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Viewing changes to bzrlib/lock.py

(jameinel) Allow 'bzr serve' to interpret SIGHUP as a graceful shutdown.
 (bug #795025) (John A Meinel)

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bzrlib/lock.py
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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"""Locking using OS file locks or file existence.
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Note: This method of locking is generally deprecated in favour of LockDir, but
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unlock() method.
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"""
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from __future__ import absolute_import
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import contextlib
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import errno
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import os
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import sys
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            trace.note(gettext('{0!r} was {1} locked again'), self, type_name)
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        self._prev_lock = lock_type
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@contextlib.contextmanager
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def write_locked(lockable):
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    lockable.lock_write()
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    try:
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        yield lockable
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    finally:
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        lockable.unlock()