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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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9
include/l4/generic/tcb.h
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@@ -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);