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1 /* | |
2 * libjingle | |
3 * Copyright 2004 Google Inc. | |
4 * | |
5 * Redistribution and use in source and binary forms, with or without | |
6 * modification, are permitted provided that the following conditions are met: | |
7 * | |
8 * 1. Redistributions of source code must retain the above copyright notice, | |
9 * this list of conditions and the following disclaimer. | |
10 * 2. Redistributions in binary form must reproduce the above copyright notice, | |
11 * this list of conditions and the following disclaimer in the documentation | |
12 * and/or other materials provided with the distribution. | |
13 * 3. The name of the author may not be used to endorse or promote products | |
14 * derived from this software without specific prior written permission. | |
15 * | |
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO | |
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; | |
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | |
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | |
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | |
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
26 */ | |
27 | |
28 #ifndef TALK_MEDIA_DEVICES_LIBUDEVSYMBOLTABLE_H_ | |
29 #define TALK_MEDIA_DEVICES_LIBUDEVSYMBOLTABLE_H_ | |
30 | |
31 #include <libudev.h> | |
32 | |
33 #include "webrtc/base/latebindingsymboltable.h" | |
34 | |
35 namespace cricket { | |
36 | |
37 #define LIBUDEV_SYMBOLS_CLASS_NAME LibUDevSymbolTable | |
38 // The libudev symbols we need, as an X-Macro list. | |
39 // This list must contain precisely every libudev function that is used in | |
40 // linuxdevicemanager.cc. | |
41 #define LIBUDEV_SYMBOLS_LIST \ | |
42 X(udev_device_get_devnode) \ | |
43 X(udev_device_get_parent_with_subsystem_devtype) \ | |
44 X(udev_device_get_sysattr_value) \ | |
45 X(udev_device_new_from_syspath) \ | |
46 X(udev_device_unref) \ | |
47 X(udev_enumerate_add_match_subsystem) \ | |
48 X(udev_enumerate_get_list_entry) \ | |
49 X(udev_enumerate_new) \ | |
50 X(udev_enumerate_scan_devices) \ | |
51 X(udev_enumerate_unref) \ | |
52 X(udev_list_entry_get_name) \ | |
53 X(udev_list_entry_get_next) \ | |
54 X(udev_monitor_enable_receiving) \ | |
55 X(udev_monitor_filter_add_match_subsystem_devtype) \ | |
56 X(udev_monitor_get_fd) \ | |
57 X(udev_monitor_new_from_netlink) \ | |
58 X(udev_monitor_receive_device) \ | |
59 X(udev_monitor_unref) \ | |
60 X(udev_new) \ | |
61 X(udev_unref) | |
62 | |
63 #define LATE_BINDING_SYMBOL_TABLE_CLASS_NAME LIBUDEV_SYMBOLS_CLASS_NAME | |
64 #define LATE_BINDING_SYMBOL_TABLE_SYMBOLS_LIST LIBUDEV_SYMBOLS_LIST | |
65 #include "webrtc/base/latebindingsymboltable.h.def" | |
66 #undef LATE_BINDING_SYMBOL_TABLE_CLASS_NAME | |
67 #undef LATE_BINDING_SYMBOL_TABLE_SYMBOLS_LIST | |
68 | |
69 // libudev has changed ABIs to libudev.so.1 in recent distros and lots of users | |
70 // and/or software (including Google Chrome) are symlinking the old to the new. | |
71 // The entire point of ABI versions is that you can't safely do that, and | |
72 // it has caused crashes in the wild. This function checks if the DllHandle that | |
73 // we got back for libudev.so.0 is actually for libudev.so.1. If so, the library | |
74 // cannot safely be used. | |
75 bool IsWrongLibUDevAbiVersion(rtc::DllHandle libudev_0); | |
76 | |
77 } // namespace cricket | |
78 | |
79 #endif // TALK_MEDIA_DEVICES_LIBUDEVSYMBOLTABLE_H_ | |
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