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sys._current_frames() reports too many/wrong stack frames #61296

@Ringding

Description

@Ringding
mannequin
BPO 17094
Nosy @pitrou, @vstinner, @ssbr
Files
  • current-frames-cleanup.patch: Minimal patch
  • test-fork-frames.py: Test program
  • tstate_after_fork.diff
  • tstates-afterfork.patch
  • tstates-afterfork2.patch
  • _current_frames_27_setdefault.diff
  • Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.

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    GitHub fields:

    assignee = None
    closed_at = <Date 2013-05-05.21:48:15.780>
    created_at = <Date 2013-01-31.21:39:23.549>
    labels = ['interpreter-core', 'type-bug']
    title = 'sys._current_frames() reports too many/wrong stack frames'
    updated_at = <Date 2015-05-29.23:09:14.080>
    user = 'https://bugs.python.org/Ringding'

    bugs.python.org fields:

    activity = <Date 2015-05-29.23:09:14.080>
    actor = 'Devin Jeanpierre'
    assignee = 'none'
    closed = True
    closed_date = <Date 2013-05-05.21:48:15.780>
    closer = 'pitrou'
    components = ['Interpreter Core']
    creation = <Date 2013-01-31.21:39:23.549>
    creator = 'Ringding'
    dependencies = []
    files = ['28924', '28925', '29295', '29427', '30137', '39564']
    hgrepos = []
    issue_num = 17094
    keywords = ['patch']
    message_count = 15.0
    messages = ['181045', '182897', '183352', '183377', '183440', '183445', '184343', '184344', '186011', '186210', '188452', '188469', '188470', '244353', '244429']
    nosy_count = 6.0
    nosy_names = ['pitrou', 'vstinner', 'Devin Jeanpierre', 'Ringding', 'neologix', 'python-dev']
    pr_nums = []
    priority = 'normal'
    resolution = 'fixed'
    stage = 'resolved'
    status = 'closed'
    superseder = None
    type = 'behavior'
    url = 'https://bugs.python.org/issue17094'
    versions = ['Python 3.4']

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      interpreter-core(Objects, Python, Grammar, and Parser dirs)type-bugAn unexpected behavior, bug, or error

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