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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
#pragma once
/***
This file is part of systemd.
Copyright 2010 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
/* Missing glibc definitions to access certain kernel APIs */
#include <sys/resource.h>
#include <sys/syscall.h>
#include <fcntl.h>
#include <stdlib.h>
#include <unistd.h>
#include <linux/oom.h>
#ifdef HAVE_AUDIT
#include <libaudit.h>
#endif
#include "macro.h"
#ifdef ARCH_MIPS
#include <asm/sgidefs.h>
#endif
#ifndef RLIMIT_RTTIME
#define RLIMIT_RTTIME 15
#endif
#ifndef F_LINUX_SPECIFIC_BASE
#define F_LINUX_SPECIFIC_BASE 1024
#endif
#ifndef F_SETPIPE_SZ
#define F_SETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 7)
#endif
#ifndef F_GETPIPE_SZ
#define F_GETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 8)
#endif
#ifndef IP_FREEBIND
#define IP_FREEBIND 15
#endif
#ifndef OOM_SCORE_ADJ_MIN
#define OOM_SCORE_ADJ_MIN (-1000)
#endif
#ifndef OOM_SCORE_ADJ_MAX
#define OOM_SCORE_ADJ_MAX 1000
#endif
#ifndef AUDIT_SERVICE_START
#define AUDIT_SERVICE_START 1130 /* Service (daemon) start */
#endif
#ifndef AUDIT_SERVICE_STOP
#define AUDIT_SERVICE_STOP 1131 /* Service (daemon) stop */
#endif
#ifndef TIOCVHANGUP
#define TIOCVHANGUP 0x5437
#endif
#ifndef IP_TRANSPARENT
#define IP_TRANSPARENT 19
#endif
#if !HAVE_DECL_PIVOT_ROOT
static inline int pivot_root(const char *new_root, const char *put_old) {
return syscall(SYS_pivot_root, new_root, put_old);
}
#endif
#ifdef __x86_64__
# ifndef __NR_fanotify_init
# define __NR_fanotify_init 300
# endif
# ifndef __NR_fanotify_mark
# define __NR_fanotify_mark 301
# endif
#elif defined _MIPS_SIM
# if _MIPS_SIM == _MIPS_SIM_ABI32
# ifndef __NR_fanotify_init
# define __NR_fanotify_init 4336
# endif
# ifndef __NR_fanotify_mark
# define __NR_fanotify_mark 4337
# endif
# elif _MIPS_SIM == _MIPS_SIM_NABI32
# ifndef __NR_fanotify_init
# define __NR_fanotify_init 6300
# endif
# ifndef __NR_fanotify_mark
# define __NR_fanotify_mark 6301
# endif
# elif _MIPS_SIM == _MIPS_SIM_ABI64
# ifndef __NR_fanotify_init
# define __NR_fanotify_init 5295
# endif
# ifndef __NR_fanotify_mark
# define __NR_fanotify_mark 5296
# endif
# endif
#else
# ifndef __NR_fanotify_init
# define __NR_fanotify_init 338
# endif
# ifndef __NR_fanotify_mark
# define __NR_fanotify_mark 339
# endif
#endif
#ifndef HAVE_FANOTIFY_INIT
static inline int fanotify_init(unsigned int flags, unsigned int event_f_flags) {
return syscall(__NR_fanotify_init, flags, event_f_flags);
}
#endif
#ifndef HAVE_FANOTIFY_MARK
static inline int fanotify_mark(int fanotify_fd, unsigned int flags, uint64_t mask,
int dfd, const char *pathname) {
#if defined _MIPS_SIM && _MIPS_SIM == _MIPS_SIM_ABI32 || defined __powerpc__ && !defined __powerpc64__
union {
uint64_t _64;
uint32_t _32[2];
} _mask;
_mask._64 = mask;
return syscall(__NR_fanotify_mark, fanotify_fd, flags,
_mask._32[0], _mask._32[1], dfd, pathname);
#else
return syscall(__NR_fanotify_mark, fanotify_fd, flags, mask, dfd, pathname);
#endif
}
#endif
#ifndef BTRFS_IOCTL_MAGIC
#define BTRFS_IOCTL_MAGIC 0x94
#endif
#ifndef BTRFS_PATH_NAME_MAX
#define BTRFS_PATH_NAME_MAX 4087
#endif
struct btrfs_ioctl_vol_args {
int64_t fd;
char name[BTRFS_PATH_NAME_MAX + 1];
};
#ifndef BTRFS_IOC_DEFRAG
#define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, struct btrfs_ioctl_vol_args)
#endif
#ifndef BTRFS_SUPER_MAGIC
#define BTRFS_SUPER_MAGIC 0x9123683E
#endif
#ifndef MS_MOVE
#define MS_MOVE 8192
#endif
#ifndef MS_PRIVATE
#define MS_PRIVATE (1 << 18)
#endif
#if !HAVE_DECL_GETTID
static inline pid_t gettid(void) {
return (pid_t) syscall(SYS_gettid);
}
#endif
#ifndef SCM_SECURITY
#define SCM_SECURITY 0x03
#endif
#ifndef MS_STRICTATIME
#define MS_STRICTATIME (1<<24)
#endif
#ifndef PR_SET_NO_NEW_PRIVS
#define PR_SET_NO_NEW_PRIVS 38
#endif
#ifndef PR_SET_CHILD_SUBREAPER
#define PR_SET_CHILD_SUBREAPER 36
#endif
#ifndef MAX_HANDLE_SZ
#define MAX_HANDLE_SZ 128
#endif
#if defined __x86_64__
# ifndef __NR_name_to_handle_at
# define __NR_name_to_handle_at 303
# endif
#elif defined __i386__
# ifndef __NR_name_to_handle_at
# define __NR_name_to_handle_at 341
# endif
#elif defined __arm__
# ifndef __NR_name_to_handle_at
# define __NR_name_to_handle_at 370
# endif
#elif defined __powerpc__
# ifndef __NR_name_to_handle_at
# define __NR_name_to_handle_at 345
# endif
#else
# ifndef __NR_name_to_handle_at
# error __NR_name_to_handle_at is not defined
# endif
#endif
#if !HAVE_DECL_NAME_TO_HANDLE_AT
struct file_handle {
unsigned int handle_bytes;
int handle_type;
unsigned char f_handle[0];
};
static inline int name_to_handle_at(int fd, const char *name, struct file_handle *handle, int *mnt_id, int flags) {
return syscall(__NR_name_to_handle_at, fd, name, handle, mnt_id, flags);
}
#endif
#ifndef HAVE_SECURE_GETENV
# ifdef HAVE___SECURE_GETENV
# define secure_getenv __secure_getenv
# else
# error neither secure_getenv nor __secure_getenv are available
# endif
#endif
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