ports/sysdeps/unix/sysv/linux/mips/bits/msq.h

   1 /* Copyright (C) 2002-2014 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 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
  15    License along with the GNU C Library.  If not, see
  16    <http://www.gnu.org/licenses/>.  */
  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>
  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 */
  28 # define MSG_COPY       040000  /* copy (not remove) all queue messages */
  29 #endif
  30
  31 /* Types used in the structure definition.  */
  32 typedef unsigned long int msgqnum_t;
  33 typedef unsigned long int msglen_t;
  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 #if __WORDSIZE == 32 && defined (__MIPSEB__)
  42   unsigned long int __glibc_reserved1;
  43 #endif
  44   __time_t msg_stime;           /* time of last msgsnd command */
  45 #if __WORDSIZE == 32 && defined (__MIPSEL__)
  46   unsigned long int __glibc_reserved1;
  47 #endif
  48 #if __WORDSIZE == 32 && defined (__MIPSEB__)
  49   unsigned long int __glibc_reserved2;
  50 #endif
  51   __time_t msg_rtime;           /* time of last msgrcv command */
  52 #if __WORDSIZE == 32 && defined (__MIPSEL__)
  53   unsigned long int __glibc_reserved2;
  54 #endif
  55 #if __WORDSIZE == 32 && defined (__MIPSEB__)
  56   unsigned long int __glibc_reserved3;
  57 #endif
  58   __time_t msg_ctime;           /* time of last change */
  59 #if __WORDSIZE == 32 && defined (__MIPSEL__)
  60   unsigned long int __glibc_reserved3;
  61 #endif
  62   unsigned long int __msg_cbytes; /* current number of bytes on queue */
  63   msgqnum_t msg_qnum;           /* number of messages currently on queue */
  64   msglen_t msg_qbytes;          /* max number of bytes allowed on queue */
  65   __pid_t msg_lspid;            /* pid of last msgsnd() */
  66   __pid_t msg_lrpid;            /* pid of last msgrcv() */
  67   unsigned long int __glibc_reserved4;
  68   unsigned long int __glibc_reserved5;
  69 };
  70
  71 #ifdef __USE_MISC
  72
  73 # define msg_cbytes     __msg_cbytes
  74
  75 /* ipcs ctl commands */
  76 # define MSG_STAT 11
  77 # define MSG_INFO 12
  78
  79 /* buffer for msgctl calls IPC_INFO, MSG_INFO */
  80 struct msginfo
  81   {
  82     int msgpool;
  83     int msgmap;
  84     int msgmax;
  85     int msgmnb;
  86     int msgmni;
  87     int msgssz;
  88     int msgtql;
  89     unsigned short int msgseg;
  90   };
  91
  92 #endif /* __USE_MISC */