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georgexsh/queue_dead_lock.py

Created May 6, 2020 08:55
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Revisions

  1. georgexsh revised this gist May 6, 2020. 1 changed file with 0 additions and 2 deletions.
    2 changes: 0 additions & 2 deletions queue_dead_lock.py
    View file
    Original file line number Diff line number Diff line change
    @@ -3,8 +3,6 @@
    import threading




    def f(q):
    while True:
    try:
  2. georgexsh created this gist May 6, 2020.
    24 changes: 24 additions & 0 deletions queue_dead_lock.py
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,24 @@
    import os
    import Queue
    import threading




    def f(q):
    while True:
    try:
    q.get(block=False)
    except Queue.Empty:
    continue


    q = Queue.Queue(2)
    w = threading.Thread(target=f, args=(q,))
    w.daemon = True
    w.start()

    if os.fork() == 0:
    r = q.put(1, timeout=1)
    else:
    r = os.wait()