sc_runnable.h revision 12027
1/***************************************************************************** 2 3 Licensed to Accellera Systems Initiative Inc. (Accellera) under one or 4 more contributor license agreements. See the NOTICE file distributed 5 with this work for additional information regarding copyright ownership. 6 Accellera licenses this file to you under the Apache License, Version 2.0 7 (the "License"); you may not use this file except in compliance with the 8 License. You may obtain a copy of the License at 9 10 http://www.apache.org/licenses/LICENSE-2.0 11 12 Unless required by applicable law or agreed to in writing, software 13 distributed under the License is distributed on an "AS IS" BASIS, 14 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 15 implied. See the License for the specific language governing 16 permissions and limitations under the License. 17 18 *****************************************************************************/ 19 20/***************************************************************************** 21 22 sc_runnable.h -- 23 24 Original Author: Martin Janssen, Synopsys, Inc., 2001-05-21 25 26 CHANGE LOG AT THE END OF THE FILE 27 *****************************************************************************/ 28 29 30#ifndef SC_RUNNABLE_H 31#define SC_RUNNABLE_H 32 33 34#include "sysc/kernel/sc_process.h" 35 36namespace sc_core { 37 38//============================================================================= 39// CLASS : sc_runnable 40// 41// Class that manages the ready-to-run queues. 42//============================================================================= 43 44class sc_runnable 45{ 46 47 public: 48 sc_runnable(); 49 ~sc_runnable(); 50 51 inline void init(); 52 inline void toggle_methods(); 53 inline void toggle_threads(); 54 55 inline void remove_method( sc_method_handle ); 56 inline void remove_thread( sc_thread_handle ); 57 58 inline void execute_method_next( sc_method_handle ); 59 inline void execute_thread_next( sc_thread_handle ); 60 61 inline void push_back_method( sc_method_handle ); 62 inline void push_back_thread( sc_thread_handle ); 63 inline void push_front_method( sc_method_handle ); 64 inline void push_front_thread( sc_thread_handle ); 65 66 inline bool is_initialized() const; 67 inline bool is_empty() const; 68 69 inline sc_method_handle pop_method(); 70 inline sc_thread_handle pop_thread(); 71 72 public: // diagnostics: 73 void dump() const; 74 75 private: 76 sc_method_handle m_methods_push_head; 77 sc_method_handle m_methods_push_tail; 78 sc_method_handle m_methods_pop; 79 sc_thread_handle m_threads_push_head; 80 sc_thread_handle m_threads_push_tail; 81 sc_thread_handle m_threads_pop; 82 83 private: 84 // disabled 85 sc_runnable( const sc_runnable& ); 86 sc_runnable& operator = ( const sc_runnable& ); 87}; 88 89} // namespace sc_core 90 91#endif 92 93/***************************************************************************** 94 95 MODIFICATION LOG - modifiers, enter your name, affiliation, date and 96 changes you are making here. 97 98 Name, Affiliation, Date: Andy Goodrich, 30 June 2003, Forte Design Systems 99 Description of Modification: Total rewrite using linked list rather than 100 fixed vector. 101 102 103 Name, Affiliation, Date: Bishnupriya Bhattacharya, Cadence Design Systems, 104 25 August, 2003 105 Description of Modification: Add tail pointers for m_methods_push and 106 m_threads_push to maintain the same scheduler 107 ordering as 2.0.1 108 109 *****************************************************************************/ 110 111// $Log: sc_runnable.h,v $ 112// Revision 1.9 2011/08/26 20:46:10 acg 113// Andy Goodrich: moved the modification log to the end of the file to 114// eliminate source line number skew when check-ins are done. 115// 116// Revision 1.8 2011/04/08 18:26:07 acg 117// Andy Goodrich: added execute_method_next() to handle method dispatch 118// for asynchronous notifications that occur outside the evaluation phase. 119// 120// Revision 1.7 2011/02/18 20:27:14 acg 121// Andy Goodrich: Updated Copyrights. 122// 123// Revision 1.6 2011/02/13 21:47:38 acg 124// Andy Goodrich: update copyright notice. 125// 126// Revision 1.5 2011/02/02 06:37:03 acg 127// Andy Goodrich: removed toggle() method since it is no longer used. 128// 129// Revision 1.4 2011/02/01 21:09:13 acg 130// Andy Goodrich: addition of toggle_methods() and toggle_threads() calls. 131// 132// Revision 1.3 2011/01/25 20:50:37 acg 133// Andy Goodrich: changes for IEEE 1666 2011. 134// 135// Revision 1.2 2008/05/22 17:06:26 acg 136// Andy Goodrich: updated copyright notice to include 2008. 137// 138// Revision 1.1.1.1 2006/12/15 20:20:05 acg 139// SystemC 2.3 140// 141// Revision 1.3 2006/01/13 18:44:30 acg 142// Added $Log to record CVS changes into the source. 143 144// Taf! 145