diff options
Diffstat (limited to 'ext/systemc/src/sysc/communication/sc_semaphore_if.h')
-rw-r--r-- | ext/systemc/src/sysc/communication/sc_semaphore_if.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/ext/systemc/src/sysc/communication/sc_semaphore_if.h b/ext/systemc/src/sysc/communication/sc_semaphore_if.h new file mode 100644 index 000000000..b0839e40a --- /dev/null +++ b/ext/systemc/src/sysc/communication/sc_semaphore_if.h @@ -0,0 +1,100 @@ +/***************************************************************************** + + 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_semaphore_if.h -- The sc_semaphore_if interface class. + + Original Author: Martin Janssen, Synopsys, Inc., 2001-05-21 + + CHANGE LOG IS AT THE END OF THE FILE + *****************************************************************************/ + +#ifndef SC_SEMAPHORE_IF_H +#define SC_SEMAPHORE_IF_H + +#include "sysc/communication/sc_interface.h" + +namespace sc_core { + +// ---------------------------------------------------------------------------- +// CLASS : sc_semaphore_if +// +// The sc_semaphore_if interface class. +// ---------------------------------------------------------------------------- + +class sc_semaphore_if +: virtual public sc_interface +{ +public: + + // the classical operations: wait(), trywait(), and post() + + // lock (take) the semaphore, block if not available + virtual int wait() = 0; + + // lock (take) the semaphore, return -1 if not available + virtual int trywait() = 0; + + // unlock (give) the semaphore + virtual int post() = 0; + + // get the value of the semphore + virtual int get_value() const = 0; + +protected: + + // constructor + + sc_semaphore_if() + {} + +private: + + // disabled + sc_semaphore_if( const sc_semaphore_if& ); + sc_semaphore_if& operator = ( const sc_semaphore_if& ); +}; + +} // namespace sc_core + +//$Log: sc_semaphore_if.h,v $ +//Revision 1.3 2011/08/26 20:45:42 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 1.2 2011/02/18 20:23:45 acg +// Andy Goodrich: Copyright update. +// +//Revision 1.1.1.1 2006/12/15 20:20:04 acg +//SystemC 2.3 +// +//Revision 1.2 2006/01/03 23:18:26 acg +//Changed copyright to include 2006. +// +//Revision 1.1.1.1 2005/12/19 23:16:43 acg +//First check in of SystemC 2.1 into its own archive. +// +//Revision 1.8 2005/06/10 22:43:55 acg +//Added CVS change log annotation. +// + +#endif + +// Taf! |