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6f52b16c | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
54d50897 MY |
2 | #ifndef _UAPI_LINUX_LIMITS_H |
3 | #define _UAPI_LINUX_LIMITS_H | |
1da177e4 LT |
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() */ | |
1da177e4 LT |
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 |