///
/// ... no crash was detected ...
/// }
-///
-/// Crash recovery contexts may not be nested.
class CrashRecoveryContext {
void *Impl;
CrashRecoveryContextCleanup *head;
protected:
CrashRecoveryContext *context;
CrashRecoveryContextCleanup(CrashRecoveryContext *context)
- : context(context), cleanupFired(false) {}
+ : context(context), cleanupFired(false) {}
+
public:
bool cleanupFired;
-
+
virtual ~CrashRecoveryContextCleanup();
virtual void recoverResources() = 0;
class CrashRecoveryContextCleanupBase : public CrashRecoveryContextCleanup {
protected:
T *resource;
- CrashRecoveryContextCleanupBase(CrashRecoveryContext *context, T* resource)
- : CrashRecoveryContextCleanup(context), resource(resource) {}
+ CrashRecoveryContextCleanupBase(CrashRecoveryContext *context, T *resource)
+ : CrashRecoveryContextCleanup(context), resource(resource) {}
+
public:
static DERIVED *create(T *x) {
if (x) {
if (CrashRecoveryContext *context = CrashRecoveryContext::GetCurrent())
return new DERIVED(context, x);
}
- return 0;
+ return nullptr;
}
};
CrashRecoveryContextCleanupBase<CrashRecoveryContextDestructorCleanup<T>, T> {
public:
CrashRecoveryContextDestructorCleanup(CrashRecoveryContext *context,
- T *resource)
- : CrashRecoveryContextCleanupBase<
- CrashRecoveryContextDestructorCleanup<T>, T>(context, resource) {}
+ T *resource)
+ : CrashRecoveryContextCleanupBase<
+ CrashRecoveryContextDestructorCleanup<T>, T>(context, resource) {}
virtual void recoverResources() {
this->resource->~T();
CrashRecoveryContextCleanupBase<CrashRecoveryContextReleaseRefCleanup<T>, T>
{
public:
- CrashRecoveryContextReleaseRefCleanup(CrashRecoveryContext *context,
+ CrashRecoveryContextReleaseRefCleanup(CrashRecoveryContext *context,
T *resource)
: CrashRecoveryContextCleanupBase<CrashRecoveryContextReleaseRefCleanup<T>,
T>(context, resource) {}
template <typename T, typename Cleanup = CrashRecoveryContextDeleteCleanup<T> >
class CrashRecoveryContextCleanupRegistrar {
CrashRecoveryContextCleanup *cleanup;
+
public:
CrashRecoveryContextCleanupRegistrar(T *x)
: cleanup(Cleanup::create(x)) {
cleanup->getContext()->registerCleanup(cleanup);
}
- ~CrashRecoveryContextCleanupRegistrar() {
- unregister();
- }
-
+ ~CrashRecoveryContextCleanupRegistrar() { unregister(); }
+
void unregister() {
if (cleanup && !cleanup->cleanupFired)
cleanup->getContext()->unregisterCleanup(cleanup);
- cleanup = 0;
+ cleanup = nullptr;
}
};
-}
+} // end namespace llvm
-#endif
+#endif // LLVM_SUPPORT_CRASHRECOVERYCONTEXT_H