1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 
2#ifndef _LINUX_LIMITS_H 
3#define _LINUX_LIMITS_H 
4 
5#define NR_OPEN 1024 
6 
7#define NGROUPS_MAX 65536 /* supplemental group IDs are available */ 
8#define ARG_MAX 131072 /* # bytes of args + environ for exec() */ 
9#define LINK_MAX 127 /* # links a file may have */ 
10#define MAX_CANON 255 /* size of the canonical input queue */ 
11#define MAX_INPUT 255 /* size of the type-ahead buffer */ 
12#define NAME_MAX 255 /* # chars in a file name */ 
13#define PATH_MAX 4096 /* # chars in a path name including nul */ 
14#define PIPE_BUF 4096 /* # bytes in atomic write to a pipe */ 
15#define XATTR_NAME_MAX 255 /* # chars in an extended attribute name */ 
16#define XATTR_SIZE_MAX 65536 /* size of an extended attribute value (64k) */ 
17#define XATTR_LIST_MAX 65536 /* size of extended attribute namelist (64k) */ 
18 
19#define RTSIG_MAX 32 
20 
21#endif 
22