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implement System V shared memory for LTP syscalls

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NAKAMURA Gou
2015-03-11 11:18:17 +09:00
parent f5d935b703
commit 4698bc40c2
7 changed files with 842 additions and 79 deletions
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11
kernel/include/memobj.h
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@@ -18,11 +18,19 @@
#include <ihk/lock.h>
#include <errno.h>
#include <list.h>
#include <shm.h>
/* begin types.h */
typedef int32_t key_t;
typedef uint32_t uid_t;
typedef uint32_t gid_t;
typedef int64_t time_t;
typedef int32_t pid_t;
/* end types.h */
enum {
/* for memobj.flags */
MF_HAS_PAGER = 0x0001,
MF_SHMDT_OK = 0x0002,
};
struct memobj {
@@ -113,6 +121,7 @@ static inline int memobj_has_pager(struct memobj *obj)
}
int fileobj_create(int fd, struct memobj **objp, int *maxprotp);
struct shmid_ds;
int shmobj_create(struct shmid_ds *ds, struct memobj **objp);
int zeroobj_create(struct memobj **objp);
int devobj_create(int fd, size_t len, off_t off, struct memobj **objp, int *maxprotp);