xref: /openbmc/linux/include/uapi/linux/limits.h (revision 54d50897)
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI_LINUX_LIMITS_H
3 #define _UAPI_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