semid_ds Struct Reference

One semid data structure for each set of semaphores in the system. More...

#include <sem.h>

Data Fields
ipc_perm	sem_perm
	permissions .. see ipc.h
time_t	sem_otime
	last semop time
time_t	sem_ctime
	last change time
sem *	sem_base
	ptr to first semaphore in array
wait_queue *	eventn
wait_queue *	eventz
sem_undo *	undo
	undo requests on this array
ushort	sem_nsems
	no. of semaphores in array

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Detailed Description

One semid data structure for each set of semaphores in the system.

Definition at line 18 of file sem.h.

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Field Documentation

struct wait_queue* semid_ds::eventn

Definition at line 23 of file sem.h.

struct wait_queue* semid_ds::eventz

Definition at line 24 of file sem.h.

struct sem* semid_ds::sem_base

ptr to first semaphore in array

Definition at line 22 of file sem.h.

time_t semid_ds::sem_ctime

last change time

Definition at line 21 of file sem.h.

ushort semid_ds::sem_nsems

no. of semaphores in array

Definition at line 26 of file sem.h.

time_t semid_ds::sem_otime

last semop time

Definition at line 20 of file sem.h.

struct ipc_perm semid_ds::sem_perm

permissions .. see ipc.h

Definition at line 19 of file sem.h.

struct sem_undo* semid_ds::undo

undo requests on this array

Definition at line 25 of file sem.h.

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The documentation for this struct was generated from the following file:

• linux/sem.h

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