File: /usr/include/linux/limits.h

1     #ifndef _LINUX_LIMITS_H
2     #define _LINUX_LIMITS_H
3     
4     #define NR_OPEN	        1024
5     
6     #define NGROUPS_MAX       32	/* 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        4095	/* # chars in a path name */
15     #define PIPE_BUF        4096	/* # bytes in atomic write to a pipe */
16     
17     #define RTSIG_MAX	  32
18     
19     #endif
20