projects / thirdparty / glibc.git / blame
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| d4697bc9 | 1 | /* Copyright (C) 1995-2014 Free Software Foundation, Inc. |
| 05bd55b9 UD |
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 | |
| 3214b89b AJ |
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. | |
| 05bd55b9 UD |
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 | |
| 3214b89b | 12 | Lesser General Public License for more details. |
| 05bd55b9 | 13 | |
| 3214b89b | 14 | You should have received a copy of the GNU Lesser General Public |
| ab84e3ff PE |
15 | License along with the GNU C Library. If not, see |
| 16 | <http://www.gnu.org/licenses/>. */ | |
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17 | |
| 18 | #ifndef _SYS_MSG_H | |
| 19 | # error "Never use <bits/msq.h> directly; include <sys/msg.h> instead." | |
| 20 | #endif | |
| 21 | ||
| 40d43549 | 22 | #include <bits/types.h> |
| 05bd55b9 UD |
23 | |
| 24 | /* Define options for message queue functions. */ | |
| 25 | #define MSG_NOERROR 010000 /* no error if message is too big */ | |
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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 */ |
| 40d43549 UD |
29 | #endif |
| 30 | ||
| 31 | /* Types used in the structure definition. */ | |
| 32 | typedef unsigned long int msgqnum_t; | |
| 33 | typedef unsigned long int msglen_t; | |
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34 | |
| 35 | ||
| 36 | /* Structure of record for one message inside the kernel. | |
| 37 | The type `struct msg' is opaque. */ | |
| 38 | struct msqid_ds | |
| 39 | { | |
| 40 | struct ipc_perm msg_perm; /* structure describing operation permission */ | |
| 41 | __time_t msg_stime; /* time of last msgsnd command */ | |
| 42 | __time_t msg_rtime; /* time of last msgrcv command */ | |
| 43 | __time_t msg_ctime; /* time of last change */ | |
| 44 | unsigned long int __msg_cbytes; /* current number of bytes on queue */ | |
| 40d43549 UD |
45 | msgqnum_t msg_qnum; /* number of messages currently on queue */ |
| 46 | msglen_t msg_qbytes; /* max number of bytes allowed on queue */ | |
| 5e516adf UD |
47 | __pid_t msg_lspid; /* pid of last msgsnd() */ |
| 48 | __pid_t msg_lrpid; /* pid of last msgrcv() */ | |
| d1d9eaf4 OB |
49 | unsigned long int __glibc_reserved1; |
| 50 | unsigned long int __glibc_reserved2; | |
| 05bd55b9 UD |
51 | }; |
| 52 | ||
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53 | #ifdef __USE_MISC |
| 54 | ||
| 55 | # define msg_cbytes __msg_cbytes | |
| 56 | ||
| 57 | /* ipcs ctl commands */ | |
| 58 | # define MSG_STAT 11 | |
| 59 | # define MSG_INFO 12 | |
| 60 | ||
| 61 | /* buffer for msgctl calls IPC_INFO, MSG_INFO */ | |
| 62 | struct msginfo | |
| 63 | { | |
| 64 | int msgpool; | |
| 65 | int msgmap; | |
| 66 | int msgmax; | |
| 67 | int msgmnb; | |
| 68 | int msgmni; | |
| 69 | int msgssz; | |
| 70 | int msgtql; | |
| 71 | unsigned short int msgseg; | |
| 72 | }; | |
| 73 | ||
| 74 | #endif /* __USE_MISC */ |