This file is indexed.

/usr/include/x86_64-linux-gnu/asm/shmbuf.h is in linux-libc-dev 4.9.144-3.1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef __ASM_X86_SHMBUF_H
#define __ASM_X86_SHMBUF_H

#if !defined(__x86_64__) || !defined(__ILP32__)
#include <asm-generic/shmbuf.h>
#else
/*
 * The shmid64_ds structure for x86 architecture with x32 ABI.
 *
 * On x86-32 and x86-64 we can just use the generic definition, but
 * x32 uses the same binary layout as x86_64, which is differnet
 * from other 32-bit architectures.
 */

struct shmid64_ds {
	struct ipc64_perm	shm_perm;	/* operation perms */
	size_t			shm_segsz;	/* size of segment (bytes) */
	__kernel_time_t		shm_atime;	/* last attach time */
	__kernel_time_t		shm_dtime;	/* last detach time */
	__kernel_time_t		shm_ctime;	/* last change time */
	__kernel_pid_t		shm_cpid;	/* pid of creator */
	__kernel_pid_t		shm_lpid;	/* pid of last operator */
	__kernel_ulong_t	shm_nattch;	/* no. of current attaches */
	__kernel_ulong_t	__unused4;
	__kernel_ulong_t	__unused5;
};

struct shminfo64 {
	__kernel_ulong_t	shmmax;
	__kernel_ulong_t	shmmin;
	__kernel_ulong_t	shmmni;
	__kernel_ulong_t	shmseg;
	__kernel_ulong_t	shmall;
	__kernel_ulong_t	__unused1;
	__kernel_ulong_t	__unused2;
	__kernel_ulong_t	__unused3;
	__kernel_ulong_t	__unused4;
};

#endif

#endif /* __ASM_X86_SHMBUF_H */