1// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
2// for details. All rights reserved. Use of this source code is governed by a
3// BSD-style license that can be found in the LICENSE file.
4
5#include "platform/globals.h"
6#if defined(HOST_OS_LINUX)
7
8#include <dlfcn.h> // NOLINT
9#include "bin/extensions.h"
10
11#include "platform/assert.h"
12
13namespace dart {
14namespace bin {
15
16void* Extensions::LoadExtensionLibrary(const char* library_file) {
17 return dlopen(library_file, RTLD_LAZY);
18}
19
20void* Extensions::ResolveSymbol(void* lib_handle, const char* symbol) {
21 dlerror();
22 return dlsym(lib_handle, symbol);
23}
24
25void Extensions::UnloadLibrary(void* lib_handle) {
26 dlerror();
27 int result = dlclose(lib_handle);
28 ASSERT(result == 0);
29}
30
31Dart_Handle Extensions::GetError() {
32 const char* err_str = dlerror();
33 if (err_str != NULL) {
34 return Dart_NewApiError(err_str);
35 }
36 return Dart_Null();
37}
38
39} // namespace bin
40} // namespace dart
41
42#endif // defined(HOST_OS_LINUX)
43