msgop.2: Note capability required to raise MQ size beyond MSGMNB

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

diff --git a/man2/msgop.2 b/man2/msgop.2
index 728f88f1a80d503b44f071016517487c08d7a84a..e888dc8beb427621ad283837b53cca8059ef55bb 100644 (file)
--- a/man2/msgop.2
+++ b/man2/msgop.2
@@ -37,7 +37,7 @@
 .\"    Added notes on /proc files
 .\" FIXME . Add example programs to this page.
 .\"
-.TH MSGOP 2 2014-03-17 "Linux" "Linux Programmer's Manual"
+.TH MSGOP 2 2014-04-28 "Linux" "Linux Programmer's Manual"
 .SH NAME
 msgrcv, msgsnd \- System V message queue operations
 .SH SYNOPSIS
@@ -507,7 +507,11 @@ Maximum size for a message text: 8192 bytes
 Default maximum size in bytes of a message queue: 16384 bytes
 (on Linux, this limit can be read and modified via
 .IR /proc/sys/kernel/msgmnb ).
-The superuser can increase the size of a message queue beyond
+A privileged process
+(Linux: a process with the
+.B CAP_SYS_RESOURCE
+capability)
+can increase the size of a message queue beyond
 .B MSGMNB
 by a
 .BR msgctl (2)