Line |
Branch |
Exec |
Source |
1 |
|
|
/************************************************************************ |
2 |
|
|
* |
3 |
|
|
* Copyright (C) 2009-2023 IRCAD France |
4 |
|
|
* Copyright (C) 2012-2020 IHU Strasbourg |
5 |
|
|
* |
6 |
|
|
* This file is part of Sight. |
7 |
|
|
* |
8 |
|
|
* Sight is free software: you can redistribute it and/or modify it under |
9 |
|
|
* the terms of the GNU Lesser General Public License as published by |
10 |
|
|
* the Free Software Foundation, either version 3 of the License, or |
11 |
|
|
* (at your option) any later version. |
12 |
|
|
* |
13 |
|
|
* Sight is distributed in the hope that it will be useful, |
14 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 |
|
|
* GNU Lesser General Public License for more details. |
17 |
|
|
* |
18 |
|
|
* You should have received a copy of the GNU Lesser General Public |
19 |
|
|
* License along with Sight. If not, see <https://www.gnu.org/licenses/>. |
20 |
|
|
* |
21 |
|
|
***********************************************************************/ |
22 |
|
|
|
23 |
|
|
#if defined(__unix__) |
24 |
|
|
|
25 |
|
|
#include "core/runtime/detail/dl/posix.hpp" |
26 |
|
|
|
27 |
|
|
#include "core/runtime/module.hpp" |
28 |
|
|
|
29 |
|
|
namespace sight::core::runtime::detail::dl |
30 |
|
|
{ |
31 |
|
|
|
32 |
|
|
//------------------------------------------------------------------------------ |
33 |
|
|
|
34 |
|
1925 |
posix::posix(const std::filesystem::path& _module_path) noexcept : |
35 |
|
1925 |
native(_module_path) |
36 |
|
|
{ |
37 |
|
1925 |
} |
38 |
|
|
|
39 |
|
|
//------------------------------------------------------------------------------ |
40 |
|
|
|
41 |
|
3850 |
posix::~posix() noexcept = |
42 |
|
|
default; |
43 |
|
|
|
44 |
|
|
//------------------------------------------------------------------------------ |
45 |
|
|
|
46 |
|
252 |
bool posix::is_loaded() const noexcept |
47 |
|
|
{ |
48 |
|
252 |
return m_handle != nullptr; |
49 |
|
|
} |
50 |
|
|
|
51 |
|
|
//------------------------------------------------------------------------------ |
52 |
|
|
|
53 |
|
✗ |
void* posix::get_symbol(const std::string& _name) const |
54 |
|
|
{ |
55 |
|
✗ |
void* result = nullptr; |
56 |
|
✗ |
if(is_loaded()) |
57 |
|
|
{ |
58 |
|
✗ |
dlerror(); /* Clear existing error */ |
59 |
|
✗ |
result = dlsym(m_handle, _name.c_str()); |
60 |
|
✗ |
if(result == nullptr) /* Check for possible errors */ |
61 |
|
|
{ |
62 |
|
✗ |
std::string message(dlerror()); |
63 |
|
✗ |
if(!message.empty()) |
64 |
|
|
{ |
65 |
|
✗ |
throw runtime_exception("Symbol retrieval failed. " + message); |
66 |
|
|
} |
67 |
|
|
} |
68 |
|
|
} |
69 |
|
|
|
70 |
|
✗ |
return result; |
71 |
|
|
} |
72 |
|
|
|
73 |
|
|
//------------------------------------------------------------------------------ |
74 |
|
|
|
75 |
|
253 |
void posix::load() |
76 |
|
|
{ |
77 |
1/2
✓ Branch 0 taken 253 times.
✗ Branch 1 not taken.
|
253 |
if(m_handle == nullptr) |
78 |
|
|
{ |
79 |
|
|
// Opens the dynamic library. |
80 |
|
505 |
m_handle = dlopen(get_full_path().string().c_str(), RTLD_LAZY | RTLD_GLOBAL); |
81 |
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 252 times.
|
252 |
if(m_handle == nullptr) |
82 |
|
|
{ |
83 |
|
✗ |
std::string message(dlerror()); |
84 |
|
✗ |
throw runtime_exception("Module load failed. " + message); |
85 |
|
|
} |
86 |
|
|
} |
87 |
|
252 |
} |
88 |
|
|
|
89 |
|
|
//------------------------------------------------------------------------------ |
90 |
|
|
|
91 |
|
✗ |
void posix::unload() |
92 |
|
|
{ |
93 |
|
✗ |
if(m_handle != nullptr) |
94 |
|
|
{ |
95 |
|
✗ |
int result = 0; |
96 |
|
✗ |
result = dlclose(m_handle); |
97 |
|
✗ |
if(result != 0) |
98 |
|
|
{ |
99 |
|
✗ |
std::string message(dlerror()); |
100 |
|
✗ |
throw runtime_exception("Module unload failed. " + message); |
101 |
|
|
} |
102 |
|
|
|
103 |
|
✗ |
m_handle = nullptr; |
104 |
|
|
} |
105 |
|
|
} |
106 |
|
|
|
107 |
|
|
//------------------------------------------------------------------------------ |
108 |
|
|
|
109 |
|
|
} // namespace sight::core::runtime::detail::dl |
110 |
|
|
|
111 |
|
|
#endif // #if defined(__unix__) |
112 |
|
|
|