X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FSupport%2FPluginLoader.cpp;h=358137f08f5f86fbb1eecc9adf2ecfff905b1927;hb=b9536ac581d0d74b29c11dcb33e22200b22b86b1;hp=5acf1d13ee9c2c95c20d7293684afd725c2b3130;hpb=e7d3af54737b7787c92ea03588dd4301b29d0899;p=oota-llvm.git

diff --git a/lib/Support/PluginLoader.cpp b/lib/Support/PluginLoader.cpp
index 5acf1d13ee9..358137f08f5 100644
--- a/lib/Support/PluginLoader.cpp
+++ b/lib/Support/PluginLoader.cpp
@@ -12,31 +12,35 @@
 //===----------------------------------------------------------------------===//
 
 #define DONT_GET_PLUGIN_LOADER_OPTION
-#include "llvm/Support/ManagedStatic.h"
 #include "llvm/Support/PluginLoader.h"
-#include "llvm/Support/Streams.h"
-#include "llvm/System/DynamicLibrary.h"
-#include <ostream>
+#include "llvm/Support/DynamicLibrary.h"
+#include "llvm/Support/ManagedStatic.h"
+#include "llvm/Support/Mutex.h"
+#include "llvm/Support/raw_ostream.h"
 #include <vector>
 using namespace llvm;
 
 static ManagedStatic<std::vector<std::string> > Plugins;
+static ManagedStatic<sys::SmartMutex<true> > PluginsLock;
 
 void PluginLoader::operator=(const std::string &Filename) {
+  sys::SmartScopedLock<true> Lock(*PluginsLock);
   std::string Error;
   if (sys::DynamicLibrary::LoadLibraryPermanently(Filename.c_str(), &Error)) {
-    cerr << "Error opening '" << Filename << "': " << Error
-         << "\n  -load request ignored.\n";
+    errs() << "Error opening '" << Filename << "': " << Error
+           << "\n  -load request ignored.\n";
   } else {
     Plugins->push_back(Filename);
   }
 }
 
 unsigned PluginLoader::getNumPlugins() {
+  sys::SmartScopedLock<true> Lock(*PluginsLock);
   return Plugins.isConstructed() ? Plugins->size() : 0;
 }
 
 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];