blob: bed5c399cea04b8177d3decb49cacb8b77629cec (
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
|
// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef BASE_SCOPED_NATIVE_LIBRARY_H_
#define BASE_SCOPED_NATIVE_LIBRARY_H_
#pragma once
#include "base/native_library.h"
class FilePath;
namespace base {
// A class which encapsulates a base::NativeLibrary object available only in a
// scope.
// This class automatically unloads the loaded library in its destructor.
class ScopedNativeLibrary {
public:
explicit ScopedNativeLibrary(const FilePath& library_path) {
library_ = base::LoadNativeLibrary(library_path);
}
~ScopedNativeLibrary() {
if (library_)
base::UnloadNativeLibrary(library_);
}
void* GetFunctionPointer(const char* function_name) {
if (!library_)
return NULL;
return base::GetFunctionPointerFromNativeLibrary(library_, function_name);
}
private:
base::NativeLibrary library_;
DISALLOW_COPY_AND_ASSIGN(ScopedNativeLibrary);
};
} // namespace base
#endif // BASE_SCOPED_NATIVE_LIBRARY_H_
|