projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| bfff8b1b | 1 | /* Copyright (C) 2011-2017 Free Software Foundation, Inc. |
| 4a93ed42 CM |
2 | This file is part of the GNU C Library. |
| 3 | Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. | |
| 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 | |
| ab84e3ff PE |
16 | License along with the GNU C Library. If not, see |
| 17 | <http://www.gnu.org/licenses/>. */ | |
| 4a93ed42 CM |
18 | |
| 19 | #ifndef _SYS_MSG_H | |
| 20 | # error "Never use <bits/msq.h> directly; include <sys/msg.h> instead." | |
| 21 | #endif | |
| 22 | ||
| 23 | #include <bits/types.h> | |
| 24 | #include <bits/wordsize.h> | |
| 25 | ||
| 26 | /* Define options for message queue functions. */ | |
| 27 | #define MSG_NOERROR 010000 /* no error if message is too big */ | |
| 28 | #ifdef __USE_GNU | |
| 29 | # define MSG_EXCEPT 020000 /* recv any msg except of specified type */ | |
| 67525cb8 | 30 | # define MSG_COPY 040000 /* copy (not remove) all queue messages */ |
| 4a93ed42 CM |
31 | #endif |
| 32 | ||
| 33 | /* Types used in the structure definition. */ | |
| 34 | typedef unsigned long int msgqnum_t; | |
| 35 | typedef unsigned long int msglen_t; | |
| 36 | ||
| 37 | /* Structure of record for one message inside the kernel. | |
| 38 | The type `struct msg' is opaque. */ | |
| 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 | #if __WORDSIZE == 32 | |
| d1d9eaf4 | 44 | unsigned long int __glibc_reserved1; |
| 4a93ed42 CM |
45 | #endif |
| 46 | __time_t msg_rtime; /* time of last msgrcv command */ | |
| 47 | #if __WORDSIZE == 32 | |
| d1d9eaf4 | 48 | unsigned long int __glibc_reserved2; |
| 4a93ed42 CM |
49 | #endif |
| 50 | __time_t msg_ctime; /* time of last change */ | |
| 51 | #if __WORDSIZE == 32 | |
| d1d9eaf4 | 52 | unsigned long int __glibc_reserved3; |
| 4a93ed42 CM |
53 | #endif |
| 54 | unsigned long int __msg_cbytes; /* current number of bytes on queue */ | |
| 55 | msgqnum_t msg_qnum; /* number of messages currently on queue */ | |
| 56 | msglen_t msg_qbytes; /* max number of bytes allowed on queue */ | |
| 57 | __pid_t msg_lspid; /* pid of last msgsnd() */ | |
| 58 | __pid_t msg_lrpid; /* pid of last msgrcv() */ | |
| d1d9eaf4 OB |
59 | unsigned long int __glibc_reserved4; |
| 60 | unsigned long int __glibc_reserved5; | |
| 4a93ed42 CM |
61 | }; |
| 62 | ||
| 63 | #ifdef __USE_MISC | |
| 64 | ||
| 65 | # define msg_cbytes __msg_cbytes | |
| 66 | ||
| 67 | /* ipcs ctl commands */ | |
| 68 | # define MSG_STAT 11 | |
| 69 | # define MSG_INFO 12 | |
| 70 | ||
| 71 | /* buffer for msgctl calls IPC_INFO, MSG_INFO */ | |
| 72 | struct msginfo | |
| 73 | { | |
| 74 | int msgpool; | |
| 75 | int msgmap; | |
| 76 | int msgmax; | |
| 77 | int msgmnb; | |
| 78 | int msgmni; | |
| 79 | int msgssz; | |
| 80 | int msgtql; | |
| 81 | unsigned short int msgseg; | |
| 82 | }; | |
| 83 | ||
| 84 | #endif /* __USE_MISC */ |