Added an API for creating signals with attributes.
Added two APIs for IPC operations on signals.
Initial use of exceptions for error handling.
Add ref counting to signals.
Removed spin loops from signal destructors.
Signals are no longer to be destroyed with delete, use DeleteSignal instead.
Added delete safety to doorbells.
Added secondary hsa_signal_t -> Signal* translation path for IPC enabled signals.
Change-Id: Id59065d002f0c2566b0a9425694da2ed27cb7d7f
Informs, in debug mode only, that a signal wait violated the HSA
spec with regard to the consuming agents list. This list is used
for optimized signal type selection.
Change-Id: I5879f8f822d01af504ab913482b2532feb00be98
Sean Keely
James Edwards (xN/A) TX