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38 lines
955 B
Python
38 lines
955 B
Python
import sys
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import traceback
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import os
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import signal
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haveThreadframe = True
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try:
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import threadframe
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except ImportError:
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haveThreadframe = False
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class TracebackHelper(object):
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def __init__(self):
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fname = "%s-%d" % (os.path.basename(sys.argv[0]), os.getpid())
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self._fpath = os.path.join("/tmp", fname)
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print "Tracebacks will be written to %s on SIGUSR1" % self._fpath
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signal.signal(signal.SIGUSR1, self._handler)
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def __del__(self):
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try:
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os.remove(self._fpath)
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except OSError:
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pass
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def _handler(self, signum, pframe):
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f = open(self._fpath, "a")
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if not haveThreadframe:
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f.write("Threadframe not installed. No traceback available.\n")
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else:
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frames = threadframe.dict()
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for thread_id, frame in frames.iteritems():
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f.write(('-' * 79) + '\n')
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f.write('[Thread %s] %d' % (thread_id, sys.getrefcount(frame)) + '\n')
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traceback.print_stack(frame, limit=None, file=f)
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f.write("\n")
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f.write('\n')
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f.close()
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