tree 37b0a983c0d62bb4fb552119fc6c5e5773799191
parent ea8305102a6cdd1b2cf89b1f020391bd19f71244
author Steven Moreland <smoreland@google.com> 1595298108 +0000
committer Steven Moreland <smoreland@google.com> 1595356220 +0000

libbinder: avoid global mutex every binder call

We can't get rid of a mutex (or similar) for the rarer
ProcessState::selfOrNull access, but for ProcessState::self() accesses,
which happen at least once every binder call, we can use the very fast
once flags.

Bug: 161336582
Test: boots
Change-Id: I66fee6be0260f59f80a85328228776de7e68c7fb