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| author | Kirill Korotaev <dev@openvz.org> | 2006-10-02 02:18:20 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-02 07:57:22 -0700 |
| commit | 73ea41302bab5e02c9e86ab15c509494a550f1db (patch) | |
| tree | 10971a839dd53a9e18d6c866c9be93517fe8de25 /ipc/util.h | |
| parent | 25b21cb2f6d69b0475b134e0a3e8e269137270fa (diff) | |
| download | linux-stable-73ea41302bab5e02c9e86ab15c509494a550f1db.tar.gz linux-stable-73ea41302bab5e02c9e86ab15c509494a550f1db.tar.bz2 linux-stable-73ea41302bab5e02c9e86ab15c509494a550f1db.zip | |
[PATCH] IPC namespace - utils
This patch adds basic IPC namespace functionality to
IPC utils:
- init_ipc_ns
- copy/clone/unshare/free IPC ns
- /proc preparations
Signed-off-by: Pavel Emelianov <xemul@openvz.org>
Signed-off-by: Kirill Korotaev <dev@openvz.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Cedric Le Goater <clg@fr.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'ipc/util.h')
| -rw-r--r-- | ipc/util.h | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/ipc/util.h b/ipc/util.h index 0181553d31d8..c8fd6b9d77b5 100644 --- a/ipc/util.h +++ b/ipc/util.h @@ -3,6 +3,8 @@ * Copyright (C) 1999 Christoph Rohland * * ipc helper functions (c) 1999 Manfred Spraul <manfred@colorfullife.com> + * namespaces support. 2006 OpenVZ, SWsoft Inc. + * Pavel Emelianov <xemul@openvz.org> */ #ifndef _IPC_UTIL_H @@ -15,6 +17,14 @@ void sem_init (void); void msg_init (void); void shm_init (void); +int sem_init_ns(struct ipc_namespace *ns); +int msg_init_ns(struct ipc_namespace *ns); +int 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); + struct ipc_id_ary { int size; struct kern_ipc_perm *p[0]; @@ -31,15 +41,23 @@ struct ipc_ids { }; struct seq_file; -void __init ipc_init_ids(struct ipc_ids* ids, int size); +#ifdef CONFIG_IPC_NS +#define __ipc_init +#else +#define __ipc_init __init +#endif +void __ipc_init ipc_init_ids(struct ipc_ids *ids, int size); #ifdef CONFIG_PROC_FS void __init ipc_init_proc_interface(const char *path, const char *header, - struct ipc_ids *ids, - int (*show)(struct seq_file *, void *)); + int ids, int (*show)(struct seq_file *, void *)); #else #define ipc_init_proc_interface(path, header, ids, show) do {} while (0) #endif +#define IPC_SEM_IDS 0 +#define IPC_MSG_IDS 1 +#define IPC_SHM_IDS 2 + /* must be called with ids->mutex acquired.*/ int ipc_findkey(struct ipc_ids* ids, key_t key); int ipc_addid(struct ipc_ids* ids, struct kern_ipc_perm* new, int size); |