x86UNIXDlibrary.cpp

Public Functions

DLibraryRef

OsLoadLibrary(const char * file)

Public Functions

OsLoadLibrary(const char * file)

Load a library Returns 0 if the library fails to load.

Symbols are resolved through the DLibrary interface.

 1
 2//-----------------------------------------------------------------------------
 3// Copyright (c) 2012 GarageGames, LLC
 4//
 5// Permission is hereby granted, free of charge, to any person obtaining a copy
 6// of this software and associated documentation files (the "Software"), to
 7// deal in the Software without restriction, including without limitation the
 8// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 9// sell copies of the Software, and to permit persons to whom the Software is
10// furnished to do so, subject to the following conditions:
11//
12// The above copyright notice and this permission notice shall be included in
13// all copies or substantial portions of the Software.
14//
15// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21// IN THE SOFTWARE.
22//-----------------------------------------------------------------------------
23
24#include "platform/types.h"
25#include "platform/platformDlibrary.h"
26
27#include <dlfcn.h>
28
29class x86UNIXDLibrary: public DLibrary
30{
31    void*   mLibHandle;
32public:
33    x86UNIXDLibrary();
34    virtual ~x86UNIXDLibrary();
35
36    bool open(const char* file);
37    void close();
38    virtual void *bind(const char *name);
39};
40
41x86UNIXDLibrary::x86UNIXDLibrary()
42{
43    mLibHandle = 0;
44}
45
46x86UNIXDLibrary::~x86UNIXDLibrary()
47{
48    close();
49}
50
51bool x86UNIXDLibrary::open(const char* file)
52{
53    mLibHandle = dlopen(file, RTLD_LAZY);
54    if( !mLibHandle )
55        return false;
56
57    return true;
58}
59
60void x86UNIXDLibrary::close()
61{
62    if( mLibHandle )
63    {
64        dlclose(mLibHandle);
65        mLibHandle = 0;
66    }
67}
68
69void* x86UNIXDLibrary::bind(const char *name)
70{
71    return mLibHandle ? dlsym(mLibHandle, name) : 0;
72}
73
74DLibraryRef OsLoadLibrary(const char* file)
75{
76    x86UNIXDLibrary* library = new x86UNIXDLibrary();
77    if (!library->open(file)) 
78    {
79        delete library;
80        library = 0;
81    }
82    return library;
83}
84
85