1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _PARISC_SHMBUF_H
3 #define _PARISC_SHMBUF_H
4
5 #include <asm/bitsperlong.h>
6 #include <asm/ipcbuf.h>
7 #include <asm/posix_types.h>
8
9 /*
10 * The shmid64_ds structure for parisc architecture.
11 * Note extra padding because this structure is passed back and forth
12 * between kernel and user space.
13 *
14 * Pad space is left for:
15 * - 2 miscellaneous 32-bit values
16 */
17
18 struct shmid64_ds {
19 struct ipc64_perm shm_perm; /* operation perms */
20 #if __BITS_PER_LONG == 64
21 long shm_atime; /* last attach time */
22 long shm_dtime; /* last detach time */
23 long shm_ctime; /* last change time */
24 #else
25 unsigned long shm_atime_high;
26 unsigned long shm_atime; /* last attach time */
27 unsigned long shm_dtime_high;
28 unsigned long shm_dtime; /* last detach time */
29 unsigned long shm_ctime_high;
30 unsigned long shm_ctime; /* last change time */
31 unsigned int __pad4;
32 #endif
33 __kernel_size_t shm_segsz; /* size of segment (bytes) */
34 __kernel_pid_t shm_cpid; /* pid of creator */
35 __kernel_pid_t shm_lpid; /* pid of last operator */
36 unsigned long shm_nattch; /* no. of current attaches */
37 unsigned long __unused1;
38 unsigned long __unused2;
39 };
40
41 struct shminfo64 {
42 unsigned long shmmax;
43 unsigned long shmmin;
44 unsigned long shmmni;
45 unsigned long shmseg;
46 unsigned long shmall;
47 unsigned long __unused1;
48 unsigned long __unused2;
49 unsigned long __unused3;
50 unsigned long __unused4;
51 };
52
53 #endif /* _PARISC_SHMBUF_H */
54
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