]>
Commit | Line | Data |
---|---|---|
d4697bc9 | 1 | /* Copyright (C) 1995-2014 Free Software Foundation, Inc. |
76d81302 AJ |
2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU Lesser General Public | |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
8 | ||
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
76d81302 AJ |
17 | |
18 | #ifndef _SYS_MSG_H | |
19 | # error "Never use <bits/msq.h> directly; include <sys/msg.h> instead." | |
20 | #endif | |
21 | ||
22 | #include <bits/types.h> | |
76d81302 AJ |
23 | |
24 | /* Define options for message queue functions. */ | |
25 | #define MSG_NOERROR 010000 /* no error if message is too big */ | |
26 | #ifdef __USE_GNU | |
27 | # define MSG_EXCEPT 020000 /* recv any msg except of specified type */ | |
67525cb8 | 28 | # define MSG_COPY 040000 /* copy (not remove) all queue messages */ |
76d81302 AJ |
29 | #endif |
30 | ||
31 | /* Types used in the structure definition. */ | |
cb2b9ef7 L |
32 | typedef __syscall_ulong_t msgqnum_t; |
33 | typedef __syscall_ulong_t msglen_t; | |
76d81302 AJ |
34 | |
35 | /* Structure of record for one message inside the kernel. | |
36 | The type `struct msg' is opaque. */ | |
37 | struct msqid_ds | |
38 | { | |
39 | struct ipc_perm msg_perm; /* structure describing operation permission */ | |
40 | __time_t msg_stime; /* time of last msgsnd command */ | |
cb2b9ef7 | 41 | #ifndef __x86_64__ |
d1d9eaf4 | 42 | unsigned long int __glibc_reserved1; |
76d81302 AJ |
43 | #endif |
44 | __time_t msg_rtime; /* time of last msgrcv command */ | |
cb2b9ef7 | 45 | #ifndef __x86_64__ |
d1d9eaf4 | 46 | unsigned long int __glibc_reserved2; |
76d81302 AJ |
47 | #endif |
48 | __time_t msg_ctime; /* time of last change */ | |
cb2b9ef7 | 49 | #ifndef __x86_64__ |
d1d9eaf4 | 50 | unsigned long int __glibc_reserved3; |
76d81302 | 51 | #endif |
cb2b9ef7 | 52 | __syscall_ulong_t __msg_cbytes; /* current number of bytes on queue */ |
76d81302 AJ |
53 | msgqnum_t msg_qnum; /* number of messages currently on queue */ |
54 | msglen_t msg_qbytes; /* max number of bytes allowed on queue */ | |
55 | __pid_t msg_lspid; /* pid of last msgsnd() */ | |
56 | __pid_t msg_lrpid; /* pid of last msgrcv() */ | |
d1d9eaf4 OB |
57 | __syscall_ulong_t __glibc_reserved4; |
58 | __syscall_ulong_t __glibc_reserved5; | |
76d81302 AJ |
59 | }; |
60 | ||
61 | #ifdef __USE_MISC | |
62 | ||
63 | # define msg_cbytes __msg_cbytes | |
64 | ||
65 | /* ipcs ctl commands */ | |
66 | # define MSG_STAT 11 | |
67 | # define MSG_INFO 12 | |
68 | ||
69 | /* buffer for msgctl calls IPC_INFO, MSG_INFO */ | |
70 | struct msginfo | |
71 | { | |
72 | int msgpool; | |
73 | int msgmap; | |
74 | int msgmax; | |
75 | int msgmnb; | |
76 | int msgmni; | |
77 | int msgssz; | |
78 | int msgtql; | |
79 | unsigned short int msgseg; | |
80 | }; | |
81 | ||
82 | #endif /* __USE_MISC */ |