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