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#ifndef _LINUX_MSG_H
#define _LINUX_MSG_H
#include <linux/ipc.h>
#define MSG_STAT 11
#define MSG_INFO 12
#define MSG_NOERROR 010000
#define MSG_EXCEPT 020000
struct msqid_ds {
struct ipc_perm msg_perm;
struct msg *msg_first;
struct msg *msg_last;
__kernel_time_t msg_stime;
__kernel_time_t msg_rtime;
__kernel_time_t msg_ctime;
unsigned long msg_lcbytes;
unsigned long msg_lqbytes;
unsigned short msg_cbytes;
unsigned short msg_qnum;
unsigned short msg_qbytes;
__kernel_ipc_pid_t msg_lspid;
__kernel_ipc_pid_t msg_lrpid;
};
#include <asm/msgbuf.h>
struct msgbuf {
long mtype;
char mtext[1];
};
struct msginfo {
int msgpool;
int msgmap;
int msgmax;
int msgmnb;
int msgmni;
int msgssz;
int msgtql;
unsigned short msgseg;
};
#define MSG_MEM_SCALE 32
#define MSGMNI 16
#define MSGMAX 8192
#define MSGMNB 16384
#define MSGPOOL (MSGMNI * MSGMNB / 1024)
#define MSGTQL MSGMNB
#define MSGMAP MSGMNB
#define MSGSSZ 16
#define __MSGSEG ((MSGPOOL * 1024) / MSGSSZ)
#define MSGSEG (__MSGSEG <= 0xffff ? __MSGSEG : 0xffff)
#ifdef __KERNEL__
#include <linux/list.h>
struct msg_msg {
struct list_head m_list;
long m_type;
size_t m_ts; /* message text size */
struct msg_msgseg* next;
void *security;
};
struct msg_queue {
struct kern_ipc_perm q_perm;
time_t q_stime;
time_t q_rtime;
time_t q_ctime;
unsigned long q_cbytes;
unsigned long q_qnum;
unsigned long q_qbytes;
pid_t q_lspid;
pid_t q_lrpid;
struct list_head q_messages;
struct list_head q_receivers;
struct list_head q_senders;
};
extern long do_msgsnd(int msqid, long mtype, void __user *mtext,
size_t msgsz, int msgflg);
extern long do_msgrcv(int msqid, long *pmtype, void __user *mtext,
size_t msgsz, long msgtyp, int msgflg);
#endif
#endif
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