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| author | Serge E. Hallyn <serue@us.ibm.com> | 2009-04-06 19:01:08 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-07 08:31:09 -0700 |
| commit | 614b84cf4e4a920d2af32b8f147ea1e3b8c27ea6 (patch) | |
| tree | 52478e38cd400042bd89f123c4101c95943ae492 /ipc/util.h | |
| parent | 909e6d94795654040ed416ac69858d5d2ce66dd3 (diff) | |
| download | lwn-614b84cf4e4a920d2af32b8f147ea1e3b8c27ea6.tar.gz lwn-614b84cf4e4a920d2af32b8f147ea1e3b8c27ea6.zip | |
namespaces: mqueue ns: move mqueue_mnt into struct ipc_namespace
Move mqueue vfsmount plus a few tunables into the ipc_namespace struct.
The CONFIG_IPC_NS boolean and the ipc_namespace struct will serve both the
posix message queue namespaces and the SYSV ipc namespaces.
The sysctl code will be fixed separately in patch 3. After just this
patch, making a change to posix mqueue tunables always changes the values
in the initial ipc namespace.
Signed-off-by: Cedric Le Goater <clg@fr.ibm.com>
Signed-off-by: Serge E. Hallyn <serue@us.ibm.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'ipc/util.h')
| -rw-r--r-- | ipc/util.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/ipc/util.h b/ipc/util.h index 3646b45a03c9..0e7d9223acc1 100644 --- a/ipc/util.h +++ b/ipc/util.h @@ -20,6 +20,13 @@ void shm_init (void); struct ipc_namespace; +#ifdef CONFIG_POSIX_MQUEUE +void mq_exit_ns(struct ipc_namespace *ns); +#else +static inline void mq_exit_ns(struct ipc_namespace *ns) { } +#endif + +#ifdef CONFIG_SYSVIPC void sem_init_ns(struct ipc_namespace *ns); void msg_init_ns(struct ipc_namespace *ns); void shm_init_ns(struct ipc_namespace *ns); @@ -27,6 +34,15 @@ void shm_init_ns(struct ipc_namespace *ns); void sem_exit_ns(struct ipc_namespace *ns); void msg_exit_ns(struct ipc_namespace *ns); void shm_exit_ns(struct ipc_namespace *ns); +#else +static inline void sem_init_ns(struct ipc_namespace *ns) { } +static inline void msg_init_ns(struct ipc_namespace *ns) { } +static inline void shm_init_ns(struct ipc_namespace *ns) { } + +static inline void sem_exit_ns(struct ipc_namespace *ns) { } +static inline void msg_exit_ns(struct ipc_namespace *ns) { } +static inline void shm_exit_ns(struct ipc_namespace *ns) { } +#endif /* * Structure that holds the parameters needed by the ipc operations |