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Added means to search for threads in other containers

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Thread ids now contain their container ids in the top 2 nibbles.
Threads on other containers can be addressed by changing those
two nibbles. The addressing of inter-container threads are
subject to capabilities.
This commit is contained in:
Bahadir Balban
2009-11-04 20:56:57 +02:00
parent 516efccd99
commit d9520adb55
15 changed files with 91 additions and 37 deletions
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1
include/l4/generic/container.h
View File

@@ -107,6 +107,7 @@ int container_init_pagers(struct kernel_resources *kres,
pgd_table_t *current_pgd);
int init_containers(struct kernel_resources *kres);
struct container *container_find(struct kernel_resources *kres, l4id_t cid);
#endif /* __CONTAINER_H__ */

2
include/l4/generic/resource.h
View File

@@ -32,6 +32,7 @@ struct boot_resources {
struct container_head {
int ncont;
struct link list;
struct spinlock lock;
};
static inline void
@@ -39,6 +40,7 @@ container_head_init(struct container_head *chead)
{
chead->ncont = 0;
link_init(&chead->list);
spin_lock_init(&chead->lock);
}
/* Hash table for all existing tasks */

9
include/l4/generic/tcb.h
View File

@@ -41,6 +41,12 @@ enum task_state {
#define TASK_CID_MASK 0xFF000000
#define TASK_ID_MASK 0x00FFFFFF
#define TASK_CID_SHIFT 24
static inline l4id_t tid_to_cid(l4id_t tid)
{
return (tid & TASK_CID_MASK) >> TASK_CID_SHIFT;
}
static inline int task_id_special(l4id_t id)
{
@@ -53,7 +59,6 @@ struct task_ids {
l4id_t tid;
l4id_t spid;
l4id_t tgid;
l4id_t cid;
};
struct container;
@@ -166,7 +171,7 @@ void tcb_add(struct ktcb *tcb);
void tcb_remove(struct ktcb *tcb);
void tcb_init(struct ktcb *tcb);
struct ktcb *tcb_alloc_init(void);
struct ktcb *tcb_alloc_init(l4id_t cid);
void tcb_delete(struct ktcb *tcb);