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fcntl.2: Note that mandatory locking is now governed by a configuration option 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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Michael Kerrisk 2016-04-18 13:30:57 +01:00
parent afa0b44d06
commit e1124af0ba
1 changed files with 6 additions and 0 deletions
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@ -607,6 +607,12 @@ for which the kernel does perform deadlock detection.)
.IR Warning :
the Linux implementation of mandatory locking is unreliable.
See BUGS below.
Because of these bugs,
and the fact that the feature is believed to be little used,
since Linux 4.5, mandatory locking has been made an optional feature,
governed by a configuration option
.RB ( CONFIG_MANDATORY_FILE_LOCKING ).
This is an initial step toward removing this feature completely.
By default, both traditional (process-associated) and open file description
record locks are advisory.