def asio_stacktrace(wh, limit=None):
"""Produce a list of async frames by following a WaitHandle's parent chain.
The stacktrace ends at the WaitHandle::join().
The whole chain is walked even if `limit' is provided---the return
stacktrace will have `limit' or fewer entries if there were `limit' or
fewer frames, and `limit' + 1 frames otherwise, where the last frame is the
WaitHandle::join().
"""
stacktrace = []
count = 0
for wh in WaitHandle(wh).chain():
resumable = wh.resumable()
if resumable is None:
continue
if limit is None or count < limit:
stacktrace.append(frame.create_resumable(count, resumable))
count += 1
ar = asio_context(wh['m_contextIdx'])['m_savedFP']
if ar != nullptr():
stacktrace.append(frame.create_php(idx=count, ar=ar))
return stacktrace
def asio_stacktrace(wh, limit=None):
"""Produce a list of async frames by following a WaitHandle's parent chain.
The stacktrace ends at the WaitHandle::join().
The whole chain is walked even if `limit' is provided---the return
stacktrace will have `limit' or fewer entries if there were `limit' or
fewer frames, and `limit' + 1 frames otherwise, where the last frame is the
WaitHandle::join().
"""
stacktrace = []
count = 0
for wh in WaitHandle(wh).chain():
resumable = wh.resumable()
if resumable is None:
continue
if limit is None or count < limit:
stacktrace.append(frame.create_resumable(count, resumable))
count += 1
ar = asio_context(wh['m_contextIdx'])['m_savedFP']
if ar != nullptr():
stacktrace.append(frame.create_php(idx=count, ar=ar))
return stacktrace