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Stack recycling is added to the thread library.

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Still, it does not support thread trees which have more than one level depth.
This commit is contained in:
Bora Sahin
2009-11-10 21:48:48 +02:00
parent a23b7fcbc2
commit 3149356ffc
9 changed files with 93 additions and 36 deletions
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4
conts/libl4thread/include/l4thread/addr.h
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@@ -21,7 +21,7 @@ int address_pool_init_with_idpool(struct address_pool *pool,
int address_pool_init(struct address_pool *pool,
unsigned long start, unsigned long end,
int size);
void *address_new(struct address_pool *pool, int npages);
int address_del(struct address_pool *, void *addr, int npages);
void *address_new(struct address_pool *pool, int nitems, int size);
int address_del(struct address_pool *, void *addr, int nitems, int size);
#endif /* __ADDR_H__ */

16
conts/libl4thread/include/l4thread/stack.h Normal file
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@@ -0,0 +1,16 @@
/*
* Stack region helper routines.
*
* Copyright (C) 2009 B Labs Ltd.
*/
#ifndef __LIB_STACK_H__
#define __LIB_STACK_H__
int stack_pool_init(unsigned long stack_start,
unsigned long stack_end,
unsigned long stack_size);
void *stack_new_space(int nitems, int size);
int stack_delete_space(void *stack_address, int nitems, int size);
#endif /* __LIB_STACK_H__ */

1
conts/libl4thread/include/l4thread/tcb.h
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@@ -19,6 +19,7 @@ struct l4t_tcb {
int tid;
struct utcb_head *utcb_head;
unsigned long utcb_addr;
unsigned long stack_addr;
};
/* This struct keeps track of all the threads handled by the thread lib. */

2
conts/libl4thread/include/l4thread/utcb-common.h
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@@ -1,5 +1,5 @@
/*
* UTCB handling common helper routines
* UTCB handling common helper routines.
*
* Copyright (C) 2009 B Labs Ltd.
*/