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  • Committer: Canonical.com Patch Queue Manager
  • Date: 2011-06-14 08:08:36 UTC
  • mfrom: (5425.4.30 220464-stale-locks)
  • Revision ID: pqm@pqm.ubuntu.com-20110614080836-d06kod1br6j1rx6j
(mbp) optionally detect and steal dead locks from the same machine and user
 (bug 220464) (Martin Pool)

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Lines of Context:
bzrlib/osutils.py
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            if os.access(f, os.X_OK):
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                return f
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    return None
 
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def _posix_is_local_pid_dead(pid):
 
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    """True if pid doesn't correspond to live process on this machine"""
 
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    try:
 
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        # Special meaning of unix kill: just check if it's there.
 
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        os.kill(pid, 0)
 
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    except OSError, e:
 
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        if e.errno == errno.ESRCH:
 
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            # On this machine, and really not found: as sure as we can be
 
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            # that it's dead.
 
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            return True
 
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        elif e.errno == errno.EPERM:
 
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            # exists, though not ours
 
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            return False
 
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        else:
 
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            mutter("os.kill(%d, 0) failed: %s" % (pid, e))
 
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            # Don't really know.
 
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            return False
 
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    else:
 
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        # Exists and our process: not dead.
 
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        return False
 
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if sys.platform == "win32":
 
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    is_local_pid_dead = win32utils.is_local_pid_dead
 
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else:
 
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    is_local_pid_dead = _posix_is_local_pid_dead