1 #ifndef _LINUX_LIMITS_H
2 #define _LINUX_LIMITS_H
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) */
