37 lines
759 B
C
37 lines
759 B
C
#include "sharedobject.h"
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#include "avltree.h"
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#include "mmgr.h"
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#include "heap.h"
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struct shared_object *create_shared_object(size_t size, unsigned long flags)
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{
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physaddr_t phys_addr = reserve_pages(size);
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if(phys_addr == NULL)
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{
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return NULL;
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}
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struct shared_object_t *obj = kmalloc(sizeof(struct shared_object_t));
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if(obj == NULL)
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{
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free_pages(phys_addr);
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return NULL;
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}
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obj->phys_addr = phys_addr;
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obj->size = size;
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obj->access_flags = flags;
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obj->refcount = 0;
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obj->users = NULL;
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return obj;
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}
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void destroy_shared_object(struct shared_object_t *obj)
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{
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if(obj != NULL)
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{
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free_pages(obj->phys_addr);
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avl_clear(obj->users);
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kfree(obj);
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}
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} |