jbauch 9674d7cb89 Revert of Prevent data race in MessageQueue. (patchset #3 id:40001 of https://codereview.webrtc.org/1675923002/ )
Reason for revert:
Broke chromium.webrtc.fyi bots:
https://build.chromium.org/p/chromium.webrtc.fyi/builders/Mac%20Builder/builds/9891
https://build.chromium.org/p/chromium.webrtc.fyi/builders/Mac%20GN/builds/11416

Fails with
-----
Undefined symbols for architecture x86_64:
  "rtc::SharedExclusiveLock::LockShared()", referenced from:
      rtc::MessageQueue::DoDestroy() in librtc_base.a(messagequeue.o)
      rtc::MessageQueue::socketserver() in librtc_base.a(messagequeue.o)
      rtc::MessageQueue::WakeUpSocketServer() in librtc_base.a(messagequeue.o)
      rtc::MessageQueue::Quit() in librtc_base.a(messagequeue.o)
      rtc::MessageQueue::Get(rtc::Message*, int, bool) in librtc_base.a(messagequeue.o)
      rtc::MessageQueue::Post(rtc::MessageHandler*, unsigned int, rtc::MessageData*, bool) in librtc_base.a(messagequeue.o)
      rtc::MessageQueue::DoDelayPost(int, unsigned int, rtc::MessageHandler*, unsigned int, rtc::MessageData*) in librtc_base.a(messagequeue.o)
      ...
  "rtc::SharedExclusiveLock::UnlockShared()", referenced from:
      rtc::MessageQueue::DoDestroy() in librtc_base.a(messagequeue.o)
      rtc::MessageQueue::socketserver() in librtc_base.a(messagequeue.o)
      rtc::MessageQueue::WakeUpSocketServer() in librtc_base.a(messagequeue.o)
      rtc::MessageQueue::Quit() in librtc_base.a(messagequeue.o)
      rtc::MessageQueue::Get(rtc::Message*, int, bool) in librtc_base.a(messagequeue.o)
      rtc::MessageQueue::Post(rtc::MessageHandler*, unsigned int, rtc::MessageData*, bool) in librtc_base.a(messagequeue.o)
      rtc::MessageQueue::DoDelayPost(int, unsigned int, rtc::MessageHandler*, unsigned int, rtc::MessageData*) in librtc_base.a(messagequeue.o)
      ...
  "rtc::SharedExclusiveLock::SharedExclusiveLock()", referenced from:
      rtc::MessageQueue::MessageQueue(rtc::SocketServer*, bool) in librtc_base.a(messagequeue.o)
ld: symbol(s) not found for architecture x86_64
-----

Looks like these are compiling without "webrtc/base/sharedexclusivelock.cc".

Original issue's description:
> Prevent data race in MessageQueue.
>
> The CL prevents a data race in MessageQueue where the variable "ss_" is
> modified without a lock while sometimes read inside a lock.
>
> Also thread annotations have been added to the MessageQueue class.
>
> BUG=webrtc:5496
>
> Committed: https://crrev.com/df88460372e7ce78c871a87774d7e6d82aac6ee3
> Cr-Commit-Position: refs/heads/master@{#11683}

TBR=ivoc@webrtc.org,pthatcher@webrtc.org,deadbeef@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:5496

Review URL: https://codereview.webrtc.org/1714463003

Cr-Commit-Position: refs/heads/master@{#11686}
2016-02-19 15:16:19 +00:00
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