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author | Michael Kerrisk <mtk.manpages@gmail.com> | 2016-04-18 13:30:57 +0100 |
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committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2016-04-18 13:31:17 +0100 |
commit | e1124af0ba947c59555cc23a3d726a375577df9a (patch) | |
tree | e2ab82a5ff29bbfbfda9b5f3c863837d22acf43a | |
parent | afa0b44d06ddfca9e056d9603cf2b298abe816e2 (diff) | |
download | man-pages-e1124af0ba947c59555cc23a3d726a375577df9a.tar.gz |
fcntl.2: Note that mandatory locking is now governed by a configuration option
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
-rw-r--r-- | man2/fcntl.2 | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/man2/fcntl.2 b/man2/fcntl.2 index 675ded7686..fe750a017b 100644 --- a/man2/fcntl.2 +++ b/man2/fcntl.2 @@ -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. |