diff options
Diffstat (limited to 'include/llvm/Support/CrashRecoveryContext.h')
-rw-r--r-- | include/llvm/Support/CrashRecoveryContext.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/llvm/Support/CrashRecoveryContext.h b/include/llvm/Support/CrashRecoveryContext.h index 4c0a5e26f0..4500efe7b8 100644 --- a/include/llvm/Support/CrashRecoveryContext.h +++ b/include/llvm/Support/CrashRecoveryContext.h @@ -46,6 +46,17 @@ class CrashRecoveryContext { void *Impl; CrashRecoveryContextCleanup *head; + /// An adaptor to convert an arbitrary functor into a void(void*), void* pair. + template<typename T> struct FunctorAdaptor { + T Fn; + static void invoke(void *Data) { + return static_cast<FunctorAdaptor<T>*>(Data)->Fn(); + } + typedef void Callback(void*); + Callback *fn() { return &invoke; } + void *arg() { return this; } + }; + public: CrashRecoveryContext() : Impl(0), head(0) {} ~CrashRecoveryContext(); @@ -76,6 +87,11 @@ public: /// RunSafely has returned false. Clients can use getBacktrace() to retrieve /// the backtrace of the crash on failures. bool RunSafely(void (*Fn)(void*), void *UserData); + template<typename Functor> + bool RunSafely(Functor Fn) { + FunctorAdaptor<Functor> Adaptor = { Fn }; + return RunSafely(Adaptor.fn(), Adaptor.arg()); + } /// \brief Execute the provide callback function (with the given arguments) in /// a protected context which is run in another thread (optionally with a @@ -84,6 +100,11 @@ public: /// See RunSafely() and llvm_execute_on_thread(). bool RunSafelyOnThread(void (*Fn)(void*), void *UserData, unsigned RequestedStackSize = 0); + template<typename Functor> + bool RunSafelyOnThread(Functor Fn, unsigned RequestedStackSize = 0) { + FunctorAdaptor<Functor> Adaptor = { Fn }; + return RunSafelyOnThread(Adaptor.fn(), Adaptor.arg(), RequestedStackSize); + } /// \brief Explicitly trigger a crash recovery in the current process, and /// return failure from RunSafely(). This function does not return. |