ipc.h File Reference

#include <linux/types.h>

Go to the source code of this file.

Data Structures
struct	ipc_perm
Defines
#define	IPC_PRIVATE   ((key_t) 0)
#define	IPC_CREAT   00001000
	resource get request flags create if key is nonexistent
#define	IPC_EXCL   00002000
	fail if key exists
#define	IPC_NOWAIT   00004000
	return error on wait
#define	IPC_RMID   0
	remove resource
#define	IPC_SET   1
	set ipc_perm options
#define	IPC_STAT   2
	get ipc_perm options
#define	IPC_INFO   3
	see ipcs
Typedefs
typedef int	key_t
	should go in <types.h> type for IPC key

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Define Documentation

#define IPC_CREAT   00001000

resource get request flags create if key is nonexistent

Definition at line 21 of file ipc.h.

#define IPC_EXCL   00002000

fail if key exists

Definition at line 22 of file ipc.h.

#define IPC_INFO   3

see ipcs

Definition at line 37 of file ipc.h.

#define IPC_NOWAIT   00004000

return error on wait

Definition at line 23 of file ipc.h.

#define IPC_PRIVATE   ((key_t) 0)

Definition at line 6 of file ipc.h.

#define IPC_RMID   0

remove resource

Control commands used with semctl, msgctl and shmctl see also specific commands in sem.h, msg.h and shm.h

Definition at line 34 of file ipc.h.

#define IPC_SET   1

set ipc_perm options

Definition at line 35 of file ipc.h.

#define IPC_STAT   2

get ipc_perm options

Definition at line 36 of file ipc.h.

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Typedef Documentation

typedef int key_t

should go in <types.h> type for IPC key

Definition at line 5 of file ipc.h.

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