src/kernel/activity/SleepImpl.cpp

   1 /* Copyright (c) 2007-2019. 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 "src/kernel/activity/SleepImpl.hpp"
   7 #include "simgrid/Exception.hpp"
   8 #include "simgrid/kernel/resource/Action.hpp"
   9 #include "simgrid/s4u/Host.hpp"
  10 #include "src/kernel/context/Context.hpp"
  11
  12 #include "simgrid/Exception.hpp"
  13 #include "src/simix/ActorImpl.hpp"
  14 #include "src/simix/popping_private.hpp"
  15 #include "src/simix/smx_private.hpp"
  16 #include "src/surf/surf_interface.hpp"
  17
  18 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_process);
  19
  20 void simgrid::kernel::activity::SleepImpl::suspend()
  21 {
  22   surf_action_->suspend();
  23 }
  24
  25 void simgrid::kernel::activity::SleepImpl::resume()
  26 {
  27   surf_action_->resume();
  28 }
  29
  30 void simgrid::kernel::activity::SleepImpl::post()
  31 {
  32   while (not simcalls_.empty()) {
  33     smx_simcall_t simcall = simcalls_.front();
  34     simcalls_.pop_front();
  35     e_smx_state_t result;
  36     if (host && host->is_off()) {
  37       /* If the host running the synchro failed, notice it. This way, the asking
  38        * actor can be killed if it runs on that host itself */
  39       result = SIMIX_SRC_HOST_FAILURE;
  40       simcall->issuer->throw_exception(
  41           std::make_exception_ptr(simgrid::HostFailureException(XBT_THROW_POINT, "Host failed")));
  42     }
  43
  44     switch (surf_action_->get_state()) {
  45       case simgrid::kernel::resource::Action::State::FAILED:
  46         simcall->issuer->context_->iwannadie = true;
  47         result                               = SIMIX_FAILED;
  48         break;
  49
  50       case simgrid::kernel::resource::Action::State::FINISHED:
  51         result = SIMIX_DONE;
  52         break;
  53
  54       default:
  55         THROW_IMPOSSIBLE;
  56         break;
  57     }
  58     if (simcall->issuer->host_->is_off()) {
  59       simcall->issuer->context_->iwannadie = true;
  60     }
  61     simcall_process_sleep__set__result(simcall, result);
  62     simcall->issuer->waiting_synchro = nullptr;
  63     if (simcall->issuer->suspended_) {
  64       XBT_DEBUG("Wait! This process is suspended and can't wake up now.");
  65       simcall->issuer->suspended_ = false;
  66       simcall_HANDLER_process_suspend(simcall, simcall->issuer);
  67     } else {
  68       SIMIX_simcall_answer(simcall);
  69     }
  70   }
  71
  72   SIMIX_process_sleep_destroy(this);
  73 }