1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
/*
* udev_libc_wrapper - wrapping of functions missing in a specific libc
* or not working in a statically compiled binary
*
* Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation version 2 of the License.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef _UDEV_LIBC_WRAPPER_H_
#define _UDEV_LIBC_WRAPPER_H_
#include <string.h>
#include <unistd.h>
#include <stdint.h>
/* needed until Inotify! syscalls reach glibc */
#include <sys/syscall.h>
#ifndef __NR_inotify_init
#if defined(__i386__)
# define __NR_inotify_init 291
# define __NR_inotify_add_watch 292
# define __NR_inotify_rm_watch 293
#elif defined(__x86_64__)
# define __NR_inotify_init 253
# define __NR_inotify_add_watch 254
# define __NR_inotify_rm_watch 255
#elif defined(__powerpc__) || defined(__powerpc64__)
# define __NR_inotify_init 275
# define __NR_inotify_add_watch 276
# define __NR_inotify_rm_watch 277
#elif defined (__ia64__)
# define __NR_inotify_init 1277
# define __NR_inotify_add_watch 1278
# define __NR_inotify_rm_watch 1279
#elif defined (__s390__)
# define __NR_inotify_init 284
# define __NR_inotify_add_watch 285
# define __NR_inotify_rm_watch 286
#elif defined (__alpha__)
# define __NR_inotify_init 444
# define __NR_inotify_add_watch 445
# define __NR_inotify_rm_watch 446
#elif defined (__sparc__) || defined (__sparc64__)
# define __NR_inotify_init 151
# define __NR_inotify_add_watch 152
# define __NR_inotify_rm_watch 156
#elif defined (__arm__)
# define __NR_inotify_init __NR_SYSCALL_BASE+316
# define __NR_inotify_add_watch __NR_SYSCALL_BASE+317
# define __NR_inotify_rm_watch __NR_SYSCALL_BASE+318
#elif defined (__sh__)
# define __NR_inotify_init 290
# define __NR_inotify_add_watch 291
# define __NR_inotify_rm_watch 292
#elif defined (__hppa__)
# define __NR_inotify_init 269
# define __NR_inotify_add_watch 270
# define __NR_inotify_rm_watch 271
#elif defined (__mips__)
# include <sgidefs.h>
# if _MIPS_SIM == _MIPS_SIM_ABI32
# define __NR_Linux 4000
# define __NR_inotify_init (__NR_Linux + 284)
# define __NR_inotify_add_watch (__NR_Linux + 285)
# define __NR_inotify_rm_watch (__NR_Linux + 286)
# elif _MIPS_SIM == _MIPS_SIM_ABI64
# define __NR_Linux 5000
# define __NR_inotify_init (__NR_Linux + 243)
# define __NR_inotify_add_watch (__NR_Linux + 244)
# define __NR_inotify_rm_watch (__NR_Linux + 245)
# elif _MIPS_SIM == _MIPS_SIM_NABI32
# define __NR_Linux 6000
# define __NR_inotify_init (__NR_Linux + 247)
# define __NR_inotify_add_watch (__NR_Linux + 248)
# define __NR_inotify_rm_watch (__NR_Linux + 249)
# endif
#else
#warning "inotify unsupported on this architecture!"
#endif
#endif /* __NR_inotify_init */
/* dummy if we don't have the syscalls defined */
#ifndef __NR_inotify_init
static inline int inotify_init(void)
{
return -1;
}
static inline int inotify_add_watch(int fd, const char *name, uint32_t mask)
{
return -1;
}
#else
/* needed until /usr/include/sys/inotify.h is working */
#ifndef __GLIBC__
#include <sys/inotify.h>
#else
static inline int inotify_init(void)
{
return syscall(__NR_inotify_init);
}
static inline int inotify_add_watch(int fd, const char *name, uint32_t mask)
{
return syscall(__NR_inotify_add_watch, fd, name, mask);
}
#endif /* __GLIBC__ */
#endif /* __NR_inotify_init */
#ifndef IN_CREATE
#define IN_CREATE 0x00000100 /* Subfile was created */
#define IN_MOVED_FROM 0x00000040 /* File was moved from X */
#define IN_MOVED_TO 0x00000080 /* File was moved to Y */
#define IN_DELETE 0x00000200 /* Subfile was deleted */
#define IN_CLOSE_WRITE 0x00000008 /* Writtable file was closed */
#define IN_MOVE (IN_MOVED_FROM | IN_MOVED_TO) /* moves */
#endif /* IN_CREATE */
/* needed for our signal handlers to work */
#undef asmlinkage
#ifdef __i386__
#define asmlinkage __attribute__((regparm(0)))
#else
#define asmlinkage
#endif /* __i386__ */
/* headers are broken on some architectures */
#ifndef __FD_SET
#define __FD_SET(d, set) ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
#endif
#ifndef __FD_CLR
#define __FD_CLR(d, set) ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
#endif
#ifndef __FD_ISSET
#define __FD_ISSET(d, set) (((set)->fds_bits[__FDELT(d)] & __FDMASK(d)) != 0)
#endif
#ifndef __FD_ZERO
#define __FD_ZERO(set) ((void) memset ((void*) (set), 0, sizeof (fd_set)))
#endif
#ifndef NETLINK_KOBJECT_UEVENT
#define NETLINK_KOBJECT_UEVENT 15
#endif
#ifndef SO_RCVBUFFORCE
#if defined(__alpha__) || defined(__hppa__) || defined(__sparc__) || defined(__sparc_v9__)
#define SO_RCVBUFFORCE 0x100b
#else
#define SO_RCVBUFFORCE 33
#endif
#endif
extern uid_t lookup_user(const char *user);
extern gid_t lookup_group(const char *group);
extern size_t strlcpy(char *dst, const char *src, size_t size);
extern size_t strlcat(char *dst, const char *src, size_t size);
#endif /* _UDEV_LIBC_WRAPPER_H_ */
|
