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Viewing changes to bzrlib/lock.py

  • Committer: Martin Pool
  • Date: 2005-07-11 03:42:53 UTC
  • Revision ID: mbp@sourcefrog.net-20050711034253-412281abeb9f56ad
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Lines of Context:
bzrlib/lock.py
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        f = None
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        def unlock(self):
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            fcntl.lockf(self.f, fcntl.LOCK_UN)
 
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            fcntl.flock(self.f, fcntl.LOCK_UN)
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            self.f.close()
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            del self.f 
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    class _fcntl_WriteLock(_fcntl_FileLock):
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        def __init__(self, filename):
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            try:
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                fcntl.lockf(self._open(filename, 'wb'), fcntl.LOCK_EX)
 
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                fcntl.flock(self._open(filename, 'wb'), fcntl.LOCK_EX)
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            except Exception, e:
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                raise LockError(e)
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    class _fcntl_ReadLock(_fcntl_FileLock):
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        def __init__(self, filename):
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            try:
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                fcntl.lockf(self._open(filename, 'rb'), fcntl.LOCK_SH)
 
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                fcntl.flock(self._open(filename, 'rb'), fcntl.LOCK_SH)
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            except Exception, e:
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                raise LockError(e)
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                LOCK_NB = 4
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                def unlock(self):
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                    _msvc_unlock(self.f)
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                    self.f.close()
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                    self.f = None
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            class _msvc_ReadLock(_msvc_FileLock):
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                        fpos = os.lseek(fn, 0,0)
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                        os.lseek(fn, 0,0)
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                    if flags & _msvc_FileLock.LOCK_SH:
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                        if flags & _msvc_FileLock.LOCK_NB:
 
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                    if flags & self.LOCK_SH:
 
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                        if flags & self.LOCK_NB:
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                            lock_mode = msvcrt.LK_NBLCK
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                        else:
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                            lock_mode = msvcrt.LK_LOCK
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                    elif flags & _msvc_FileLock.LOCK_EX:
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                        if flags & _msvc_FileLock.LOCK_NB:
 
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                    elif flags & self.LOCK_EX:
 
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                        if flags & self.LOCK_NB:
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                            lock_mode = msvcrt.LK_NBRLCK
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                        else:
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                            lock_mode = msvcrt.LK_RLCK