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Diffstat (limited to 'ext/systemc/src/sysc/kernel/sc_cor_fiber.h')
| -rw-r--r-- | ext/systemc/src/sysc/kernel/sc_cor_fiber.h | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/ext/systemc/src/sysc/kernel/sc_cor_fiber.h b/ext/systemc/src/sysc/kernel/sc_cor_fiber.h new file mode 100644 index 000000000..96163f497 --- /dev/null +++ b/ext/systemc/src/sysc/kernel/sc_cor_fiber.h @@ -0,0 +1,169 @@ +/***************************************************************************** + + 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! |