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Guards for the compiler driver plugin list.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74230 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson
2009-06-26 00:06:28 +00:00
parent 6267422318
commit a3e3175bdd
1 changed files with 7 additions and 1 deletions
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8
lib/CompilerDriver/Plugin.cpp
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@@ -12,7 +12,8 @@
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
#include "llvm/CompilerDriver/Plugin.h" #include "llvm/CompilerDriver/Plugin.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/System/Mutex.h"
#include <algorithm> #include <algorithm>
#include <vector> #include <vector>
@@ -28,6 +29,7 @@ namespace {
static bool pluginListInitialized = false; static bool pluginListInitialized = false;
typedef std::vector<const llvmc::BasePlugin*> PluginList; typedef std::vector<const llvmc::BasePlugin*> PluginList;
static PluginList Plugins; static PluginList Plugins;
static llvm::ManagedStatic<llvm::sys::SmartMutex<true> > PluginMutex;
struct ByPriority { struct ByPriority {
bool operator()(const llvmc::BasePlugin* lhs, bool operator()(const llvmc::BasePlugin* lhs,
@@ -40,6 +42,7 @@ namespace {
namespace llvmc { namespace llvmc {
PluginLoader::PluginLoader() { PluginLoader::PluginLoader() {
llvm::sys::SmartScopedLock<true> Lock(&*PluginMutex);
if (!pluginListInitialized) { if (!pluginListInitialized) {
for (PluginRegistry::iterator B = PluginRegistry::begin(), for (PluginRegistry::iterator B = PluginRegistry::begin(),
E = PluginRegistry::end(); B != E; ++B) E = PluginRegistry::end(); B != E; ++B)
@@ -50,6 +53,7 @@ namespace llvmc {
} }
PluginLoader::~PluginLoader() { PluginLoader::~PluginLoader() {
llvm::sys::SmartScopedLock<true> Lock(&*PluginMutex);
if (pluginListInitialized) { if (pluginListInitialized) {
for (PluginList::iterator B = Plugins.begin(), E = Plugins.end(); for (PluginList::iterator B = Plugins.begin(), E = Plugins.end();
B != E; ++B) B != E; ++B)
@@ -59,12 +63,14 @@ namespace llvmc {
} }
void PluginLoader::PopulateLanguageMap(LanguageMap& langMap) { void PluginLoader::PopulateLanguageMap(LanguageMap& langMap) {
llvm::sys::SmartScopedLock<true> Lock(&*PluginMutex);
for (PluginList::iterator B = Plugins.begin(), E = Plugins.end(); for (PluginList::iterator B = Plugins.begin(), E = Plugins.end();
B != E; ++B) B != E; ++B)
(*B)->PopulateLanguageMap(langMap); (*B)->PopulateLanguageMap(langMap);
} }
void PluginLoader::PopulateCompilationGraph(CompilationGraph& graph) { void PluginLoader::PopulateCompilationGraph(CompilationGraph& graph) {
llvm::sys::SmartScopedLock<true> Lock(&*PluginMutex);
for (PluginList::iterator B = Plugins.begin(), E = Plugins.end(); for (PluginList::iterator B = Plugins.begin(), E = Plugins.end();
B != E; ++B) B != E; ++B)
(*B)->PopulateCompilationGraph(graph); (*B)->PopulateCompilationGraph(graph);