_queue.cpp
libs/vr/libdvr/dvr_buffer_queue_internal.h
libs/vr/libdvr/include/dvr/dvr_api.h
libs/vr/libdvr/include/dvr/dvr_api_entries.h
libs/vr/libdvr/include/dvr/dvr_buffer_queue.h
libs/vr/libdvr/tests/dvr_buffer_queue-test.cpp