Added PX4_BACKTRACE() to display stack trace for debugging
Added backtrace for HRT reschedule with 0 timeout
Signed-off-by: Mark Charlebois <charlebm@gmail.com>
The SIGCONT signal was being ignored by the HRT queue thread so the
usleep was not waking up early to process new work.
Signed-off-by: Mark Charlebois <charlebm@gmail.com>
The POSIX and QURT platforms contain several duplicate files.
These files have been factored out into platforms/posix/work_queue.
The config files have been updated to include the
platforms/posix/work_queue module.
Signed-off-by: Mark Charlebois <charlebm@gmail.com>