art::SharedException Class Reference

#include <SharedException.h>

Public Member Functions
void	store (std::exception_ptr ex_ptr)
void	store_current ()
template<typename T , typename... Args>
void	store (Args &&...args)
void	throw_if_stored_exception ()

Private Attributes
std::thread::id const	ownerThread_ {std::this_thread::get_id()}
std::atomic< bool >	cachedExceptionStored_ {false}
std::exception_ptr	cachedException_ {}

Detailed Description

Definition at line 18 of file SharedException.h.

Member Function Documentation

void art::SharedException::store ( std::exception_ptr  ex_ptr )

inline

Definition at line 21 of file SharedException.h.

    {
      bool expected = false;
      if (cachedExceptionStored_.compare_exchange_strong(expected, true)) {
        // Put the exception where the main thread can get at it.
        cachedException_ = std::move(ex_ptr);
      }
    }

template<typename T , typename... Args>

void art::SharedException::store ( Args &&...  args )

inline

Definition at line 38 of file SharedException.h.

    {
      store(std::make_exception_ptr(T{std::forward<Args>(args)...}));
    }

void art::SharedException::store_current ( )

inline

Definition at line 31 of file SharedException.h.

    {
      store(std::current_exception());
    }

void art::SharedException::throw_if_stored_exception ( )

inline

Definition at line 44 of file SharedException.h.

    {
      assert(std::this_thread::get_id() == ownerThread_);
      if (cachedExceptionStored_.load()) {
        std::rethrow_exception(cachedException_);
      }
    }

Member Data Documentation

std::exception_ptr art::SharedException::cachedException_ {}

private

Definition at line 55 of file SharedException.h.

std::atomic<bool> art::SharedException::cachedExceptionStored_ {false}

private

Definition at line 54 of file SharedException.h.

std::thread::id const art::SharedException::ownerThread_ {std::this_thread::get_id()}

private

Definition at line 53 of file SharedException.h.

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The documentation for this class was generated from the following file:

• art/art/Framework/Core/SharedException.h