src/systemc/ext/channel/sc_mutex_if.hh

   1 /*
   2  * Copyright 2018 Google, Inc.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met: redistributions of source code must retain the above copyright
   7  * notice, this list of conditions and the following disclaimer;
   8  * redistributions in binary form must reproduce the above copyright
   9  * notice, this list of conditions and the following disclaimer in the
  10  * documentation and/or other materials provided with the distribution;
  11  * neither the name of the copyright holders nor the names of its
  12  * contributors may be used to endorse or promote products derived from
  13  * this software without specific prior written permission.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  16  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  17  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  18  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  19  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  21  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  25  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  *
  27  * Authors: Gabe Black
  28  */
  29
  30 #ifndef __SYSTEMC_EXT_CHANNEL_SC_MUTEX_IF_HH__
  31 #define __SYSTEMC_EXT_CHANNEL_SC_MUTEX_IF_HH__
  32
  33 #include "../core/sc_interface.hh"
  34
  35 namespace sc_core
  36 {
  37
  38 class sc_mutex_if : virtual public sc_interface
  39 {
  40   public:
  41     virtual int lock() = 0;
  42     virtual int trylock() = 0;
  43     virtual int unlock() = 0;
  44
  45   protected:
  46     sc_mutex_if() : sc_interface() {}
  47
  48   private:
  49     // Disabled
  50     sc_mutex_if(const sc_mutex_if &) : sc_interface() {}
  51     sc_mutex_if &operator = (const sc_mutex_if &) { return *this; }
  52 };
  53
  54 } // namespace sc_core
  55
  56 #endif  //__SYSTEMC_EXT_CHANNEL_SC_MUTEX_IF_HH__