1 /* Copyright (c) 2006-2021. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
8 #include "simgrid/Exception.hpp"
9 #include "simgrid/s4u/Activity.hpp"
10 #include "simgrid/s4u/Engine.hpp"
11 #include "simgrid/s4u/Exec.hpp"
12 #include "simgrid/s4u/Io.hpp"
13 #include "src/kernel/activity/ActivityImpl.hpp"
14 #include "src/kernel/actor/ActorImpl.hpp"
15 #include "src/kernel/actor/SimcallObserver.hpp"
17 XBT_LOG_EXTERNAL_CATEGORY(s4u);
18 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(s4u_activity, s4u, "S4U activities");
23 void Activity::wait_until(double time_limit)
25 double now = Engine::get_clock();
27 wait_for(time_limit - now);
30 Activity* Activity::wait_for(double timeout)
32 if (state_ == State::INITED)
35 if (state_ == State::FAILED) {
36 if (dynamic_cast<Exec*>(this))
37 throw HostFailureException(XBT_THROW_POINT, "Cannot wait for a failed exec");
38 if (dynamic_cast<Io*>(this))
39 throw StorageFailureException(XBT_THROW_POINT, "Cannot wait for a failed I/O");
42 kernel::actor::ActorImpl* issuer = kernel::actor::ActorImpl::self();
43 kernel::actor::ActivityWaitSimcall observer{issuer, pimpl_.get(), timeout};
44 if (kernel::actor::simcall_blocking(
45 [&observer] { observer.get_activity()->wait_for(observer.get_issuer(), observer.get_timeout()); }, &observer))
46 throw TimeoutException(XBT_THROW_POINT, "Timeouted");
47 complete(State::FINISHED);
53 xbt_assert(state_ == State::INITED || state_ == State::STARTED || state_ == State::STARTING ||
54 state_ == State::CANCELED || state_ == State::FINISHED);
56 if (state_ == State::CANCELED || state_ == State::FINISHED)
59 if (state_ == State::INITED || state_ == State::STARTING)
60 this->vetoable_start();
62 if (kernel::actor::simcall([this] { return this->get_impl()->test(); })) {
63 complete(State::FINISHED);
70 Activity* Activity::cancel()
72 kernel::actor::simcall([this] {
76 complete(State::CANCELED);
80 Activity* Activity::suspend()
83 return this; // Already suspended
86 if (state_ == State::STARTED)
92 Activity* Activity::resume()
95 return this; // nothing to restore when it's not suspended
97 if (state_ == State::STARTED)
103 const char* Activity::get_state_str() const
105 return to_c_str(state_);
108 double Activity::get_remaining() const
110 if (state_ == State::INITED || state_ == State::STARTING)
113 return pimpl_->get_remaining();
116 Activity* Activity::set_remaining(double remains)
118 xbt_assert(state_ == State::INITED, "Cannot change the remaining amount of work once the Activity is started");
124 } // namespace simgrid