This allows both greater than 72 minute (2^32 * 1 us) timeouts and also
gracefully handles notifiers across the FPGA time counter rollover.
Change-Id: Ibde0b903155f60b618b0ca4d5f8f6dd49f90b020
Notifier takes advantage of the multi-notifier support now in HAL.
Each Notifier is now handled by a separate thread at the JNI level, so
one notifier taking longer to process (or being breakpointed) does not
stop the other notifiers from running. These threads are configured as
daemon threads.
In both Notifier and Interrupt JNI, the JNI thread attachment no longer
repeatedly calls AttachCurrentThread(). This improves performance but more
importantly avoids impacting the Eclipse debugger, which attempts to
track each call to AttachCurrentThread() as a separate Java thread.
Note: There is currently no way to free an interrupt handler. Repeatedly
calling attachInterruptHandler() will result in leaking previous handlers.
Change-Id: Ib12e3df88943c03e0269d3906e5b153767139391
This is a poor man's version of the multi-instance Notifier support in
the higher level languages. It's intended primarily so that notifiers
can be created internal to the HAL.
One benefit of this change is that the current FPGA timestamp is passed
as the first parameter to the ProcessQueue function (rather than the
useless interrupt mask).
Caution for other languages wrapping the HAL: this adds a parameter to
initializeNotifier().
An atexit hook is used for safe cleanup at program termination.
Change-Id: I782b3a74c10215588ae9b7191906fb4186a81028
Implemented setTaskPriority() and getTaskPriority() in Task HAL API
Removed all other unimplemented functions in HAL and removed spawnTask()
Replaced instances of pthread_t* with TASK typedef
Removed unused HAL error constants and removed commented-out classes and functions in wpilibj's HALLibrary
Changed Task class API to match the construction semantics of a std::thread
Change-Id: I3bc951a3da90d24c5589fae4d1ca2bb60225c873
