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19-Dec-2016 |
Martijn Coenen <maco@google.com> |
Add (un)linkToDeath to generated interfaces.
(un)linkToDeath is now a part of IBase, and can be
called on any generated HIDL interface. The implementation
is a no-op, except in proxy objects, which are by
definition a different process than the interface they point
to.
Since clients are not aware of the transport implementation, we must
wrap the transport-independent callback in a transport-specific
callback object. In case of binder, that object is a
hidl_binder_death_recipient.
The binder proxy object contains a list of registered death
recipients, as well as a mutex to protect access to the list.
The list is required to allow us to map back transport-independent
callbacks to transport-dependent callbacks in unlinkToDeath().
Bug: 31632518
Test: mma, hidl_test
Change-Id: I5083a8789dd706a886a8a09f8c733031a351a36a
/system/tools/hidl/DeathRecipientType.cpp
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