ExceptionTracerLib.cpp File Reference

#include <folly/experimental/exception_tracer/ExceptionTracerLib.h>
#include <dlfcn.h>
#include <vector>
#include <folly/Indestructible.h>
#include <folly/Portability.h>
#include <folly/SharedMutex.h>
#include <folly/Synchronized.h>

Go to the source code of this file.

Namespaces
	__cxxabiv1
	folly
	—— Concurrent Priority Queue Implementation ——
	folly::exception_tracer

Macros
#define	DECLARE_CALLBACK(NAME)

Functions
void	__cxxabiv1::__cxa_throw (void *thrownException, std::type_info *type, void(*destructor)(void *)) __attribute__((__noreturn__))
void *	__cxxabiv1::__cxa_begin_catch (void *excObj) throw ()
void	__cxxabiv1::__cxa_rethrow (void) __attribute__((__noreturn__))
void	__cxxabiv1::__cxa_end_catch (void)
CallbackHolder< CxaThrowType > &	folly::exception_tracer::getCxaThrowCallbacks ()
void	folly::exception_tracer::registerCxaThrowCallback (CxaThrowType callback)
CallbackHolder< CxaBeginCatchType > &	folly::exception_tracer::getCxaBeginCatchCallbacks ()
void	folly::exception_tracer::registerCxaBeginCatchCallback (CxaBeginCatchType callback)
CallbackHolder< CxaRethrowType > &	folly::exception_tracer::getCxaRethrowCallbacks ()
void	folly::exception_tracer::registerCxaRethrowCallback (CxaRethrowType callback)
CallbackHolder< CxaEndCatchType > &	folly::exception_tracer::getCxaEndCatchCallbacks ()
void	folly::exception_tracer::registerCxaEndCatchCallback (CxaEndCatchType callback)
CallbackHolder< RethrowExceptionType > &	folly::exception_tracer::getRethrowExceptionCallbacks ()
void	folly::exception_tracer::registerRethrowExceptionCallback (RethrowExceptionType callback)
void	std::rethrow_exception (std::exception_ptr ep)

Macro Definition Documentation

#define DECLARE_CALLBACK

(

NAME

)

Value:

CallbackHolder<NAME##Type>& get##NAME##Callbacks() {           \
    static Indestructible<CallbackHolder<NAME##Type>> Callbacks; \
    return *Callbacks;                                           \
  }                                                              \
  void register##NAME##Callback(NAME##Type callback) {           \
    get##NAME##Callbacks().registerCallback(callback);           \
  }

Definition at line 71 of file ExceptionTracerLib.cpp.

Function Documentation

void std::rethrow_exception

(

std::exception_ptr

ep

)

Definition at line 144 of file ExceptionTracerLib.cpp.

References folly::exception_tracer::getRethrowExceptionCallbacks(), and std::rethrow_exception().

Referenced by std::rethrow_exception().

                                            {
  // Mangled name for std::rethrow_exception
  // TODO(tudorb): Dicey, as it relies on the fact that std::exception_ptr
  // is typedef'ed to a type in namespace __exception_ptr
  static auto orig_rethrow_exception =
      reinterpret_cast<decltype(&rethrow_exception)>(dlsym(
          RTLD_NEXT,
          "_ZSt17rethrow_exceptionNSt15__exception_ptr13exception_ptrE"));
  getRethrowExceptionCallbacks().invoke(ep);
  orig_rethrow_exception(ep);
  __builtin_unreachable(); // orig_rethrow_exception never returns
}