#include "/cvmfs/nova.opensciencegrid.org/externals/cetlib/v3_06_01/source/cetlib/assert_only_one_thread.h"

Public Member Functions
	Sentry (ThreadCounter &tc, bool const terminate=true)

	~Sentry () noexcept

Private Attributes
ThreadCounter &	tc_

bool const	terminate_

std::mutex	m_ {}

Detailed Description

Definition at line 46 of file assert_only_one_thread.h.

Constructor & Destructor Documentation

cet::detail::ThreadCounter::Sentry::Sentry	(	ThreadCounter &	tc,
		bool const	terminate = `true`
	)

inline

Definition at line 48 of file assert_only_one_thread.h.

References om::cerr, and submit_hadd::u.

         : tc_{tc}, terminate_{terminate}
       {
         if (++tc_.counter_ != 1u) {
           // Do not guard the abort!
           {
             std::lock_guard<decltype(m_)> hold{m_};
             std::cerr
               << "Failed assert--more than one thread accessing location:\n"
               << "  " << tc_.filename_ << ':' << tc_.linenum_ << '\n'
               << "  function: " << tc_.funcname_ << '\n';
           }
           if (terminate_) {
             std::abort();
           }
         }
       }