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/ActorImpl.hpp"
  12 #include "src/simix/popping_private.hpp"
  13 #include "src/simix/smx_private.hpp"
  14 #include "src/surf/cpu_interface.hpp"
  15 #include "src/surf/surf_interface.hpp"
  16
  17 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_process);
  18 namespace simgrid {
  19 namespace kernel {
  20 namespace activity {
  21
  22 SleepImpl::~SleepImpl()
  23 {
  24   if (surf_action_)
  25     surf_action_->unref();
  26   XBT_DEBUG("Destroy activity %p", this);
  27 }
  28
  29 SleepImpl* SleepImpl::start(double duration)
  30 {
  31   surf_action_ = host_->pimpl_cpu->sleep(duration);
  32   surf_action_->set_data(this);
  33   XBT_DEBUG("Create sleep synchronization %p", this);
  34   return this;
  35 }
  36
  37 void SleepImpl::post()
  38 {
  39   while (not simcalls_.empty()) {
  40     smx_simcall_t simcall = simcalls_.front();
  41     simcalls_.pop_front();
  42     e_smx_state_t result;
  43     if (host_ && not host_->is_on()) {
  44       /* If the host running the synchro failed, notice it. This way, the asking
  45        * actor can be killed if it runs on that host itself */
  46       result = SIMIX_SRC_HOST_FAILURE;
  47       simcall->issuer->throw_exception(
  48           std::make_exception_ptr(simgrid::HostFailureException(XBT_THROW_POINT, "Host failed")));
  49     }
  50
  51     switch (surf_action_->get_state()) {
  52       case resource::Action::State::FAILED:
  53         simcall->issuer->context_->iwannadie = true;
  54         result                               = SIMIX_FAILED;
  55         break;
  56
  57       case resource::Action::State::FINISHED:
  58         result = SIMIX_DONE;
  59         break;
  60
  61       default:
  62         THROW_IMPOSSIBLE;
  63     }
  64     if (not simcall->issuer->get_host()->is_on()) {
  65       simcall->issuer->context_->iwannadie = true;
  66     }
  67     simcall_process_sleep__set__result(simcall, result);
  68     simcall->issuer->waiting_synchro = nullptr;
  69     if (simcall->issuer->is_suspended()) {
  70       XBT_DEBUG("Wait! This process is suspended and can't wake up now.");
  71       simcall->issuer->suspended_ = false;
  72       simcall_HANDLER_process_suspend(simcall, simcall->issuer);
  73     } else {
  74       SIMIX_simcall_answer(simcall);
  75     }
  76   }
  77
  78   SIMIX_process_sleep_destroy(this);
  79 }
  80 void SleepImpl::finish()
  81 {
  82   /* FIXME some part of post should move to finish */
  83 }
  84 } // namespace activity
  85 } // namespace kernel
  86 } // namespace simgrid