projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| f7a9f785 | 1 | /* Copyright (C) 2000-2016 Free Software Foundation, Inc. |
| d5efd131 MF |
2 | This file is part of the GNU C Library. |
| 3 | Contribute by David Mosberger-Tang <davidm@hpl.hp.com> | |
| 4 | ||
| 5 | The GNU C Library is free software; you can redistribute it and/or | |
| 6 | modify it under the terms of the GNU Lesser General Public | |
| 7 | License as published by the Free Software Foundation; either | |
| 8 | version 2.1 of the License, or (at your option) any later version. | |
| 9 | ||
| 10 | The GNU C Library is distributed in the hope that it will be useful, | |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 | Lesser General Public License for more details. | |
| 14 | ||
| 15 | You should have received a copy of the GNU Lesser General Public | |
| 75efb018 MF |
16 | License along with the GNU C Library; if not, see |
| 17 | <http://www.gnu.org/licenses/>. */ | |
| d5efd131 MF |
18 | |
| 19 | #ifndef _SYS_MSG_H | |
| 20 | #error "Never use <bits/msq.h> directly; include <sys/msg.h> instead." | |
| 21 | #endif | |
| 22 | ||
| 9c9184b4 | 23 | #include <bits/types.h> |
| d5efd131 MF |
24 | |
| 25 | /* Define options for message queue functions. */ | |
| 26 | #define MSG_NOERROR 010000 /* no error if message is too big */ | |
| 67525cb8 AJ |
27 | #ifdef __USE_GNU |
| 28 | # define MSG_EXCEPT 020000 /* recv any msg except of specified type */ | |
| 29 | # define MSG_COPY 040000 /* copy (not remove) all queue messages */ | |
| 30 | #endif | |
| d5efd131 | 31 | |
| 9c9184b4 MF |
32 | /* Types used in the structure definition. */ |
| 33 | typedef unsigned long int msgqnum_t; | |
| 34 | typedef unsigned long int msglen_t; | |
| 35 | ||
| 36 | ||
| d5efd131 | 37 | /* Structure of record for one message inside the kernel. |
| 9c9184b4 | 38 | The type `struct msg' is opaque. */ |
| d5efd131 MF |
39 | struct msqid_ds |
| 40 | { | |
| 41 | struct ipc_perm msg_perm; /* structure describing operation permission */ | |
| 42 | __time_t msg_stime; /* time of last msgsnd command */ | |
| 43 | __time_t msg_rtime; /* time of last msgrcv command */ | |
| 44 | __time_t msg_ctime; /* time of last change */ | |
| 45 | unsigned long int __msg_cbytes; /* current number of bytes on queue */ | |
| 9c9184b4 MF |
46 | msgqnum_t msg_qnum; /* number of messages currently on queue */ |
| 47 | msglen_t msg_qbytes; /* max number of bytes allowed on queue */ | |
| d5efd131 MF |
48 | __pid_t msg_lspid; /* pid of last msgsnd() */ |
| 49 | __pid_t msg_lrpid; /* pid of last msgrcv() */ | |
| d1d9eaf4 OB |
50 | unsigned long int __glibc_reserved1; |
| 51 | unsigned long int __glibc_reserved2; | |
| d5efd131 MF |
52 | }; |
| 53 | ||
| 54 | #ifdef __USE_MISC | |
| 55 | ||
| 56 | # define msg_cbytes __msg_cbytes | |
| 57 | ||
| 58 | /* ipcs ctl commands */ | |
| 59 | # define MSG_STAT 11 | |
| 60 | # define MSG_INFO 12 | |
| 61 | ||
| 62 | /* buffer for msgctl calls IPC_INFO, MSG_INFO */ | |
| 63 | struct msginfo | |
| 64 | { | |
| 65 | int msgpool; | |
| 66 | int msgmap; | |
| 67 | int msgmax; | |
| 68 | int msgmnb; | |
| 69 | int msgmni; | |
| 70 | int msgssz; | |
| 71 | int msgtql; | |
| 72 | unsigned short int msgseg; | |
| 73 | }; | |
| 74 | ||
| 75 | #endif /* __USE_MISC */ |