src/kernel/activity/SleepImpl.cpp

   1 /* Copyright (c) 2007-2023. The SimGrid Team. All rights reserved.          */
   2
   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. */
   5
   6 #include <simgrid/s4u/Host.hpp>
   7
   8 #include "src/kernel/activity/SleepImpl.hpp"
   9 #include "src/kernel/actor/ActorImpl.hpp"
  10 #include "src/kernel/resource/CpuImpl.hpp"
  11
  12 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(ker_actor);
  13
  14 namespace simgrid::kernel::activity {
  15
  16 SleepImpl& SleepImpl::set_host(s4u::Host* host)
  17 {
  18   host_ = host;
  19   return *this;
  20 }
  21
  22 SleepImpl& SleepImpl::set_duration(double duration)
  23 {
  24   duration_ = duration;
  25   return *this;
  26 }
  27
  28 SleepImpl* SleepImpl::start()
  29 {
  30   model_action_ = host_->get_cpu()->sleep(duration_);
  31   model_action_->set_activity(this);
  32   XBT_DEBUG("Create sleep synchronization %p", this);
  33   return this;
  34 }
  35
  36 void SleepImpl::set_exception(actor::ActorImpl* issuer)
  37 {
  38   /* FIXME: Really, nothing bad can happen while we sleep? */
  39 }
  40 void SleepImpl::finish()
  41 {
  42   if (model_action_->get_state() == resource::Action::State::FAILED) {
  43     if (host_ && not host_->is_on())
  44       set_state(State::SRC_HOST_FAILURE);
  45     else
  46       set_state(State::CANCELED);
  47   } else if (model_action_->get_state() == resource::Action::State::FINISHED) {
  48     set_state(State::DONE);
  49   }
  50
  51   clean_action();
  52   XBT_DEBUG("SleepImpl::finish() in state %s", get_state_str());
  53   while (not simcalls_.empty()) {
  54     const actor::Simcall* simcall = simcalls_.front();
  55     simcalls_.pop_front();
  56
  57     simcall->issuer_->waiting_synchro_ = nullptr;
  58     if (simcall->issuer_->is_suspended()) {
  59       XBT_DEBUG("Wait! This actor is suspended and can't wake up now.");
  60       simcall->issuer_->suspended_ = false;
  61       simcall->issuer_->suspend();
  62     } else {
  63       simcall->issuer_->simcall_answer();
  64     }
  65   }
  66 }
  67 } // namespace simgrid::kernel::activity