arch/xtensa/include/asm/msgbuf.h

   1 /*
   2  * include/asm-xtensa/msgbuf.h
   3  *
   4  * The msqid64_ds structure for the Xtensa architecture.
   5  * Note extra padding because this structure is passed back and forth
   6  * between kernel and user space.
   7  *
   8  * Pad space is left for:
   9  * - 64-bit time_t to solve y2038 problem
  10  * - 2 miscellaneous 32-bit values
  11  *
  12  * This file is subject to the terms and conditions of the GNU General
  13  * Public License.  See the file "COPYING" in the main directory of
  14  * this archive for more details.
  15  */
  16
  17 #ifndef _XTENSA_MSGBUF_H
  18 #define _XTENSA_MSGBUF_H
  19
  20 struct msqid64_ds {
  21         struct ipc64_perm msg_perm;
  22 #ifdef __XTENSA_EB__
  23         unsigned int    __unused1;
  24         __kernel_time_t msg_stime;      /* last msgsnd time */
  25         unsigned int    __unused2;
  26         __kernel_time_t msg_rtime;      /* last msgrcv time */
  27         unsigned int    __unused3;
  28         __kernel_time_t msg_ctime;      /* last change time */
  29 #elif defined(__XTENSA_EL__)
  30         __kernel_time_t msg_stime;      /* last msgsnd time */
  31         unsigned int    __unused1;
  32         __kernel_time_t msg_rtime;      /* last msgrcv time */
  33         unsigned int    __unused2;
  34         __kernel_time_t msg_ctime;      /* last change time */
  35         unsigned int    __unused3;
  36 #else
  37 # error processor byte order undefined!
  38 #endif
  39         unsigned long  msg_cbytes;      /* current number of bytes on queue */
  40         unsigned long  msg_qnum;        /* number of messages in queue */
  41         unsigned long  msg_qbytes;      /* max number of bytes on queue */
  42         __kernel_pid_t msg_lspid;       /* pid of last msgsnd */
  43         __kernel_pid_t msg_lrpid;       /* last receive pid */
  44         unsigned long  __unused4;
  45         unsigned long  __unused5;
  46 };
  47
  48 #endif  /* _XTENSA_MSGBUF_H */