1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
6 This file is part of systemd.
8 Copyright 2010 Lennart Poettering
10 systemd is free software; you can redistribute it and/or modify it
11 under the terms of the GNU Lesser General Public License as published by
12 the Free Software Foundation; either version 2.1 of the License, or
13 (at your option) any later version.
15 systemd is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 Lesser General Public License for more details.
20 You should have received a copy of the GNU Lesser General Public License
21 along with systemd; If not, see <http://www.gnu.org/licenses/>.
24 /* Missing glibc definitions to access certain kernel APIs */
26 #include <sys/resource.h>
27 #include <sys/syscall.h>
31 #include <linux/oom.h>
40 #include <asm/sgidefs.h>
44 #define RLIMIT_RTTIME 15
47 #ifndef F_LINUX_SPECIFIC_BASE
48 #define F_LINUX_SPECIFIC_BASE 1024
52 #define F_SETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 7)
56 #define F_GETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 8)
60 #define IP_FREEBIND 15
63 #ifndef OOM_SCORE_ADJ_MIN
64 #define OOM_SCORE_ADJ_MIN (-1000)
67 #ifndef OOM_SCORE_ADJ_MAX
68 #define OOM_SCORE_ADJ_MAX 1000
71 #ifndef AUDIT_SERVICE_START
72 #define AUDIT_SERVICE_START 1130 /* Service (daemon) start */
75 #ifndef AUDIT_SERVICE_STOP
76 #define AUDIT_SERVICE_STOP 1131 /* Service (daemon) stop */
80 #define TIOCVHANGUP 0x5437
83 #ifndef IP_TRANSPARENT
84 #define IP_TRANSPARENT 19
87 #if !HAVE_DECL_PIVOT_ROOT
88 static inline int pivot_root(const char *new_root, const char *put_old) {
89 return syscall(SYS_pivot_root, new_root, put_old);
94 # ifndef __NR_fanotify_init
95 # define __NR_fanotify_init 300
97 # ifndef __NR_fanotify_mark
98 # define __NR_fanotify_mark 301
100 #elif defined _MIPS_SIM
101 # if _MIPS_SIM == _MIPS_SIM_ABI32
102 # ifndef __NR_fanotify_init
103 # define __NR_fanotify_init 4336
105 # ifndef __NR_fanotify_mark
106 # define __NR_fanotify_mark 4337
108 # elif _MIPS_SIM == _MIPS_SIM_NABI32
109 # ifndef __NR_fanotify_init
110 # define __NR_fanotify_init 6300
112 # ifndef __NR_fanotify_mark
113 # define __NR_fanotify_mark 6301
115 # elif _MIPS_SIM == _MIPS_SIM_ABI64
116 # ifndef __NR_fanotify_init
117 # define __NR_fanotify_init 5295
119 # ifndef __NR_fanotify_mark
120 # define __NR_fanotify_mark 5296
124 # ifndef __NR_fanotify_init
125 # define __NR_fanotify_init 338
127 # ifndef __NR_fanotify_mark
128 # define __NR_fanotify_mark 339
132 #ifndef HAVE_FANOTIFY_INIT
133 static inline int fanotify_init(unsigned int flags, unsigned int event_f_flags) {
134 return syscall(__NR_fanotify_init, flags, event_f_flags);
138 #ifndef HAVE_FANOTIFY_MARK
139 static inline int fanotify_mark(int fanotify_fd, unsigned int flags, uint64_t mask,
140 int dfd, const char *pathname) {
141 #if defined _MIPS_SIM && _MIPS_SIM == _MIPS_SIM_ABI32 || defined __powerpc__ && !defined __powerpc64__
148 return syscall(__NR_fanotify_mark, fanotify_fd, flags,
149 _mask._32[0], _mask._32[1], dfd, pathname);
151 return syscall(__NR_fanotify_mark, fanotify_fd, flags, mask, dfd, pathname);
156 #ifndef BTRFS_IOCTL_MAGIC
157 #define BTRFS_IOCTL_MAGIC 0x94
160 #ifndef BTRFS_PATH_NAME_MAX
161 #define BTRFS_PATH_NAME_MAX 4087
164 struct btrfs_ioctl_vol_args {
166 char name[BTRFS_PATH_NAME_MAX + 1];
169 #ifndef BTRFS_IOC_DEFRAG
170 #define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, struct btrfs_ioctl_vol_args)
173 #ifndef BTRFS_SUPER_MAGIC
174 #define BTRFS_SUPER_MAGIC 0x9123683E
182 #define MS_PRIVATE (1 << 18)
185 #if !HAVE_DECL_GETTID
186 static inline pid_t gettid(void) {
187 return (pid_t) syscall(SYS_gettid);
192 #define SCM_SECURITY 0x03
195 #ifndef MS_STRICTATIME
196 #define MS_STRICTATIME (1<<24)
204 #define MS_SHARED (1<<20)
207 #ifndef PR_SET_NO_NEW_PRIVS
208 #define PR_SET_NO_NEW_PRIVS 38
211 #ifndef PR_SET_CHILD_SUBREAPER
212 #define PR_SET_CHILD_SUBREAPER 36
215 #ifndef MAX_HANDLE_SZ
216 #define MAX_HANDLE_SZ 128
219 #if defined __x86_64__
220 # ifndef __NR_name_to_handle_at
221 # define __NR_name_to_handle_at 303
223 #elif defined __i386__
224 # ifndef __NR_name_to_handle_at
225 # define __NR_name_to_handle_at 341
227 #elif defined __arm__
228 # ifndef __NR_name_to_handle_at
229 # define __NR_name_to_handle_at 370
231 #elif defined __powerpc__
232 # ifndef __NR_name_to_handle_at
233 # define __NR_name_to_handle_at 345
236 # ifndef __NR_name_to_handle_at
237 # error __NR_name_to_handle_at is not defined
241 #if !HAVE_DECL_NAME_TO_HANDLE_AT
243 unsigned int handle_bytes;
245 unsigned char f_handle[0];
248 static inline int name_to_handle_at(int fd, const char *name, struct file_handle *handle, int *mnt_id, int flags) {
249 return syscall(__NR_name_to_handle_at, fd, name, handle, mnt_id, flags);
253 #ifndef HAVE_SECURE_GETENV
254 # ifdef HAVE___SECURE_GETENV
255 # define secure_getenv __secure_getenv
257 # error neither secure_getenv nor __secure_getenv are available
261 #ifndef CIFS_MAGIC_NUMBER
262 #define CIFS_MAGIC_NUMBER 0xFF534D42
265 #ifndef TFD_TIMER_CANCEL_ON_SET
266 #define TFD_TIMER_CANCEL_ON_SET (1 << 1)