X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=ipc%2Futil.h;h=e3aa2c5c97dc1f996add0ba9e2827c8cca8d7b28;hb=9374549428820be10f01e217cec1b34cb3e3de6d;hp=0181553d31d85d4c3c9c85e712e3db1d17d63e1a;hpb=d62e54abca1146981fc9f98f85ff398a113a22c2;p=powerpc.git

diff --git a/ipc/util.h b/ipc/util.h
index 0181553d31..e3aa2c5c97 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);
@@ -65,6 +83,18 @@ void* ipc_rcu_alloc(int size);
 void ipc_rcu_getref(void *ptr);
 void ipc_rcu_putref(void *ptr);
 
+static inline void __ipc_fini_ids(struct ipc_ids *ids,
+		struct ipc_id_ary *entries)
+{
+	if (entries != &ids->nullentry)
+		ipc_rcu_putref(entries);
+}
+
+static inline void ipc_fini_ids(struct ipc_ids *ids)
+{
+	__ipc_fini_ids(ids, ids->entries);
+}
+
 struct kern_ipc_perm* ipc_get(struct ipc_ids* ids, int id);
 struct kern_ipc_perm* ipc_lock(struct ipc_ids* ids, int id);
 void ipc_lock_by_ptr(struct kern_ipc_perm *ipcp);