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Capability replicate/deduce/share tested with mm0.

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This commit is contained in:
Bahadir Balban
2009-11-07 23:45:57 +02:00
parent e8f002f879
commit b136b79a2d
5 changed files with 94 additions and 39 deletions
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42
conts/posix/mm0/include/capability.h
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@@ -35,6 +35,48 @@ struct capability {
};
static inline void cap_list_init(struct cap_list *clist)
{
clist->ncaps = 0;
link_init(&clist->caps);
}
static inline void cap_list_insert(struct capability *cap,
struct cap_list *clist)
{
list_insert(&cap->list, &clist->caps);
clist->ncaps++;
}
/* Detach a whole list of capabilities from list head */
static inline struct capability *
cap_list_detach(struct cap_list *clist)
{
struct link *list = list_detach(&clist->caps);
clist->ncaps = 0;
return link_to_struct(list, struct capability, list);
}
/* Attach a whole list of capabilities to list head */
static inline void cap_list_attach(struct capability *cap,
struct cap_list *clist)
{
/* Attach as if cap is the list and clist is the element */
list_insert(&clist->caps, &cap->list);
/* Count the number of caps attached */
list_foreach_struct(cap, &clist->caps, list)
clist->ncaps++;
}
static inline void cap_list_move(struct cap_list *to,
struct cap_list *from)
{
struct capability *cap_head = cap_list_detach(from);
cap_list_attach(cap_head, to);
}
extern struct cap_list capability_list;
struct initdata;