Struct shmid_ds

struct shmid_ds;

Description

Defines a shared memory region

Members

Defined in shmid_ds:

• shm_atimetime of last shmat(int,const void *,int)
• shm_cpidprocess ID of creator
• shm_ctimetime of last change by shmctl(int,int,struct shmid_ds *)
• shm_dtimetime of last shmdt(const void *)
• shm_internalsysv stupidity
• shm_lpidprocess ID of last shared memory op
• shm_nattchnumber of current attaches
• shm_perminode's device
• shm_segszsize of segment in bytes

ipc_perm shm_perm;

Description

inode's device

int shm_segsz;

Description

size of segment in bytes

pid_t shm_lpid;

Description

process ID of last shared memory op

pid_t shm_cpid;

Description

process ID of creator

short shm_nattch;

Description

number of current attaches

time_t shm_atime;

Description

time of last shmat(int,const void *,int)

time_t shm_dtime;

Description

time of last shmdt(const void *)

time_t shm_ctime;

Description

time of last change by shmctl(int,int,struct shmid_ds *)

void * shm_internal;

Description

sysv stupidity