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trial implementation of private file mapping

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for review only.  will soon be reverted.
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NAKAMURA Gou
2013-07-17 16:19:39 +09:00
parent 70e46dcd4b
commit abe57218c4
23 changed files with 1756 additions and 173 deletions
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22
kernel/include/memobj.h Normal file
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#ifndef HEADER_MEMOBJ_H
#define HEADER_MEMOBJ_H
#include <ihk/types.h>
#include <ihk/atomic.h>
#include <ihk/lock.h>
#include <list.h>
struct memobj {
struct list_head list;
ihk_atomic_t ref;
uintptr_t handle;
struct list_head page_list;
ihk_spinlock_t page_list_lock;
};
int memobj_create(int fd, int flags, int prot, struct memobj **objp, int *maxprotp);
void memobj_ref(struct memobj *obj);
void memobj_release(struct memobj *obj);
int memobj_get_page(struct memobj *obj, off_t off, size_t pgsize, uintptr_t *physp);
#endif /* HEADER_MEMOBJ_H */