#ifndef _LINUX_LIMITS_H #define _LINUX_LIMITS_H #define NR_OPEN 256 #define NGROUPS_MAX 32 /* supplemental group IDs are available */ #define ARG_MAX 131072 /* # bytes of args + environ for exec() */ #define CHILD_MAX 999 /* no limit :-) */ #define OPEN_MAX 256 /* # open files a process may have */ #define LINK_MAX 127 /* # links a file may have */ #define MAX_CANON 255 /* size of the canonical input queue */ #define MAX_INPUT 255 /* size of the type-ahead buffer */ #define NAME_MAX 255 /* # chars in a file name */ #define PATH_MAX 4095 /* # chars in a path name */ #define PIPE_BUF 4096 /* # bytes in atomic write to a pipe */ #endif