tree 3b3b86ed72df697b66af0c5f5d6898534a6e9004
parent 507238eebf99baa12d8dbba503f445e27921d982
author Steven Moreland <smoreland@google.com> 1595299332 +0000
committer Steven Moreland <smoreland@google.com> 1595356189 +0000

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: I68ce16599d9a1c1e65b85bbc9c59ab2261e54832