1  /* Copyright (C) 1995-2023 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     <https://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  #include <bits/ipctypes.h>
      24  
      25  /* Define options for message queue functions.  */
      26  #define MSG_NOERROR	010000	/* no error if message is too big */
      27  #ifdef __USE_GNU
      28  # define MSG_EXCEPT	020000	/* recv any msg except of specified type */
      29  #endif
      30  
      31  /* Types used in the structure definition.  */
      32  typedef unsigned short int msgqnum_t;
      33  typedef unsigned short int msglen_t;
      34  
      35  #include <bits/types/struct_msqid_ds.h>
      36  
      37  #ifdef __USE_MISC
      38  
      39  # define msg_cbytes	__msg_cbytes
      40  
      41  /* ipcs ctl commands */
      42  # define MSG_STAT 11
      43  # define MSG_INFO 12
      44  
      45  /* buffer for msgctl calls IPC_INFO, MSG_INFO */
      46  struct msginfo
      47    {
      48      int msgpool;
      49      int msgmap;
      50      int msgmax;
      51      int msgmnb;
      52      int msgmni;
      53      int msgssz;
      54      int msgtql;
      55      unsigned short int msgseg;
      56    };
      57  
      58  #endif /* __USE_MISC */