linux: add flash workarounds

base/native_library_linux.cc

 // Copyright (c) 2009 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.
 
 #include "base/native_library.h"
 
 #include <dlfcn.h>
+#include <set>
 
 #include "base/file_path.h"
 #include "base/logging.h"
+#include "base/singleton.h"
 #include "base/string_util.h"
 
 namespace base {
 
+typedef std::set<FilePath> FilePathSet;
+struct ShallowBindPathDifferentiatingType { };
+typedef Singleton<FilePathSet,
+                  DefaultSingletonTraits<FilePathSet>,
+                  ShallowBindPathDifferentiatingType> ShallowBindPathSingleton;
+
+void AddShallowBindPath(const FilePath& library_path) {
+  FilePathSet *file_path_set = ShallowBindPathSingleton::get();
+  file_path_set->insert(library_path);
+}
+
+bool IsShallowBindPath(const FilePath& library_path) {
+  FilePathSet *file_path_set = ShallowBindPathSingleton::get();
+  return file_path_set->find(library_path) != file_path_set->end();
+}
+
 // static
 NativeLibrary LoadNativeLibrary(const FilePath& library_path) {
-  void* dl = dlopen(library_path.value().c_str(), RTLD_LAZY|RTLD_DEEPBIND);
+  int flags = RTLD_LAZY;
+  if (!IsShallowBindPath(library_path))
+    flags |= RTLD_DEEPBIND;
+  void* dl = dlopen(library_path.value().c_str(), flags);
   if (!dl) {
     LOG(ERROR) << "dlopen failed when trying to open " << library_path.value()
                << ": " << dlerror();
   }
 
   return dl;
 }
 
 // static
 void UnloadNativeLibrary(NativeLibrary library) {
   int ret = dlclose(library);
   if (ret < 0)
     NOTREACHED() << "dlclose failed: " << dlerror();
 }
 
 // static
 void* GetFunctionPointerFromNativeLibrary(NativeLibrary library,
                                           const char* name) {
   return dlsym(library, name);
 }
 
 // static
 string16 GetNativeLibraryName(const string16& name) {
   return ASCIIToUTF16("lib") + name + ASCIIToUTF16(".so");
 }
 
 }  // namespace base