Antoine Pitrou added the comment:
> test_subprocess_interactive
> (test.test_asyncio.test_events.PollEventLoopTests) ...
> 4588380: 64422135: close(3) = 0
> 4588380: 64422135:
> statx("/home/dje/src/cpython/Lib/test/test_asyncio/echo.py", 0x2FF20870, 128,
> 010) = 0
> 4588380: 64422135:
> kopen("/home/dje/src/cpython/Lib/test/test_asyncio/echo.py",
> O_RDONLY|O_LARGEFILE) = 3
> 4588380: 64422135: kioctl(3, 22528, 0x00000000, 0x00000000) Err#25
> ENOTTY
> 4588380: 64422135: kfcntl(3, F_SETFD, 0x00000001) = 0
> 4588380: 64422135: fstatx(0x00000003, 0x2FF229E8, 0x00000080,
> 0x00000008) = 0x00000000
> 4588380: 64422135: kioctl(3, 22528, 0x00000000, 0x00000000) Err#25
> ENOTTY
> 4588380: 64422135: lseek(0x00000003, 0x00000000, 0x00000001) =
> 0x00000000
> 4588380: 64422135: kioctl(3, 22528, 0x00000000, 0x00000000) Err#25
> ENOTTY
> 4588380: 64422135: kread(3, " i m p o r t o s\n\n i".., 4096) = 110
> 4588380: 64422135: klseek(3, 4294967295, -108, 0x00000001) = 0
> 4588380: 64422135: klseek(3, 0, 0, 0x00000000) = 0
> 4588380: 64422135: kread(3, " i m p o r t o s\n\n i".., 4096) = 110
> 4588380: 64422135: kread(3, " i m p o r t o s\n\n i".., 4096) = 0
> 4588380: 64422135: close(3) = 0
> 4588380: 64422135: kread(0, " P y t h o n � � � � �".., 1024) = 7
> 4588380: 64422135: kwrite(0x00000001, 0x200CD0A0, 0x00000007) =
> 0x00000007
> 4588380: 0x00000000: " P y t h o n � � � � �"..
> 59244954: 33161535: _poll(0x2067A970, 3, -1) = 1
> 4588380: 64422135: kread(0, " � � � � � � � � � � � �".., 1024) = 0
> 4588380: 64422135: kwrite(0x00000001, 0x200CD0F0, 0x00000000) =
> 0x00000000
> 4588380: 0x00000000: " � � � � � � � � � � � �"..
It seems echo.py should at least exit on EOF, which would prevent the
hangs (right now it's stuck in a busy loop calling os.read(0) which
always returns immediately).
(same for echo3.py)
----------
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue19293>
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