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Viewing changes to bzrlib/lock.py

  • Committer: Robert Collins
  • Date: 2005-10-30 00:00:09 UTC
  • mfrom: (1185.16.134)
  • Revision ID: robertc@robertcollins.net-20051030000009-9db99a338a0dfdac
Merge from Martin.

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bzrlib/lock.py
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        import win32con, win32file, pywintypes
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        #LOCK_SH = 0 # the default
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        #LOCK_EX = win32con.LOCKFILE_EXCLUSIVE_LOCK
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        #LOCK_NB = win32con.LOCKFILE_FAIL_IMMEDIATELY
 
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        LOCK_SH = 0 # the default
 
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        LOCK_EX = win32con.LOCKFILE_EXCLUSIVE_LOCK
 
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        LOCK_NB = win32con.LOCKFILE_FAIL_IMMEDIATELY
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        class _w32c_FileLock(_base_Lock):
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            def _lock(self, filename, openmode, lockmode):
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        class _w32c_ReadLock(_w32c_FileLock):
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            def __init__(self, filename):
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                _w32c_FileLock._lock(self, filename, 'rb', 0)
 
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                _w32c_FileLock._lock(self, filename, 'rb',
 
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                                     LOCK_NB)
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        class _w32c_WriteLock(_w32c_FileLock):
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            def __init__(self, filename):
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                _w32c_FileLock._lock(self, filename, 'wb',
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                                     win32con.LOCKFILE_EXCLUSIVE_LOCK)
 
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                                     LOCK_EX + LOCK_NB)
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