//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
//===----------------------------------------------------------------------===//
#define DONT_GET_PLUGIN_LOADER_OPTION
+#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/PluginLoader.h"
-#include "llvm/System/DynamicLibrary.h"
-#include <iostream>
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/DynamicLibrary.h"
+#include "llvm/Support/Mutex.h"
#include <vector>
-
using namespace llvm;
-std::vector<std::string> plugins;
+static ManagedStatic<std::vector<std::string> > Plugins;
+static ManagedStatic<sys::SmartMutex<true> > PluginsLock;
void PluginLoader::operator=(const std::string &Filename) {
- std::string ErrorMessage;
- try {
- sys::DynamicLibrary::LoadLibraryPermanently(Filename.c_str());
- plugins.push_back(Filename);
- } catch (const std::string& errmsg) {
- if (errmsg.empty()) {
- ErrorMessage = "Unknown";
- } else {
- ErrorMessage = errmsg;
- }
+ sys::SmartScopedLock<true> Lock(*PluginsLock);
+ std::string Error;
+ if (sys::DynamicLibrary::LoadLibraryPermanently(Filename.c_str(), &Error)) {
+ errs() << "Error opening '" << Filename << "': " << Error
+ << "\n -load request ignored.\n";
+ } else {
+ Plugins->push_back(Filename);
}
- if (!ErrorMessage.empty())
- std::cerr << "Error opening '" << Filename << "': " << ErrorMessage
- << "\n -load request ignored.\n";
}
-unsigned PluginLoader::getNumPlugins()
-{
- return plugins.size();
+unsigned PluginLoader::getNumPlugins() {
+ sys::SmartScopedLock<true> Lock(*PluginsLock);
+ return Plugins.isConstructed() ? Plugins->size() : 0;
}
-std::string& PluginLoader::getPlugin(unsigned num)
-{
- assert(num < plugins.size() && "Asking for an out of bounds plugin");
- return plugins[num];
+std::string &PluginLoader::getPlugin(unsigned num) {
+ sys::SmartScopedLock<true> Lock(*PluginsLock);
+ assert(Plugins.isConstructed() && num < Plugins->size() &&
+ "Asking for an out of bounds plugin");
+ return (*Plugins)[num];
}