src/memory/shmem.hpp

Idź do dokumentacji tego pliku.

/* header file for core/memory/shmem.cpp */

#ifndef _CORE_MEMORY_SHMEM_HPP
#define _CORE_MEMORY_SHMEM_HPP

#include "src/ipc/lock.hpp"
#include "src/memory/pager.hpp"

namespace Memory {
namespace Shmem {

struct shmem_t
 {
        class blist_t li;
        int cnt, cows;
        uint32 size;
        bool super;     //are these data supervisor?
        uint32 *pgs;    //the mappings for the pages
 };

struct shmem_s
 {
        struct shmem_t *sm;
        class Memory::Pager::memtree *tree;
        bool cow;
        uint32 offset;
        uint32 virtaddr;
        uint32 lgth;
 };

int shmem_create(struct shmem_t *sh, class Memory::Pager::memtree *tree, uint32 virtaddr, uint32 size, bool cow, bool super);
int shmem_attach(struct shmem_t *sh, class Memory::Pager::memtree *tree, uint32 virtaddr, uint32 offset, uint32 lgth, bool cow);
int shmem_mapdone(mmap_t *mpt, mmap_s *mps);
int shmem_roall(struct shmem_t *sh);    //map all present pages of the copies as ro
int shmem_map(struct shmem_s *sh);

  };    /*namespace Shmem*/
 };     /*namespace Memory*/

int shmem_paging_pfh(struct env_t *en, uint32 virt, uint32 phys);

#endif

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