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Added support for faulty pagers and their threads to become zombies

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Added support for pagers that fault to suspend and become zombies
along with all the threads that they manage. Zombie killing is to
be done at a later time, from this special zombie queue.

The implementation works same as a suspension, with the added action
that the thread is moved to a queue in kernel container.
This commit is contained in:
Bahadir Balban
2009-10-19 18:48:55 +03:00
parent 9177166817
commit cfa35e4a66
8 changed files with 110 additions and 78 deletions
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12
include/l4/generic/resource.h
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@@ -8,8 +8,6 @@
#define __RESOURCES_H__
/* Number of containers defined at compile-time */
#include <l4/config.h>
#include <l4/generic/capability.h>
#include <l4/lib/idpool.h>
#include INC_SUBARCH(mm.h)
@@ -41,6 +39,13 @@ container_head_init(struct container_head *chead)
link_init(&chead->list);
}
/* Hash table for all existing tasks */
struct ktcb_list {
struct link list;
struct spinlock list_lock;
int count;
};
/*
* Everything on the platform is described and stored
* in the structure below.
@@ -81,6 +86,9 @@ struct kernel_container {
struct mem_cache *mutex_cache;
struct mem_cache *cap_cache;
struct mem_cache *cont_cache;
/* Zombie thread list */
struct ktcb_list zombie_list;
};
extern struct kernel_container kernel_container;