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

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27 * Authors: Gabe Black
28 */
29
30#include "base/logging.hh"
31#include "systemc/core/process.hh"
32#include "systemc/ext/core/sc_event.hh"
33#include "systemc/ext/core/sc_join.hh"
34#include "systemc/ext/core/sc_module.hh"
35#include "systemc/ext/utils/sc_report_handler.hh"
36
37namespace sc_core
38{
39
40sc_join::sc_join() : remaining(0) {}
41
42void
43sc_join::add_process(sc_process_handle h)
44{
45 auto p = (::sc_gem5::Process *)h;
46 assert(p);
47
48 if (p->procKind() == SC_METHOD_PROC_) {
49 SC_REPORT_ERROR("(E561) Attempt to register method process "
50 "with sc_join object", "");
51 return;
52 }
53
54 remaining++;
55 p->joinWait(this);
56}
57
58int sc_join::process_count() { return remaining; }
59void sc_join::signal() { if (!--remaining) joinEvent.notify(); }
60void sc_join::wait() { ::sc_core::wait(joinEvent); }
61void sc_join::wait_clocked() { do { ::sc_core::wait(); } while (remaining); }
62
63} // namespace sc_core