diff options
Diffstat (limited to 'lib/VMCore/Pass.cpp')
| -rw-r--r-- | lib/VMCore/Pass.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/VMCore/Pass.cpp b/lib/VMCore/Pass.cpp index e943e31..b037994 100644 --- a/lib/VMCore/Pass.cpp +++ b/lib/VMCore/Pass.cpp @@ -20,6 +20,7 @@ #include "llvm/ADT/STLExtras.h" #include "llvm/Support/ManagedStatic.h" #include "llvm/System/Atomic.h" +#include "llvm/System/Mutex.h" #include "llvm/System/Threading.h" #include <algorithm> #include <map> @@ -187,6 +188,7 @@ public: } static std::vector<PassRegistrationListener*> *Listeners = 0; +static sys::SmartMutex<true> ListenersLock; // FIXME: This should use ManagedStatic to manage the pass registrar. // Unfortunately, we can't do this, because passes are registered with static @@ -231,6 +233,7 @@ void PassInfo::registerPass() { getPassRegistrar()->RegisterPass(*this); // Notify any listeners. + sys::SmartScopedLock<true> Lock(&ListenersLock); if (Listeners) for (std::vector<PassRegistrationListener*>::iterator I = Listeners->begin(), E = Listeners->end(); I != E; ++I) @@ -283,12 +286,14 @@ RegisterAGBase::RegisterAGBase(const char *Name, intptr_t InterfaceID, // PassRegistrationListener ctor - Add the current object to the list of // PassRegistrationListeners... PassRegistrationListener::PassRegistrationListener() { + sys::SmartScopedLock<true> Lock(&ListenersLock); if (!Listeners) Listeners = new std::vector<PassRegistrationListener*>(); Listeners->push_back(this); } // dtor - Remove object from list of listeners... PassRegistrationListener::~PassRegistrationListener() { + sys::SmartScopedLock<true> Lock(&ListenersLock); std::vector<PassRegistrationListener*>::iterator I = std::find(Listeners->begin(), Listeners->end(), this); assert(Listeners && I != Listeners->end() && |
