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Warning, file /DD4hep/DDDigi/src/DigiSemaphore.cpp was not indexed or was modified since last indexation (in which case cross-reference links may be missing, inaccurate or erroneous).
0001 //========================================================================== 0002 // AIDA Detector description implementation 0003 //-------------------------------------------------------------------------- 0004 // Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN) 0005 // All rights reserved. 0006 // 0007 // For the licensing terms see $DD4hepINSTALL/LICENSE. 0008 // For the list of contributors see $DD4hepINSTALL/doc/CREDITS. 0009 // 0010 // Author : M.Frank 0011 // 0012 //========================================================================== 0013 0014 // Framework include files 0015 #include <DDDigi/DigiSemaphore.h> 0016 0017 using namespace dd4hep::digi; 0018 0019 /// Wait until reference count is NULL 0020 std::unique_lock<std::mutex> DigiSemaphore::wait_null() { 0021 std::unique_lock<std::mutex> protect(this->lock); 0022 this->reference_count_is_null.wait(protect, [this] { return this->reference_count == 0; } ); 0023 return protect; 0024 } 0025 0026 /// Aquire semaphore count 0027 void DigiSemaphore::aquire() { 0028 std::lock_guard guard(this->lock); 0029 ++this->reference_count; 0030 } 0031 0032 /// Release semaphore count 0033 void DigiSemaphore::release() { 0034 if ( --this->reference_count == 0 ) 0035 this->reference_count_is_null.notify_one(); 0036 }
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