| /***************************************************************************** |
| |
| Licensed to Accellera Systems Initiative Inc. (Accellera) under one or |
| more contributor license agreements. See the NOTICE file distributed |
| with this work for additional information regarding copyright ownership. |
| Accellera licenses this file to you under the Apache License, Version 2.0 |
| (the "License"); you may not use this file except in compliance with the |
| License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or |
| implied. See the License for the specific language governing |
| permissions and limitations under the License. |
| |
| *****************************************************************************/ |
| |
| /***************************************************************************** |
| |
| sc_cor_fiber.h -- Coroutine implementation with fibers. |
| |
| Original Author: Martin Janssen, Synopsys, Inc., 2001-12-18 |
| |
| CHANGE LOG AT THE END OF THE FILE |
| *****************************************************************************/ |
| |
| |
| #ifndef SC_COR_FIBER_H |
| #define SC_COR_FIBER_H |
| |
| #if defined(_WIN32) || defined(WIN32) || defined(WIN64) |
| |
| #include "sysc/kernel/sc_cor.h" |
| #include "sysc/kernel/sc_cmnhdr.h" |
| |
| #if defined(__GNUC__) && __USING_SJLJ_EXCEPTIONS__ |
| // _Unwind_SjLj_Register() & _Unwind_SjLj_Unregister() only need first field. |
| struct SjLj_Function_Context { |
| struct SjLj_Function_Context *prev; |
| }; |
| #endif |
| |
| namespace sc_core { |
| |
| class sc_cor_pkg_fiber; |
| typedef sc_cor_pkg_fiber sc_cor_pkg_t; |
| |
| #if( defined(_MSC_VER) && _MSC_VER >= 1300 ) |
| typedef std::size_t size_t; |
| #endif |
| |
| // ---------------------------------------------------------------------------- |
| // CLASS : sc_cor_fiber |
| // |
| // Coroutine class implemented with QuickThreads. |
| // ---------------------------------------------------------------------------- |
| |
| class sc_cor_fiber |
| : public sc_cor |
| { |
| |
| public: |
| |
| // constructor |
| sc_cor_fiber() |
| : m_stack_size( 0 ), m_fiber( 0 ), m_pkg( 0 ) |
| { |
| # if defined(__GNUC__) && __USING_SJLJ_EXCEPTIONS__ |
| m_eh.prev = 0; |
| # endif |
| } |
| |
| // destructor |
| virtual ~sc_cor_fiber(); |
| |
| public: |
| |
| std::size_t m_stack_size; // stack size |
| void* m_fiber; // fiber |
| |
| sc_cor_pkg_fiber* m_pkg; // the creating coroutine package |
| #if defined(__GNUC__) && __USING_SJLJ_EXCEPTIONS__ |
| struct SjLj_Function_Context m_eh; // the exception handling context |
| #endif |
| |
| |
| private: |
| |
| // disabled |
| sc_cor_fiber( const sc_cor_fiber& ); |
| sc_cor_fiber& operator = ( const sc_cor_fiber& ); |
| }; |
| |
| |
| // ---------------------------------------------------------------------------- |
| // CLASS : sc_cor_pkg_fiber |
| // |
| // Coroutine package class implemented with QuickThreads. |
| // ---------------------------------------------------------------------------- |
| |
| class sc_cor_pkg_fiber |
| : public sc_cor_pkg |
| { |
| public: |
| |
| // constructor |
| sc_cor_pkg_fiber( sc_simcontext* simc ); |
| |
| // destructor |
| virtual ~sc_cor_pkg_fiber(); |
| |
| // create a new coroutine |
| virtual sc_cor* create( std::size_t stack_size, sc_cor_fn* fn, void* arg ); |
| |
| // yield to the next coroutine |
| virtual void yield( sc_cor* next_cor ); |
| |
| // abort the current coroutine (and resume the next coroutine) |
| virtual void abort( sc_cor* next_cor ); |
| |
| // get the main coroutine |
| virtual sc_cor* get_main(); |
| |
| private: |
| |
| static int instance_count; |
| |
| private: |
| |
| // disabled |
| sc_cor_pkg_fiber(); |
| sc_cor_pkg_fiber( const sc_cor_pkg_fiber& ); |
| sc_cor_pkg_fiber& operator = ( const sc_cor_pkg_fiber& ); |
| }; |
| |
| } // namespace sc_core |
| |
| #endif // WIN32 |
| |
| // $Log: sc_cor_fiber.h,v $ |
| // Revision 1.6 2011/08/26 20:46:09 acg |
| // Andy Goodrich: moved the modification log to the end of the file to |
| // eliminate source line number skew when check-ins are done. |
| // |
| // Revision 1.5 2011/06/25 17:08:39 acg |
| // Andy Goodrich: Jerome Cornet's changes to use libtool to build the |
| // library. |
| // |
| // Revision 1.4 2011/02/18 20:27:14 acg |
| // Andy Goodrich: Updated Copyrights. |
| // |
| // Revision 1.3 2011/02/13 21:47:37 acg |
| // Andy Goodrich: update copyright notice. |
| // |
| // Revision 1.2 2008/05/22 17:06:25 acg |
| // Andy Goodrich: updated copyright notice to include 2008. |
| // |
| // Revision 1.1.1.1 2006/12/15 20:20:05 acg |
| // SystemC 2.3 |
| // |
| // Revision 1.3 2006/01/13 18:44:29 acg |
| // Added $Log to record CVS changes into the source. |
| // |
| |
| #endif |
| |
| // Taf! |