Files
mckernel/kernel/include/shm.h
2014-07-07 18:11:40 +09:00

50 lines
841 B
C

/**
* \file shm.h
* License details are found in the file LICENSE.
* \brief
* header file for System V shared memory
* \author Gou Nakamura <go.nakamura.yw@hitachi-solutions.com>
*/
/*
* HISTORY:
*/
#ifndef HEADER_SHM_H
#define HEADER_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 */
typedef uint64_t shmatt_t;
struct ipc_perm {
key_t key;
uid_t uid;
gid_t gid;
uid_t cuid;
gid_t cgid;
uint16_t mode;
uint8_t padding[2];
uint16_t seq;
uint8_t padding2[22];
};
struct shmid_ds {
struct ipc_perm shm_perm;
size_t shm_segsz;
time_t shm_atime;
time_t shm_dtime;
time_t shm_ctime;
pid_t shm_cpid;
pid_t shm_lpid;
shmatt_t shm_nattch;
uint8_t padding[16];
};
#endif /* HEADER_SHM_H */