| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 CHILD_MAX 999 /* no limit :-) */ |
| 9 | #define OPEN_MAX 256 /* # open files a process may have */ |
| 10 | #define LINK_MAX 127 /* # links a file may have */ |
| 11 | #define MAX_CANON 255 /* size of the canonical input queue */ |
| 12 | #define MAX_INPUT 255 /* size of the type-ahead buffer */ |
| 13 | #define NAME_MAX 255 /* # chars in a file name */ |
| 14 | #define PATH_MAX 4096 /* # chars in a path name including nul */ |
| 15 | #define PIPE_BUF 4096 /* # bytes in atomic write to a pipe */ |
| 16 | #define XATTR_NAME_MAX 255 /* # chars in an extended attribute name */ |
| 17 | #define XATTR_SIZE_MAX 65536 /* size of an extended attribute value (64k) */ |
| 18 | #define XATTR_LIST_MAX 65536 /* size of extended attribute namelist (64k) */ |
| 19 | |
| 20 | #define RTSIG_MAX 32 |
| 21 | |
| 22 | #endif |