~bzr-pqm/bzr/bzr.dev

Viewing changes to bzrlib/lockdir.py

LockDir doc corrections

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# along with this program; if not, write to the Free Software

# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

"""lock file protecting a resource

"""On-disk mutex protecting a resource

bzr objects are locked by the existence of a file with a particular name

within the control directory. We use this rather than OS internal locks

(such as flock etc) because they can be seen across all transports,

including http.

bzr objects are locked by the existence of a directory with a particular name

within the control directory. We use this rather than OS internal locks (such

as flock etc) because they can be seen across all transports, including http.

Objects can be read if there is only physical read access; therefore

readers can never be required to create a lock, though they will