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03467c88 | 1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
15ae422b | 2 | |
c2f1db8f | 3 | #pragma once |
b9f880f4 | 4 | |
15ae422b LP |
5 | /*** |
6 | This file is part of systemd. | |
7 | ||
8 | Copyright 2010 Lennart Poettering | |
9 | ||
10 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
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 | |
15ae422b LP |
13 | (at your option) any later version. |
14 | ||
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 | |
5430f7f2 | 18 | Lesser General Public License for more details. |
15ae422b | 19 | |
5430f7f2 | 20 | You should have received a copy of the GNU Lesser General Public License |
15ae422b LP |
21 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
22 | ***/ | |
23 | ||
b9f880f4 LP |
24 | /* Missing glibc definitions to access certain kernel APIs */ |
25 | ||
26 | #include <sys/resource.h> | |
15ae422b | 27 | #include <sys/syscall.h> |
16c42ce1 | 28 | #include <fcntl.h> |
4db17f29 | 29 | #include <stdlib.h> |
82c121a4 | 30 | #include <unistd.h> |
dd6c17b1 LP |
31 | #include <linux/oom.h> |
32 | ||
33 | #ifdef HAVE_AUDIT | |
34 | #include <libaudit.h> | |
35 | #endif | |
b9f880f4 | 36 | |
ad780f19 LP |
37 | #include "macro.h" |
38 | ||
d59d0a2b | 39 | #ifdef ARCH_MIPS |
40 | #include <asm/sgidefs.h> | |
41 | #endif | |
42 | ||
b9f880f4 LP |
43 | #ifndef RLIMIT_RTTIME |
44 | #define RLIMIT_RTTIME 15 | |
45 | #endif | |
46 | ||
4fd5948e LP |
47 | #ifndef F_LINUX_SPECIFIC_BASE |
48 | #define F_LINUX_SPECIFIC_BASE 1024 | |
49 | #endif | |
50 | ||
51 | #ifndef F_SETPIPE_SZ | |
52 | #define F_SETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 7) | |
53 | #endif | |
54 | ||
55 | #ifndef F_GETPIPE_SZ | |
56 | #define F_GETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 8) | |
57 | #endif | |
58 | ||
16c42ce1 KS |
59 | #ifndef IP_FREEBIND |
60 | #define IP_FREEBIND 15 | |
61 | #endif | |
62 | ||
dd6c17b1 LP |
63 | #ifndef OOM_SCORE_ADJ_MIN |
64 | #define OOM_SCORE_ADJ_MIN (-1000) | |
65 | #endif | |
66 | ||
67 | #ifndef OOM_SCORE_ADJ_MAX | |
68 | #define OOM_SCORE_ADJ_MAX 1000 | |
69 | #endif | |
15ae422b | 70 | |
4927fcae | 71 | #ifndef AUDIT_SERVICE_START |
dd6c17b1 | 72 | #define AUDIT_SERVICE_START 1130 /* Service (daemon) start */ |
4927fcae LP |
73 | #endif |
74 | ||
75 | #ifndef AUDIT_SERVICE_STOP | |
dd6c17b1 | 76 | #define AUDIT_SERVICE_STOP 1131 /* Service (daemon) stop */ |
4927fcae LP |
77 | #endif |
78 | ||
6ea832a2 LP |
79 | #ifndef TIOCVHANGUP |
80 | #define TIOCVHANGUP 0x5437 | |
81 | #endif | |
82 | ||
b90865ba KS |
83 | #ifndef IP_TRANSPARENT |
84 | #define IP_TRANSPARENT 19 | |
85 | #endif | |
86 | ||
a8348796 | 87 | #if !HAVE_DECL_PIVOT_ROOT |
dd6c17b1 LP |
88 | static inline int pivot_root(const char *new_root, const char *put_old) { |
89 | return syscall(SYS_pivot_root, new_root, put_old); | |
90 | } | |
a8348796 | 91 | #endif |
dd6c17b1 | 92 | |
22be093f | 93 | #ifdef __x86_64__ |
d59d0a2b | 94 | # ifndef __NR_fanotify_init |
95 | # define __NR_fanotify_init 300 | |
96 | # endif | |
97 | # ifndef __NR_fanotify_mark | |
98 | # define __NR_fanotify_mark 301 | |
99 | # endif | |
100 | #elif defined _MIPS_SIM | |
101 | # if _MIPS_SIM == _MIPS_SIM_ABI32 | |
102 | # ifndef __NR_fanotify_init | |
103 | # define __NR_fanotify_init 4336 | |
104 | # endif | |
105 | # ifndef __NR_fanotify_mark | |
106 | # define __NR_fanotify_mark 4337 | |
