ladybird/Kernel/API/POSIX/unistd.h
Andrew Kaster b4a7d148b1 Kernel: Expose maximum argument limit in sysconf
Move the definitions for maximum argument and environment size to
Process.h from execve.cpp. This allows sysconf(_SC_ARG_MAX) to return
the actual argument maximum of 128 KiB to userspace.
2022-02-13 22:06:54 +02:00

61 lines
1.3 KiB
C

/*
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <Kernel/API/POSIX/sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
#define STDIN_FILENO 0
#define STDOUT_FILENO 1
#define STDERR_FILENO 2
#define R_OK 4
#define W_OK 2
#define X_OK 1
#define F_OK 0
#define MS_NODEV (1 << 0)
#define MS_NOEXEC (1 << 1)
#define MS_NOSUID (1 << 2)
#define MS_BIND (1 << 3)
#define MS_RDONLY (1 << 4)
#define MS_REMOUNT (1 << 5)
enum {
_SC_MONOTONIC_CLOCK,
_SC_NPROCESSORS_CONF,
_SC_NPROCESSORS_ONLN,
_SC_OPEN_MAX,
_SC_HOST_NAME_MAX,
_SC_TTY_NAME_MAX,
_SC_PAGESIZE,
_SC_GETPW_R_SIZE_MAX,
_SC_CLK_TCK,
_SC_SYMLOOP_MAX,
_SC_MAPPED_FILES,
_SC_ARG_MAX,
};
#define _SC_MONOTONIC_CLOCK _SC_MONOTONIC_CLOCK
#define _SC_NPROCESSORS_CONF _SC_NPROCESSORS_CONF
#define _SC_NPROCESSORS_ONLN _SC_NPROCESSORS_ONLN
#define _SC_OPEN_MAX _SC_OPEN_MAX
#define _SC_PAGESIZE _SC_PAGESIZE
#define _SC_HOST_NAME_MAX _SC_HOST_NAME_MAX
#define _SC_TTY_NAME_MAX _SC_TTY_NAME_MAX
#define _SC_GETPW_R_SIZE_MAX _SC_GETPW_R_SIZE_MAX
#define _SC_CLK_TCK _SC_CLK_TCK
#define _SC_SYMLOOP_MAX _SC_SYMLOOP_MAX
#define _SC_MAPPED_FILES _SC_MAPPED_FILES
#define _SC_ARG_MAX _SC_ARG_MAX
#ifdef __cplusplus
}
#endif