Quantum Leaps
Dining Philosophers Problem (DPP) example for the QP active object framework. Demonstrates: event-driven programming, hierarchical state machines in C++, modeling and graphical state machine design, code generation, preemptive multitasking, software tracing, power saving mode, direct event posting, publish-subscribe. More information available in the [[/users/QL/notebook|Quantum Leaps Notebook pages]]. See also [[http://www.state-machine.com|state-machine.com]].
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dpp.h
00001 ////////////////////////////////////////////////////////////////////////////// 00002 // Model: dpp.qm 00003 // File: ././dpp.h 00004 // 00005 // This file has been generated automatically by QP Modeler (QM). 00006 // DO NOT EDIT THIS FILE MANUALLY. 00007 // 00008 // Please visit www.state-machine.com/qm for more information. 00009 ////////////////////////////////////////////////////////////////////////////// 00010 #ifndef dpp_h 00011 #define dpp_h 00012 00013 namespace DPP { 00014 00015 enum DPPSignals { 00016 EAT_SIG = QP::Q_USER_SIG, // published by Table to let a philosopher eat 00017 DONE_SIG, // published by Philosopher when done eating 00018 PAUSE_SIG, // published by BSP to pause the application 00019 TERMINATE_SIG, // published by BSP to terminate the application 00020 MAX_PUB_SIG, // the last published signal 00021 00022 HUNGRY_SIG, // posted direclty to Table from hungry Philo 00023 MAX_SIG // the last signal 00024 }; 00025 00026 // @(/1/0) ................................................................... 00027 class TableEvt : public QP::QEvt { 00028 public: 00029 uint8_t philoNum; 00030 }; 00031 00032 // number of philosophers 00033 #define N_PHILO ((uint8_t)5) 00034 00035 extern QP::QActive * const AO_Philo[N_PHILO]; 00036 extern QP::QActive * const AO_Table; 00037 00038 } // namespace DPP 00039 00040 #endif // dpp_h
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