arch/parisc/include/uapi/asm/msgbuf.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef _PARISC_MSGBUF_H
   3 #define _PARISC_MSGBUF_H
   4
   5 #include <asm/bitsperlong.h>
   6 #include <asm/ipcbuf.h>
   7
   8 /*
   9  * The msqid64_ds structure for parisc architecture, copied from sparc.
  10  * Note extra padding because this structure is passed back and forth
  11  * between kernel and user space.
  12  *
  13  * Pad space is left for:
  14  * - 2 miscellaneous 32-bit values
  15  */
  16
  17 struct msqid64_ds {
  18         struct ipc64_perm msg_perm;
  19 #if __BITS_PER_LONG == 64
  20         long             msg_stime;     /* last msgsnd time */
  21         long             msg_rtime;     /* last msgrcv time */
  22         long             msg_ctime;     /* last change time */
  23 #else
  24         unsigned long   msg_stime_high;
  25         unsigned long   msg_stime;      /* last msgsnd time */
  26         unsigned long   msg_rtime_high;
  27         unsigned long   msg_rtime;      /* last msgrcv time */
  28         unsigned long   msg_ctime_high;
  29         unsigned long   msg_ctime;      /* last change time */
  30 #endif
  31         unsigned long   msg_cbytes;     /* current number of bytes on queue */
  32         unsigned long   msg_qnum;       /* number of messages in queue */
  33         unsigned long   msg_qbytes;     /* max number of bytes on queue */
  34         __kernel_pid_t  msg_lspid;      /* pid of last msgsnd */
  35         __kernel_pid_t  msg_lrpid;      /* last receive pid */
  36         unsigned long   __unused1;
  37         unsigned long   __unused2;
  38 };
  39
  40 #endif /* _PARISC_MSGBUF_H */