260 lines
5.9 KiB
C
260 lines
5.9 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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#pragma once
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/***
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This file is part of systemd.
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Copyright 2010 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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/* Missing glibc definitions to access certain kernel APIs */
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#include <sys/resource.h>
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#include <sys/syscall.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <linux/oom.h>
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#ifdef HAVE_AUDIT
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#include <libaudit.h>
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#endif
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#include "macro.h"
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#ifdef ARCH_MIPS
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#include <asm/sgidefs.h>
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#endif
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#ifndef RLIMIT_RTTIME
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#define RLIMIT_RTTIME 15
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#endif
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#ifndef F_LINUX_SPECIFIC_BASE
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#define F_LINUX_SPECIFIC_BASE 1024
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#endif
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#ifndef F_SETPIPE_SZ
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#define F_SETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 7)
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#endif
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#ifndef F_GETPIPE_SZ
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#define F_GETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 8)
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#endif
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#ifndef IP_FREEBIND
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#define IP_FREEBIND 15
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#endif
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#ifndef OOM_SCORE_ADJ_MIN
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#define OOM_SCORE_ADJ_MIN (-1000)
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#endif
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#ifndef OOM_SCORE_ADJ_MAX
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#define OOM_SCORE_ADJ_MAX 1000
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#endif
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#ifndef AUDIT_SERVICE_START
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#define AUDIT_SERVICE_START 1130 /* Service (daemon) start */
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#endif
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#ifndef AUDIT_SERVICE_STOP
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#define AUDIT_SERVICE_STOP 1131 /* Service (daemon) stop */
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#endif
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#ifndef TIOCVHANGUP
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#define TIOCVHANGUP 0x5437
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#endif
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#ifndef IP_TRANSPARENT
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#define IP_TRANSPARENT 19
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#endif
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#if !HAVE_DECL_PIVOT_ROOT
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static inline int pivot_root(const char *new_root, const char *put_old) {
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return syscall(SYS_pivot_root, new_root, put_old);
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}
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#endif
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#ifdef __x86_64__
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# ifndef __NR_fanotify_init
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# define __NR_fanotify_init 300
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# endif
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# ifndef __NR_fanotify_mark
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# define __NR_fanotify_mark 301
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# endif
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#elif defined _MIPS_SIM
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# if _MIPS_SIM == _MIPS_SIM_ABI32
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# ifndef __NR_fanotify_init
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# define __NR_fanotify_init 4336
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# endif
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# ifndef __NR_fanotify_mark
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# define __NR_fanotify_mark 4337
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# endif
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# elif _MIPS_SIM == _MIPS_SIM_NABI32
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# ifndef __NR_fanotify_init
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# define __NR_fanotify_init 6300
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# endif
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# ifndef __NR_fanotify_mark
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# define __NR_fanotify_mark 6301
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# endif
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# elif _MIPS_SIM == _MIPS_SIM_ABI64
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# ifndef __NR_fanotify_init
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# define __NR_fanotify_init 5295
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# endif
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# ifndef __NR_fanotify_mark
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# define __NR_fanotify_mark 5296
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# endif
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# endif
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#else
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# ifndef __NR_fanotify_init
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# define __NR_fanotify_init 338
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# endif
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# ifndef __NR_fanotify_mark
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# define __NR_fanotify_mark 339
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# endif
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#endif
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#ifndef HAVE_FANOTIFY_INIT
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static inline int fanotify_init(unsigned int flags, unsigned int event_f_flags) {
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return syscall(__NR_fanotify_init, flags, event_f_flags);
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}
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#endif
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#ifndef HAVE_FANOTIFY_MARK
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static inline int fanotify_mark(int fanotify_fd, unsigned int flags, uint64_t mask,
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int dfd, const char *pathname) {
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#if defined _MIPS_SIM && _MIPS_SIM == _MIPS_SIM_ABI32 || defined __powerpc__ && !defined __powerpc64__
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union {
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uint64_t _64;
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uint32_t _32[2];
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} _mask;
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_mask._64 = mask;
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return syscall(__NR_fanotify_mark, fanotify_fd, flags,
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_mask._32[0], _mask._32[1], dfd, pathname);
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#else
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return syscall(__NR_fanotify_mark, fanotify_fd, flags, mask, dfd, pathname);
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#endif
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}
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#endif
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#ifndef BTRFS_IOCTL_MAGIC
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#define BTRFS_IOCTL_MAGIC 0x94
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#endif
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#ifndef BTRFS_PATH_NAME_MAX
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#define BTRFS_PATH_NAME_MAX 4087
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#endif
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struct btrfs_ioctl_vol_args {
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int64_t fd;
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char name[BTRFS_PATH_NAME_MAX + 1];
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};
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#ifndef BTRFS_IOC_DEFRAG
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#define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, struct btrfs_ioctl_vol_args)
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#endif
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#ifndef BTRFS_SUPER_MAGIC
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#define BTRFS_SUPER_MAGIC 0x9123683E
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#endif
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#ifndef MS_MOVE
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#define MS_MOVE 8192
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#endif
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#ifndef MS_PRIVATE
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#define MS_PRIVATE (1 << 18)
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#endif
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#if !HAVE_DECL_GETTID
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static inline pid_t gettid(void) {
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return (pid_t) syscall(SYS_gettid);
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}
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#endif
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#ifndef SCM_SECURITY
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#define SCM_SECURITY 0x03
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#endif
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#ifndef MS_STRICTATIME
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#define MS_STRICTATIME (1<<24)
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#endif
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#ifndef PR_SET_NO_NEW_PRIVS
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#define PR_SET_NO_NEW_PRIVS 38
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#endif
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#ifndef PR_SET_CHILD_SUBREAPER
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#define PR_SET_CHILD_SUBREAPER 36
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#endif
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#ifndef MAX_HANDLE_SZ
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#define MAX_HANDLE_SZ 128
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#endif
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#if defined __x86_64__
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# ifndef __NR_name_to_handle_at
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# define __NR_name_to_handle_at 303
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# endif
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#elif defined __i386__
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# ifndef __NR_name_to_handle_at
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# define __NR_name_to_handle_at 341
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# endif
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#elif defined __arm__
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# ifndef __NR_name_to_handle_at
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# define __NR_name_to_handle_at 370
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# endif
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#elif defined __powerpc__
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# ifndef __NR_name_to_handle_at
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# define __NR_name_to_handle_at 345
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# endif
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#else
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# ifndef __NR_name_to_handle_at
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# error __NR_name_to_handle_at is not defined
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# endif
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#endif
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#if !HAVE_DECL_NAME_TO_HANDLE_AT
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struct file_handle {
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unsigned int handle_bytes;
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int handle_type;
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unsigned char f_handle[0];
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};
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static inline int name_to_handle_at(int fd, const char *name, struct file_handle *handle, int *mnt_id, int flags) {
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return syscall(__NR_name_to_handle_at, fd, name, handle, mnt_id, flags);
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}
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#endif
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#ifndef HAVE_SECURE_GETENV
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# ifdef HAVE___SECURE_GETENV
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# define secure_getenv __secure_getenv
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# else
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# error neither secure_getenv nor __secure_getenv are available
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# endif
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#endif
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#ifndef CIFS_MAGIC_NUMBER
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#define CIFS_MAGIC_NUMBER 0xFF534D42
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#endif
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#ifndef TFD_TIMER_CANCEL_ON_SET
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#define TFD_TIMER_CANCEL_ON_SET (1 << 1)
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#endif
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