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concurrencytest: Fix Python3 warning

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This gives a warning in some situations:

  File "tools/dtoc/../concurrencytest/concurrencytest.py", line 95,
       in do_fork
    stream = os.fdopen(c2pread, 'rb', 1)
  File "/usr/lib/python3.8/os.py", line 1023, in fdopen
    return io.open(fd, *args, **kwargs)
RuntimeWarning: line buffering (buffering=1) isn't supported in binary
    mode, the default buffer size will be used

Fix this by dropping the line-buffer parameter.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2020-12-28 20:34:58 -07:00
parent bdf8fd76c0
commit fe2400895b
1 changed files with 2 additions and 2 deletions
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4
tools/concurrencytest/concurrencytest.py
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@ -68,7 +68,7 @@ def fork_for_tests(concurrency_num=CPU_COUNT):
pid = os.fork()
if pid == 0:
try:
stream = os.fdopen(c2pwrite, 'wb', 1)
stream = os.fdopen(c2pwrite, 'wb')
os.close(c2pread)
# Leave stderr and stdout open so we can see test noise
# Close stdin so that the child goes away if it decides to
@ -92,7 +92,7 @@ def fork_for_tests(concurrency_num=CPU_COUNT):
os._exit(0)
else:
os.close(c2pwrite)
stream = os.fdopen(c2pread, 'rb', 1)
stream = os.fdopen(c2pread, 'rb')
test = ProtocolTestCase(stream)
result.append(test)
return result