107 | # endif | |
108 | # elif _MIPS_SIM == _MIPS_SIM_NABI32 | |
109 | # ifndef __NR_fanotify_init | |
110 | # define __NR_fanotify_init 6300 | |
111 | # endif | |
112 | # ifndef __NR_fanotify_mark | |
113 | # define __NR_fanotify_mark 6301 | |
114 | # endif | |
115 | # elif _MIPS_SIM == _MIPS_SIM_ABI64 | |
116 | # ifndef __NR_fanotify_init | |
117 | # define __NR_fanotify_init 5295 | |
118 | # endif | |
119 | # ifndef __NR_fanotify_mark | |
120 | # define __NR_fanotify_mark 5296 | |
121 | # endif | |
122 | # endif | |
22be093f | 123 | #else |
d59d0a2b | 124 | # ifndef __NR_fanotify_init |
125 | # define __NR_fanotify_init 338 | |
126 | # endif | |
127 | # ifndef __NR_fanotify_mark | |
128 | # define __NR_fanotify_mark 339 | |
129 | # endif | |
22be093f LP |
130 | #endif |
131 | ||
a8348796 | 132 | #ifndef HAVE_FANOTIFY_INIT |
22be093f | 133 | static inline int fanotify_init(unsigned int flags, unsigned int event_f_flags) { |
05115020 | 134 | return syscall(__NR_fanotify_init, flags, event_f_flags); |
22be093f | 135 | } |
a8348796 | 136 | #endif |
22be093f | 137 | |
a8348796 | 138 | #ifndef HAVE_FANOTIFY_MARK |
05115020 | 139 | static inline int fanotify_mark(int fanotify_fd, unsigned int flags, uint64_t mask, |
22be093f | 140 | int dfd, const char *pathname) { |
28f30cf2 | 141 | #if defined _MIPS_SIM && _MIPS_SIM == _MIPS_SIM_ABI32 || defined __powerpc__ && !defined __powerpc64__ \ |
e9c1ea9d | 142 | || defined __arm__ && !defined __aarch64__ |
373c23b2 | 143 | union { |
144 | uint64_t _64; | |
145 | uint32_t _32[2]; | |
146 | } _mask; | |
147 | _mask._64 = mask; | |
148 | ||
149 | return syscall(__NR_fanotify_mark, fanotify_fd, flags, | |
150 | _mask._32[0], _mask._32[1], dfd, pathname); | |
151 | #else | |
05115020 | 152 | return syscall(__NR_fanotify_mark, fanotify_fd, flags, mask, dfd, pathname); |
373c23b2 | 153 | #endif |
22be093f | 154 | } |
a8348796 | 155 | #endif |
22be093f | 156 | |
4b357e15 MM |
157 | #ifndef BTRFS_IOCTL_MAGIC |
158 | #define BTRFS_IOCTL_MAGIC 0x94 | |
159 | #endif | |
160 | ||
161 | #ifndef BTRFS_PATH_NAME_MAX | |
162 | #define BTRFS_PATH_NAME_MAX 4087 | |
163 | #endif | |
164 | ||
165 | #ifndef BTRFS_DEVICE_PATH_NAME_MAX | |
166 | #define BTRFS_DEVICE_PATH_NAME_MAX 1024 | |
167 | #endif | |
168 | ||
169 | #ifndef BTRFS_FSID_SIZE | |
170 | #define BTRFS_FSID_SIZE 16 | |
171 | #endif | |
172 | ||
173 | #ifndef BTRFS_UUID_SIZE | |
174 | #define BTRFS_UUID_SIZE 16 | |
175 | #endif | |
176 | ||
177 | #ifndef HAVE_LINUX_BTRFS_H | |
178 | struct btrfs_ioctl_vol_args { | |
179 | int64_t fd; | |
180 | char name[BTRFS_PATH_NAME_MAX + 1]; | |
181 | }; | |
182 | ||
183 | struct btrfs_ioctl_dev_info_args { | |
184 | uint64_t devid; /* in/out */ | |
185 | uint8_t uuid[BTRFS_UUID_SIZE]; /* in/out */ | |
186 | uint64_t bytes_used; /* out */ | |
187 | uint64_t total_bytes; /* out */ | |
188 | uint64_t unused[379]; /* pad to 4k */ | |
189 | char path[BTRFS_DEVICE_PATH_NAME_MAX]; /* out */ | |
190 | }; | |
191 | ||
192 | struct btrfs_ioctl_fs_info_args { | |
193 | uint64_t max_id; /* out */ | |
194 | uint64_t num_devices; /* out */ | |
195 | uint8_t fsid[BTRFS_FSID_SIZE]; /* out */ | |
196 | uint64_t reserved[124]; /* pad to 1k */ | |
197 | }; | |
198 | #endif | |
199 | ||
200 | #ifndef BTRFS_IOC_DEFRAG | |
201 | #define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, struct btrfs_ioctl_vol_args) | |
202 | #endif | |
203 | ||
204 | #ifndef BTRFS_IOC_DEV_INFO | |
