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 #include "src/simix/popping_private.hpp"
  12 #include "src/simix/smx_private.hpp"
  13 #include "src/surf/cpu_interface.hpp"
  14 #include "src/surf/surf_interface.hpp"
  15
  16 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_process);
  17 namespace simgrid {
  18 namespace kernel {
  19 namespace activity {
  20
  21 SleepImpl* SleepImpl::start(double duration)
  22 {
  23   surf_action_ = host_->pimpl_cpu->sleep(duration);
  24   surf_action_->set_data(this);
  25   XBT_DEBUG("Create sleep synchronization %p", this);
  26   return this;
  27 }
  28
  29 void SleepImpl::post()
  30 {
  31   while (not simcalls_.empty()) {
  32     smx_simcall_t simcall = simcalls_.front();
  33     simcalls_.pop_front();
  34     e_smx_state_t result;
  35     if (host_ && not host_->is_on()) {
  36       /* If the host running the synchro failed, notice it. This way, the asking
  37        * actor can be killed if it runs on that host itself */
  38       result = SIMIX_SRC_HOST_FAILURE;
  39       simcall->issuer->throw_exception(
  40           std::make_exception_ptr(simgrid::HostFailureException(XBT_THROW_POINT, "Host failed")));
  41     }
  42
  43     switch (surf_action_->get_state()) {
  44       case resource::Action::State::FAILED:
  45         simcall->issuer->context_->iwannadie = true;
  46         result                               = SIMIX_FAILED;
  47         break;
  48
  49       case resource::Action::State::FINISHED:
  50         result = SIMIX_DONE;
  51         break;
  52
  53       default:
  54         THROW_IMPOSSIBLE;
  55     }
  56     if (not simcall->issuer->get_host()->is_on()) {
  57       simcall->issuer->context_->iwannadie = true;
  58     }
  59     simcall_process_sleep__set__result(simcall, result);
  60     simcall->issuer->waiting_synchro = nullptr;
  61     if (simcall->issuer->is_suspended()) {
  62       XBT_DEBUG("Wait! This process is suspended and can't wake up now.");
  63       simcall->issuer->suspended_ = false;
  64       simcall_HANDLER_process_suspend(simcall, simcall->issuer);
  65     } else {
  66       SIMIX_simcall_answer(simcall);
  67     }
  68   }
  69
  70   SIMIX_process_sleep_destroy(this);
  71 }
  72 void SleepImpl::finish()
  73 {
  74   /* FIXME some part of post should move to finish */
  75 }
  76 } // namespace activity
  77 } // namespace kernel
  78 } // namespace simgrid