projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| ffeac417 UD |
1 | /* Copyright (C) 2001 Free Software Foundation, Inc. |
| 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 Library General Public License as | |
| 6 | published by the Free Software Foundation; either version 2 of the | |
| 7 | 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 | Library General Public License for more details. | |
| 13 | ||
| 14 | You should have received a copy of the GNU Library General Public | |
| 15 | License along with the GNU C Library; see the file COPYING.LIB. If not, | |
| 16 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 17 | Boston, MA 02111-1307, USA. */ | |
| 18 | ||
| 19 | #ifndef _SYS_MSG_H | |
| 20 | #error "Never use <bits/msq.h> directly; include <sys/msg.h> instead." | |
| 21 | #endif | |
| 22 | ||
| 23 | #include <sys/types.h> | |
| 24 | ||
| 25 | /* Define options for message queue functions. */ | |
| 26 | #define MSG_NOERROR 010000 /* no error if message is too big */ | |
| 27 | #define MSG_EXCEPT 020000 /* recv any msg except of specified type */ | |
| 28 | ||
| 29 | ||
| 30 | /* Structure of record for one message inside the kernel. | |
| 31 | The type `struct __msg' is opaque. */ | |
| 32 | struct msqid_ds | |
| 33 | { | |
| 34 | struct ipc_perm msg_perm; /* structure describing operation permission */ | |
| 35 | __time_t msg_stime; /* time of last msgsnd command */ | |
| 36 | __time_t msg_rtime; /* time of last msgrcv command */ | |
| 37 | __time_t msg_ctime; /* time of last change */ | |
| 38 | unsigned long int __msg_cbytes; /* current number of bytes on queue */ | |
| 39 | unsigned long int msg_qnum; /* number of messages currently on queue */ | |
| 40 | unsigned long int msg_qbytes; /* max number of bytes allowed on queue */ | |
| 41 | __pid_t msg_lspid; /* pid of last msgsnd() */ | |
| 42 | __pid_t msg_lrpid; /* pid of last msgrcv() */ | |
| 43 | unsigned long int __unused1; | |
| 44 | unsigned long int __unused2; | |
| 45 | }; | |
| 46 | ||
| 47 | #ifdef __USE_MISC | |
| 48 | ||
| 49 | # define msg_cbytes __msg_cbytes | |
| 50 | ||
| 51 | /* ipcs ctl commands */ | |
| 52 | # define MSG_STAT 11 | |
| 53 | # define MSG_INFO 12 | |
| 54 | ||
| 55 | /* buffer for msgctl calls IPC_INFO, MSG_INFO */ | |
| 56 | struct msginfo | |
| 57 | { | |
| 58 | int msgpool; | |
| 59 | int msgmap; | |
| 60 | int msgmax; | |
| 61 | int msgmnb; | |
| 62 | int msgmni; | |
| 63 | int msgssz; | |
| 64 | int msgtql; | |
| 65 | unsigned short int msgseg; | |
| 66 | }; | |
| 67 | ||
| 68 | #endif /* __USE_MISC */ |