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