00001 /***************************************************************************** 00002 00003 The following code is derived, directly or indirectly, from the SystemC 00004 source code Copyright (c) 1996-2005 by all Contributors. 00005 All Rights reserved. 00006 00007 The contents of this file are subject to the restrictions and limitations 00008 set forth in the SystemC Open Source License Version 2.4 (the "License"); 00009 You may not use this file except in compliance with such restrictions and 00010 limitations. You may obtain instructions on how to receive a copy of the 00011 License at http://www.systemc.org/. Software distributed by Contributors 00012 under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF 00013 ANY KIND, either express or implied. See the License for the specific 00014 language governing rights and limitations under the License. 00015 00016 *****************************************************************************/ 00017 00018 /***************************************************************************** 00019 00020 sc_runnable.h -- 00021 00022 Original Author: Martin Janssen, Synopsys, Inc., 2001-05-21 00023 00024 *****************************************************************************/ 00025 00026 /***************************************************************************** 00027 00028 MODIFICATION LOG - modifiers, enter your name, affiliation, date and 00029 changes you are making here. 00030 00031 Name, Affiliation, Date: Andy Goodrich, 30 June 2003, Forte Design Systems 00032 Description of Modification: Total rewrite using linked list rather than 00033 fixed vector. 00034 00035 00036 Name, Affiliation, Date: Bishnupriya Bhattacharya, Cadence Design Systems, 00037 25 August, 2003 00038 Description of Modification: Add tail pointers for m_methods_push and 00039 m_threads_push to maintain the same scheduler 00040 ordering as 2.0.1 00041 00042 *****************************************************************************/ 00043 00044 #ifndef SC_RUNNABLE_H 00045 #define SC_RUNNABLE_H 00046 00047 00048 #include "sysc/kernel/sc_process_b.h" 00049 00050 namespace sc_core { 00051 00052 //============================================================================= 00053 // CLASS : sc_runnable 00054 // 00055 // Class that manages the ready-to-run queues. 00056 //============================================================================= 00057 00058 class sc_runnable 00059 { 00060 00061 public: 00062 sc_runnable(); 00063 ~sc_runnable(); 00064 00065 inline void init(); 00066 inline void toggle(); 00067 00068 inline void remove_method( sc_method_handle ); 00069 inline void remove_thread( sc_thread_handle ); 00070 00071 inline void push_back_method( sc_method_handle ); 00072 inline void push_back_thread( sc_thread_handle ); 00073 inline void push_front_method( sc_method_handle ); 00074 inline void push_front_thread( sc_thread_handle ); 00075 00076 inline bool is_empty() const; 00077 00078 inline sc_method_handle pop_method(); 00079 inline sc_thread_handle pop_thread(); 00080 00081 private: 00082 sc_method_handle m_methods_push_head; 00083 sc_method_handle m_methods_push_tail; 00084 sc_method_handle m_methods_pop; 00085 sc_thread_handle m_threads_push_head; 00086 sc_thread_handle m_threads_push_tail; 00087 sc_thread_handle m_threads_pop; 00088 00089 private: 00090 // disabled 00091 sc_runnable( const sc_runnable& ); 00092 sc_runnable& operator = ( const sc_runnable& ); 00093 }; 00094 00095 } // namespace sc_core 00096 00097 #endif 00098 00099 // Taf!
1.5.1