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ANativeWindow::queueBuffer takes ownership of the fence fd passed to
it, and will close it before returning. SurfaceFlinger's screenshot
code was also closing the syncFd it passed to queueBuffer. Most of the
time this meant the second close() silently failed, but in a rare race
condition the file descriptor could be reused between the two
close()s.

Bug: 17946343
Change-Id: Ib74fcb1dce52cc21328059c99b7c4c76f41aa3a5

Change-Id: I64f9482ade523ec3fafe14bff14db7196e32413f

On one device there is a bug, not yet root-caused, that causes fence
fds to not make it across binder from producer to consumer in the
IGraphicBufferProducer::queueBuffer call. Rather than returning an
error, which the producer typically treats as a fatal error, this
change allows the buffer to be queued with no fence. This avoids an
application crash at the risk of (likely single-frame) visible
corruption.

Bug: 17946343
Change-Id: I9ca89f94098c455e1e90f5f58d5336c936b04a9c

Copies the /data/misc/keychain/cacert-* directories to all users on
the device, whereas previously they were simply copied to user 0.

This is a shallow copy so anything that wasn't supposed to be there
will disappear.

Bug: 17811821
Change-Id: Iae5909ab8d5efdb83c9c8fdf0e10ab7060d022cc

Bug: 17935149
Change-Id: I1c26d1e83d8fa0a9ccdb25f6f3b19a86b1dc6f37

Print more details about the exact reason that an ANR has occurred.
Also start checking that the window actually has a registered
input connection that is not in a broken state.  These windows
are supposed to be cleaned up by the window manager promptly
as if the app had crashed but the pattern of ANRs we are observing
suggests that broken windows might be sticking around longer than
they should.

Bug: 17721767
Change-Id: Ie2803a3fa9642381ecadc198fec15e1b70d93c20

Print more details about the exact reason that an ANR has occurred.
Also start checking that the window actually has a registered
input connection that is not in a broken state.  These windows
are supposed to be cleaned up by the window manager promptly
as if the app had crashed but the pattern of ANRs we are observing
suggests that broken windows might be sticking around longer than
they should.

Bug: 17721767
Change-Id: Ie2803a3fa9642381ecadc198fec15e1b70d93c20

mmap returns MAP_FAILED (which is -1) and not NULL on
failure.

Diagnosed by cferris.

bug: 17909809

Change-Id: I609788ebf94742ef88af002d2d3f3bc9b9e520ac

In some cases this is causing a crash as device.poll is called with
NULL.

Bug: 17896339
Change-Id: Id431599f2c661338c355c7081b6602f8449a9198

Temporary extra debug validation for b/17477219: a Parcel recipient is
getting a positive but invalid fd unexpectedly. Trying to track down
where it's coming from.

Debug code for bug: 17477219
Change-Id: Idb1e71621025a3928c7adc88fd44790e1abd2a01

Temporary extra debug validation for b/17477219: a Parcel recipient is
getting a positive but invalid fd unexpectedly. Trying to track down
where it's coming from.

Debug code for bug: 17477219
Change-Id: Idb1e71621025a3928c7adc88fd44790e1abd2a01

Blobcache is not yet enabled for surfaceflinger (as it should be).
As a temporary workaround, generate all needed shaders during
surfaceflinger initialization instead of doing the compilation
on-demand during ui transitions.

Change-Id: I14455b20a3f85f177d85c9c8b76d8ccc35379b39

i) Call removeFd() only if the fd in the BitTube has been
previously added to the Looper. Use a flag to determine whether the fd
has been previously added or not.
ii) Increment mPendingFlushEventsToSend after holding a connectionLock.
iii) Store the number of acks that are pending in SensorEventQueue
 and send them all at once.

Bug: 17472228
Change-Id: I1ec834fea1112a9cfbd9cddd2198438793698502

Partial fix for bug: 17477219
Change-Id: Ibf5a9e26e02c4be8854925a77a70f5c9c7dcf6f2

Bug: 17676461
Change-Id: I120041e9b2ffe2a232a2419bcb5fe88cb49961cb

Bug: 17477219
Change-Id: Ide0ae16d777c9af783023c705c18a93c00999147

Partial fix for bug: 17477219
Change-Id: Ibf5a9e26e02c4be8854925a77a70f5c9c7dcf6f2

Bug: 17477219
Change-Id: Ide0ae16d777c9af783023c705c18a93c00999147

Bug: 17676461
Change-Id: I120041e9b2ffe2a232a2419bcb5fe88cb49961cb