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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"subprocess: Popen.kill() + Popen.communicate() is blocking until all processes using the pipe close the pipe","articleBody":"BPO | [38207](https://bugs.python.org/issue38207)\n--- | :---\nNosy | @vstinner, @jkloth, @miss-islington\nPRs | \u003cli\u003epython/cpython#16659\u003c/li\u003e\u003cli\u003epython/cpython#16676\u003c/li\u003e\u003cli\u003epython/cpython#16677\u003c/li\u003e\nFiles | \u003cli\u003e[communicate_close.py](https://bugs.python.org/file48612/communicate_close.py \"Uploaded as text/plain at 2019-09-18.14:16:38 by @vstinner\")\u003c/li\u003e\n\n\u003csup\u003e*Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.*\u003c/sup\u003e\n\n\u003cdetails\u003e\u003csummary\u003eShow more details\u003c/summary\u003e\u003cp\u003e\n\nGitHub fields:\n```python\nassignee = None\nclosed_at = \u003cDate 2020-02-07.10:48:47.697\u003e\ncreated_at = \u003cDate 2019-09-17.23:30:48.162\u003e\nlabels = ['library', '3.9']\ntitle = 'subprocess: Popen.kill() + Popen.communicate() is blocking until all processes using the pipe close the pipe'\nupdated_at = \u003cDate 2020-02-07.10:48:47.697\u003e\nuser = 'https://github.com/vstinner'\n```\n\nbugs.python.org fields:\n```python\nactivity = \u003cDate 2020-02-07.10:48:47.697\u003e\nactor = 'vstinner'\nassignee = 'none'\nclosed = True\nclosed_date = \u003cDate 2020-02-07.10:48:47.697\u003e\ncloser = 'vstinner'\ncomponents = ['Library (Lib)']\ncreation = \u003cDate 2019-09-17.23:30:48.162\u003e\ncreator = 'vstinner'\ndependencies = []\nfiles = ['48612']\nhgrepos = []\nissue_num = 38207\nkeywords = ['patch']\nmessage_count = 10.0\nmessages = ['352673', '352678', '352729', '354222', '354269', '354271', '354278', '354820', '354823', '361565']\nnosy_count = 3.0\nnosy_names = ['vstinner', 'jkloth', 'miss-islington']\npr_nums = ['16659', '16676', '16677']\npriority = 'normal'\nresolution = 'fixed'\nstage = 'resolved'\nstatus = 'closed'\nsuperseder = None\ntype = None\nurl = 'https://bugs.python.org/issue38207'\nversions = ['Python 3.9']\n```\n\n\u003c/p\u003e\u003c/details\u003e\n","author":{"url":"https://github.com/vstinner","@type":"Person","name":"vstinner"},"datePublished":"2019-09-17T23:30:48.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":10},"url":"https://github.com/82388/cpython/issues/82388"}