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1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ | |
2 | ||
3 | #ifndef foomissinghfoo | |
4 | #define foomissinghfoo | |
5 | ||
6 | /*** | |
7 | This file is part of systemd. | |
8 | ||
9 | Copyright 2010 Lennart Poettering | |
10 | ||
11 | systemd is free software; you can redistribute it and/or modify it | |
12 | under the terms of the GNU Lesser General Public License as published by | |
13 | the Free Software Foundation; either version 2.1 of the License, or | |
14 | (at your option) any later version. | |
15 | ||
16 | systemd is distributed in the hope that it will be useful, but | |
17 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
19 | Lesser General Public License for more details. | |
20 | ||
21 | You should have received a copy of the GNU Lesser General Public License | |
22 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
23 | ***/ | |
24 | ||
25 | /* Missing glibc definitions to access certain kernel APIs */ | |
26 | ||
27 | #include <sys/resource.h> | |
28 | #include <sys/syscall.h> | |
29 | #include <fcntl.h> | |
30 | #include <unistd.h> | |
31 | #include <linux/oom.h> | |
32 | ||
33 | #ifdef HAVE_AUDIT | |
34 | #include <libaudit.h> | |
35 | #endif | |
36 | ||
37 | #include "macro.h" | |
38 | ||
39 | #ifdef ARCH_MIPS | |
40 | #include <asm/sgidefs.h> | |
41 | #endif | |
42 | ||
43 | #ifndef RLIMIT_RTTIME | |
44 | #define RLIMIT_RTTIME 15 | |
45 | #endif | |
46 | ||
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 | ||
59 | #ifndef IP_FREEBIND | |
60 | #define IP_FREEBIND 15 | |
61 | #endif | |
62 | ||
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 | |
70 | ||
71 | #ifndef AUDIT_SERVICE_START | |
72 | #define AUDIT_SERVICE_START 1130 /* Service (daemon) start */ | |
73 | #endif | |
74 | ||
75 | #ifndef AUDIT_SERVICE_STOP | |
76 | #define AUDIT_SERVICE_STOP 1131 /* Service (daemon) stop */ | |
77 | #endif | |
78 | ||
79 | #ifndef TIOCVHANGUP | |
80 | #define TIOCVHANGUP 0x5437 | |
81 | #endif | |
82 | ||
83 | #ifndef IP_TRANSPARENT | |
84 | #define IP_TRANSPARENT 19 | |
85 | #endif | |
86 | ||
87 | static inline int pivot_root(const char *new_root, const char *put_old) { | |
88 | return syscall(SYS_pivot_root, new_root, put_old); | |
89 | } | |
90 | ||
91 | #ifdef __x86_64__ | |
92 | # ifndef __NR_fanotify_init | |
93 | # define __NR_fanotify_init 300 | |
94 | # endif | |
95 | # ifndef __NR_fanotify_mark | |
96 | # define __NR_fanotify_mark 301 | |
97 | # endif | |
98 | #elif defined _MIPS_SIM | |
99 | # if _MIPS_SIM == _MIPS_SIM_ABI32 | |
100 | # ifndef __NR_fanotify_init | |
101 | # define __NR_fanotify_init 4336 | |
102 | # endif | |
103 | # ifndef __NR_fanotify_mark | |
104 | # define __NR_fanotify_mark 4337 | |
105 | # endif | |
106 | # elif _MIPS_SIM == _MIPS_SIM_NABI32 | |
107 | # ifndef __NR_fanotify_init | |
108 | # define __NR_fanotify_init 6300 | |
109 | # endif | |
110 | # ifndef __NR_fanotify_mark | |
111 | # define __NR_fanotify_mark 6301 | |
112 | # endif | |
113 | # elif _MIPS_SIM == _MIPS_SIM_ABI64 | |
114 | # ifndef __NR_fanotify_init | |
115 | # define __NR_fanotify_init 5295 | |
116 | # endif | |
117 | # ifndef __NR_fanotify_mark | |
118 | # define __NR_fanotify_mark 5296 | |
119 | # endif | |
120 | # endif | |
121 | #else | |
122 | # ifndef __NR_fanotify_init | |
123 | # define __NR_fanotify_init 338 | |
124 | # endif | |
125 | # ifndef __NR_fanotify_mark | |
126 | # define __NR_fanotify_mark 339 | |
127 | # endif | |
128 | #endif | |
129 | ||
130 | static inline int fanotify_init(unsigned int flags, unsigned int event_f_flags) { | |
131 | return syscall(__NR_fanotify_init, flags, event_f_flags); | |
132 | } | |
133 | ||
134 | static inline int fanotify_mark(int fanotify_fd, unsigned int flags, uint64_t mask, | |
135 | int dfd, const char *pathname) { | |
136 | #if defined _MIPS_SIM && _MIPS_SIM == _MIPS_SIM_ABI32 || defined __powerpc__ && !defined __powerpc64__ | |
137 | union { | |
138 | uint64_t _64; | |
139 | uint32_t _32[2]; | |
140 | } _mask; | |
141 | _mask._64 = mask; | |
142 | ||
143 | return syscall(__NR_fanotify_mark, fanotify_fd, flags, | |
144 | _mask._32[0], _mask._32[1], dfd, pathname); | |
145 | #else | |
146 | return syscall(__NR_fanotify_mark, fanotify_fd, flags, mask, dfd, pathname); | |
147 | #endif | |
148 | } | |
149 | ||
150 | #ifndef BTRFS_IOCTL_MAGIC | |
151 | #define BTRFS_IOCTL_MAGIC 0x94 | |
152 | #endif | |
153 | ||
154 | #ifndef BTRFS_PATH_NAME_MAX | |
155 | #define BTRFS_PATH_NAME_MAX 4087 | |
156 | #endif | |
157 | ||
158 | struct btrfs_ioctl_vol_args { | |
159 | int64_t fd; | |
160 | char name[BTRFS_PATH_NAME_MAX + 1]; | |
161 | }; | |
162 | ||
163 | #ifndef BTRFS_IOC_DEFRAG | |
164 | #define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, struct btrfs_ioctl_vol_args) | |
165 | #endif | |
166 | ||
167 | #ifndef BTRFS_SUPER_MAGIC | |
168 | #define BTRFS_SUPER_MAGIC 0x9123683E | |
169 | #endif | |
170 | ||
171 | #ifndef MS_MOVE | |
172 | #define MS_MOVE 8192 | |
173 | #endif | |
174 | ||
175 | #ifndef MS_PRIVATE | |
176 | #define MS_PRIVATE (1 << 18) | |
177 | #endif | |
178 | ||
179 | static inline pid_t gettid(void) { | |
180 | return (pid_t) syscall(SYS_gettid); | |
181 | } | |
182 | ||
183 | #ifndef SCM_SECURITY | |
184 | #define SCM_SECURITY 0x03 | |
185 | #endif | |
186 | ||
187 | #ifndef MS_STRICTATIME | |
188 | #define MS_STRICTATIME (1<<24) | |
189 | #endif | |
190 | ||
191 | #endif |