205 | #define BTRFS_IOC_DEV_INFO _IOWR(BTRFS_IOCTL_MAGIC, 30, \ | |
206 | struct btrfs_ioctl_dev_info_args) | |
207 | #endif | |
208 | ||
209 | #ifndef BTRFS_IOC_FS_INFO | |
210 | #define BTRFS_IOC_FS_INFO _IOR(BTRFS_IOCTL_MAGIC, 31, \ | |
211 | struct btrfs_ioctl_fs_info_args) | |
212 | #endif | |
213 | ||
746f8906 LP |
214 | #ifndef BTRFS_SUPER_MAGIC |
215 | #define BTRFS_SUPER_MAGIC 0x9123683E | |
216 | #endif | |
217 | ||
94d82985 LP |
218 | #ifndef MS_MOVE |
219 | #define MS_MOVE 8192 | |
220 | #endif | |
221 | ||
7cb1094a HH |
222 | #ifndef MS_PRIVATE |
223 | #define MS_PRIVATE (1 << 18) | |
224 | #endif | |
225 | ||
a8348796 | 226 | #if !HAVE_DECL_GETTID |
4d14be09 LP |
227 | static inline pid_t gettid(void) { |
228 | return (pid_t) syscall(SYS_gettid); | |
229 | } | |
a8348796 | 230 | #endif |
4d14be09 | 231 | |
54ecda32 LP |
232 | #ifndef SCM_SECURITY |
233 | #define SCM_SECURITY 0x03 | |
234 | #endif | |
235 | ||
48ac500b LP |
236 | #ifndef MS_STRICTATIME |
237 | #define MS_STRICTATIME (1<<24) | |
238 | #endif | |
239 | ||
a9621528 AM |
240 | #ifndef MS_REC |
241 | #define MS_REC 16384 | |
242 | #endif | |
243 | ||
244 | #ifndef MS_SHARED | |
245 | #define MS_SHARED (1<<20) | |
246 | #endif | |
247 | ||
8351ceae LP |
248 | #ifndef PR_SET_NO_NEW_PRIVS |
249 | #define PR_SET_NO_NEW_PRIVS 38 | |
250 | #endif | |
d4447f4d AK |
251 | |
252 | #ifndef PR_SET_CHILD_SUBREAPER | |
253 | #define PR_SET_CHILD_SUBREAPER 36 | |
254 | #endif | |
a8348796 LP |
255 | |
256 | #ifndef MAX_HANDLE_SZ | |
257 | #define MAX_HANDLE_SZ 128 | |
258 | #endif | |
259 | ||
f527b6b8 | 260 | #if defined __x86_64__ |
848af055 ED |
261 | # ifndef __NR_name_to_handle_at |
262 | # define __NR_name_to_handle_at 303 | |
a8348796 | 263 | # endif |
f527b6b8 | 264 | #elif defined __i386__ |
848af055 ED |
265 | # ifndef __NR_name_to_handle_at |
266 | # define __NR_name_to_handle_at 341 | |
a8348796 | 267 | # endif |
f527b6b8 MO |
268 | #elif defined __arm__ |
269 | # ifndef __NR_name_to_handle_at | |
270 | # define __NR_name_to_handle_at 370 | |
271 | # endif | |
272 | #elif defined __powerpc__ | |
273 | # ifndef __NR_name_to_handle_at | |
274 | # define __NR_name_to_handle_at 345 | |
275 | # endif | |
276 | #else | |
277 | # ifndef __NR_name_to_handle_at | |
278 | # error __NR_name_to_handle_at is not defined | |
279 | # endif | |
a8348796 LP |
280 | #endif |
281 | ||
9388e99e | 282 | #if !HAVE_DECL_NAME_TO_HANDLE_AT |
a8348796 LP |
283 | struct file_handle { |
284 | unsigned int handle_bytes; | |
285 | int handle_type; | |
286 | unsigned char f_handle[0]; | |
287 | }; | |
288 | ||
289 | static inline int name_to_handle_at(int fd, const char *name, struct file_handle *handle, int *mnt_id, int flags) { | |
290 | return syscall(__NR_name_to_handle_at, fd, name, handle, mnt_id, flags); | |
291 | } | |
292 | #endif | |
4db17f29 ZJS |
293 | |
294 | #ifndef HAVE_SECURE_GETENV | |
295 | # ifdef HAVE___SECURE_GETENV | |
296 | # define secure_getenv __secure_getenv | |
297 | # else | |
298 | # error neither secure_getenv nor __secure_getenv are available | |
299 | # endif | |
300 | #endif | |
85210bff LP |
301 | |
302 | #ifndef CIFS_MAGIC_NUMBER | |
303 | #define CIFS_MAGIC_NUMBER 0xFF534D42 | |
304 | #endif | |
8742514c LP |
305 | |
306 | #ifndef TFD_TIMER_CANCEL_ON_SET | |
307 | #define TFD_TIMER_CANCEL_ON_SET (1 << 1) | |
308 | #endif | |
f7db7a69 SL |
309 | |
310 | #ifndef SO_REUSEPORT | |
311 | #define SO_REUSEPORT 15 | |
312 | #endif |