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| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2012-11-30 10:59:42 +0100 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2012-11-30 11:02:49 +0100 |
| commit | 89f54905a0e30879bab370263b43ba8b6f04d3ea (patch) | |
| tree | 70b1af5d548aa8a7df2c6966572042b4cc92e852 | |
| parent | f766e43c28bb95f55c05294ab21aa14b5cfd6e35 (diff) | |
| download | man-pages-89f54905a0e30879bab370263b43ba8b6f04d3ea.tar.gz | |
clone.2: Since 2.6.30, CLONE_NEWIPC also supports POSIX message queues
See kernel commit 7eafd7c74c3f2e67c27621b987b28397110d643f
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
| -rw-r--r-- | man2/clone.2 | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/man2/clone.2 b/man2/clone.2 index 0582057b61..aca10fda9c 100644 --- a/man2/clone.2 +++ b/man2/clone.2 @@ -40,7 +40,7 @@ .\" FIXME Document CLONE_NEWUSER, which is new in 2.6.23 .\" (also supported for unshare()?) .\" -.TH CLONE 2 2012-07-19 "Linux" "Linux Programmer's Manual" +.TH CLONE 2 2012-11-30 "Linux" "Linux Programmer's Manual" .SH NAME clone, __clone2 \- create a child process .SH SYNOPSIS @@ -272,6 +272,16 @@ Objects created in an IPC namespace are visible to all other processes that are members of that namespace, but are not visible to processes in other IPC namespaces. +Since Linux 2.6.30, +.\" commit 7eafd7c74c3f2e67c27621b987b28397110d643f +.\" https://lwn.net/Articles/312232/ +.B CLONE_NEWIPC +also supports POSIX message queues, meaning that +.B CLONE_NEWIPC +causes a new instance of a POSIX message queue file system (see +.BR mq_overview (7)) +to be created and mounted. + When an IPC namespace is destroyed (i.e, when the last process that is a member of the namespace terminates), all IPC objects in the namespace are automatically destroyed. |