From 9044058e6030079f218a9003b8b9dfc3fe40f317 Mon Sep 17 00:00:00 2001 From: Michael Kerrisk Date: Wed, 30 Apr 2014 12:23:41 +0200 Subject: [PATCH] fcntl.2: Add an explicit note that mandatory locking is not in POSIX Signed-off-by: Michael Kerrisk --- man2/fcntl.2 | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/man2/fcntl.2 b/man2/fcntl.2 index 7d2022f42..52aa0191a 100644 --- a/man2/fcntl.2 +++ b/man2/fcntl.2 @@ -552,7 +552,6 @@ then details about one of these locks are returned via as described above for .BR F_GETLK . .SS Mandatory locking -(Non-POSIX.) .IR Warning : the Linux implementation of mandatory locking is unreliable. See BUGS below. @@ -598,6 +597,10 @@ permission bit (see .BR chmod (1) and .BR chmod (2)). + +Mandatory locking is not specified by POSIX. +Some other systems also support mandatory locking, +although the details of how to enable it vary across systems. .SS Managing signals .BR F_GETOWN , .BR F_SETOWN ,