ipc.h

来自「Axis 221 camera embedded programing inte」· C头文件 代码 · 共 32 行

#ifndef _ASM_GENERIC_IPC_H
#define _ASM_GENERIC_IPC_H
/*
 * These are used to wrap system calls.
 *
 * See architecture code for ugly details..
 */
struct ipc_kludge {
	struct msgbuf __user *msgp;
	long msgtyp;
};

#define SEMOP		 1
#define SEMGET		 2
#define SEMCTL		 3
#define SEMTIMEDOP	 4
#define MSGSND		11
#define MSGRCV		12
#define MSGGET		13
#define MSGCTL		14
#define SHMAT		21
#define SHMDT		22
#define SHMGET		23
#define SHMCTL		24

/* Used by the DIPC package, try and avoid reusing it */
#define DIPC            25

#define IPCCALL(version,op)	((version)<<16 | (op))

#endif	/* _ASM_GENERIC_IPC_H */