msg.h revision 1dc9e472e19acfe6dc7f41e429236e7eef7ceda1 
1/****************************************************************************
2 ****************************************************************************
3 ***
4 ***   This header was automatically generated from a Linux kernel header
5 ***   of the same name, to make information necessary for userspace to
6 ***   call into the kernel available to libc.  It contains only constants,
7 ***   structures, and macros generated from the original header, and thus,
8 ***   contains no copyrightable information.
9 ***
10 ****************************************************************************
11 ****************************************************************************/
12#ifndef _LINUX_MSG_H
13#define _LINUX_MSG_H
14
15#include <linux/ipc.h>
16
17#define MSG_STAT 11
18#define MSG_INFO 12
19
20#define MSG_NOERROR 010000
21#define MSG_EXCEPT 020000
22
23struct msqid_ds {
24 struct ipc_perm msg_perm;
25 struct msg *msg_first;
26 struct msg *msg_last;
27 __kernel_time_t msg_stime;
28 __kernel_time_t msg_rtime;
29 __kernel_time_t msg_ctime;
30 unsigned long msg_lcbytes;
31 unsigned long msg_lqbytes;
32 unsigned short msg_cbytes;
33 unsigned short msg_qnum;
34 unsigned short msg_qbytes;
35 __kernel_ipc_pid_t msg_lspid;
36 __kernel_ipc_pid_t msg_lrpid;
37};
38
39#include <asm/msgbuf.h>
40
41struct msgbuf {
42 long mtype;
43 char mtext[1];
44};
45
46struct msginfo {
47 int msgpool;
48 int msgmap;
49 int msgmax;
50 int msgmnb;
51 int msgmni;
52 int msgssz;
53 int msgtql;
54 unsigned short msgseg;
55};
56
57#define MSGMNI 16
58#define MSGMAX 8192
59#define MSGMNB 16384
60
61#define MSGPOOL (MSGMNI*MSGMNB/1024)
62#define MSGTQL MSGMNB
63#define MSGMAP MSGMNB
64#define MSGSSZ 16
65#define __MSGSEG ((MSGPOOL*1024)/ MSGSSZ)
66#define MSGSEG (__MSGSEG <= 0xffff ? __MSGSEG : 0xffff)
67
68#endif
69