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Diffstat (limited to 'src/shared/missing.h')
| -rw-r--r-- | src/shared/missing.h | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/src/shared/missing.h b/src/shared/missing.h new file mode 100644 index 0000000000..3777cf69b2 --- /dev/null +++ b/src/shared/missing.h @@ -0,0 +1,255 @@ +/*-*- 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 + +#ifndef CIFS_MAGIC_NUMBER +#define CIFS_MAGIC_NUMBER 0xFF534D42 +#endif |