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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */2#ifndef _UAPI_LINUX_LIMITS_H3#define _UAPI_LINUX_LIMITS_H4 5#define NR_OPEN 10246 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 3220 21#endif22