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
|
/*
* Copyright (c) 2015, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <utils/sys.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <unistd.h>
#include <string>
#define __CLASS__ "Sys"
namespace sdm {
#ifndef SDM_VIRTUAL_DRIVER
int PthreadCancel(pthread_t /* thread */) {
return 0;
}
// Pointer to actual driver interfaces.
Sys::ioctl Sys::ioctl_ = ::ioctl;
Sys::access Sys::access_ = ::access;
Sys::open Sys::open_ = ::open;
Sys::close Sys::close_ = ::close;
Sys::poll Sys::poll_ = ::poll;
Sys::pread Sys::pread_ = ::pread;
Sys::pwrite Sys::pwrite_ = ::pwrite;
Sys::pthread_cancel Sys::pthread_cancel_ = PthreadCancel;
Sys::dup Sys::dup_ = ::dup;
Sys::read Sys::read_ = ::read;
Sys::write Sys::write_ = ::write;
Sys::eventfd Sys::eventfd_ = ::eventfd;
bool Sys::getline_(fstream &fs, std::string &line) {
return std::getline(fs, line) ? true : false;
}
#endif // SDM_VIRTUAL_DRIVER
DynLib::~DynLib() {
Close();
}
bool DynLib::Open(const char *lib_name) {
Close();
lib_ = ::dlopen(lib_name, RTLD_NOW);
return (lib_ != NULL);
}
bool DynLib::Sym(const char *func_name, void **func_ptr) {
if (lib_) {
*func_ptr = ::dlsym(lib_, func_name);
} else {
*func_ptr = NULL;
}
return (*func_ptr != NULL);
}
void DynLib::Close() {
if (lib_) {
::dlclose(lib_);
lib_ = NULL;
}
}
} // namespace sdm
|
