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# f.close() is not thread-safe: calling it at the same time as another
# operation (or another close) on the same file, but done from another
# thread, causes crashes. The issue is more complicated than it seems,
# witness the discussions in:
#
# http://bugs.python.org/issue595601
# http://bugs.python.org/issue815646
import _thread
while 1:
f = open("multithreaded_close.tmp", "w")
_thread.start_new_thread(f.close, ())
f.close()
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