sc_semaphore.hh revision 12841
1892SN/A/*
21762SN/A * Copyright 2018 Google, Inc.
3892SN/A *
4892SN/A * Redistribution and use in source and binary forms, with or without
5892SN/A * modification, are permitted provided that the following conditions are
6892SN/A * met: redistributions of source code must retain the above copyright
7892SN/A * notice, this list of conditions and the following disclaimer;
8892SN/A * redistributions in binary form must reproduce the above copyright
9892SN/A * notice, this list of conditions and the following disclaimer in the
10892SN/A * documentation and/or other materials provided with the distribution;
11892SN/A * neither the name of the copyright holders nor the names of its
12892SN/A * contributors may be used to endorse or promote products derived from
13892SN/A * this software without specific prior written permission.
14892SN/A *
15892SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16892SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17892SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18892SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19892SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20892SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21892SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22892SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23892SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24892SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25892SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26892SN/A *
272665Ssaidi@eecs.umich.edu * Authors: Gabe Black
282665Ssaidi@eecs.umich.edu */
29892SN/A
30802SN/A#ifndef __SYSTEMC_EXT_CHANNEL_SC_SEMAPHORE_HH__
311722SN/A#define __SYSTEMC_EXT_CHANNEL_SC_SEMAPHORE_HH__
32802SN/A
33802SN/A#include "../core/sc_object.hh"
34802SN/A#include "sc_semaphore_if.hh"
35802SN/A
36802SN/Anamespace sc_core
37802SN/A{
38802SN/A
39802SN/Aclass sc_semaphore : public sc_semaphore_if, public sc_object
406658Snate@binkert.org{
41802SN/A  public:
421310SN/A    explicit sc_semaphore(int);
432542SN/A    sc_semaphore(const char *name, int);
444762Snate@binkert.org
45802SN/A    virtual int wait();
46802SN/A    virtual int trywait();
47802SN/A    virtual int post();
482107SN/A    virtual int get_value() const;
49802SN/A
502539SN/A    virtual const char *kind() const;
514762Snate@binkert.org
52802SN/A  private:
533846Shsul@eecs.umich.edu    // Disabled
54802SN/A    sc_semaphore(const sc_semaphore &) :
55802SN/A            sc_interface(), sc_semaphore_if(), sc_object()
56909SN/A    {}
573349Sbinkertn@umich.edu
58909SN/A    sc_semaphore &operator = (const sc_semaphore &) { return *this; }
592539SN/A};
603918Ssaidi@eecs.umich.edu
612539SN/A} // namespace sc_core
622539SN/A
632539SN/A#endif  //__SYSTEMC_EXT_CHANNEL_SC_SEMAPHORE_HH__
643349Sbinkertn@umich.edu