blob: 899267a1e4b594dc734fecee0c1aca7fda0f5e76 (
plain)
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
|
// Copyright 2009-2020 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#include "library.h"
#include "sysinfo.h"
#include "filename.h"
////////////////////////////////////////////////////////////////////////////////
/// Windows Platform
////////////////////////////////////////////////////////////////////////////////
#if defined(__WIN32__)
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
namespace embree
{
/* opens a shared library */
lib_t openLibrary(const std::string& file)
{
std::string fullName = file+".dll";
FileName executable = getExecutableFileName();
HANDLE handle = LoadLibrary((executable.path() + fullName).c_str());
return lib_t(handle);
}
/* returns address of a symbol from the library */
void* getSymbol(lib_t lib, const std::string& sym) {
return reinterpret_cast<void *>(GetProcAddress(HMODULE(lib),sym.c_str()));
}
/* closes the shared library */
void closeLibrary(lib_t lib) {
FreeLibrary(HMODULE(lib));
}
}
#endif
////////////////////////////////////////////////////////////////////////////////
/// Unix Platform
////////////////////////////////////////////////////////////////////////////////
#if defined(__UNIX__)
#include <dlfcn.h>
namespace embree
{
/* opens a shared library */
lib_t openLibrary(const std::string& file)
{
#if defined(__MACOSX__)
std::string fullName = "lib"+file+".dylib";
#else
std::string fullName = "lib"+file+".so";
#endif
void* lib = dlopen(fullName.c_str(), RTLD_NOW);
if (lib) return lib_t(lib);
FileName executable = getExecutableFileName();
lib = dlopen((executable.path() + fullName).c_str(),RTLD_NOW);
if (lib == nullptr) {
const char* error = dlerror();
if (error) {
THROW_RUNTIME_ERROR(error);
} else {
THROW_RUNTIME_ERROR("could not load library "+executable.str());
}
}
return lib_t(lib);
}
/* returns address of a symbol from the library */
void* getSymbol(lib_t lib, const std::string& sym) {
return dlsym(lib,sym.c_str());
}
/* closes the shared library */
void closeLibrary(lib_t lib) {
dlclose(lib);
}
}
#endif
|