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authorTom Rondeau <trondeau@vt.edu>2013-03-07 14:24:52 -0500
committerTom Rondeau <trondeau@vt.edu>2013-03-07 14:24:52 -0500
commit7ebec8cc4b5e3a9eb480e3f954f9425d92e73a18 (patch)
treeb75f2d7d5f14d64eacf755d6dfabe1b2319043c2 /gr-blocks/python/qa_pdu.py
parent54a4df9513ea681a8b376c4df3f4f846f92201c1 (diff)
core: protect against popping a message off the queue if no handler is attached.
This mostly solves a problem with threads being launched in random order, so a handler might not be established yet, even if there is a message waiting. Fixes Issue #514.
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