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From: | Pádraig Brady |
Subject: | bug#54681: timeout: Program called by timeout cannot interact with tty stdin when timeout is called by exec() |
Date: | Sat, 2 Apr 2022 13:25:47 +0100 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:97.0) Gecko/20100101 Thunderbird/97.0 |
tag 54681 notabug close 54681 stop On 02/04/2022 11:22, Zhaofeng Yang wrote:
Hi GNU Team, I found that program called by timeout cannot interact with tty stdin when timeout is called by exec(). A simplest example is `timeout 10 timeout 5 cat`. cat cannot read input from tty stdin. I also tried to run `timeout 5 cat` in other programs by exec(), and all of them cannot read tty stdin. For example, import subprocess subprocess.run(f"timeout 5 cat", shell=True)
timeout has a --foreground option to support this case, with the caveat that if the program forks children, they'll not be timed out. See https://www.gnu.org/software/coreutils/timeout for details. cheers, Pádraig
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