src/kernel/activity/SleepImpl.cpp

   1 /* Copyright (c) 2007-2017. 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/context/Context.hpp"
  10 #include "src/kernel/resource/Action.hpp"
  11
  12 #include "src/simix/ActorImpl.hpp"
  13 #include "src/simix/popping_private.hpp"
  14 #include "src/surf/surf_interface.hpp"
  15
  16 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_process);
  17
  18 void simgrid::kernel::activity::SleepImpl::suspend()
  19 {
  20   surf_sleep->suspend();
  21 }
  22
  23 void simgrid::kernel::activity::SleepImpl::resume()
  24 {
  25   surf_sleep->resume();
  26 }
  27
  28 void simgrid::kernel::activity::SleepImpl::post()
  29 {
  30   while (not simcalls.empty()) {
  31     smx_simcall_t simcall = simcalls.front();
  32     simcalls.pop_front();
  33
  34     e_smx_state_t result;
  35     switch (surf_sleep->getState()) {
  36       case simgrid::kernel::resource::Action::State::failed:
  37         simcall->issuer->context->iwannadie = 1;
  38         result                              = SIMIX_SRC_HOST_FAILURE;
  39         break;
  40
  41       case simgrid::kernel::resource::Action::State::done:
  42         result = SIMIX_DONE;
  43         break;
  44
  45       default:
  46         THROW_IMPOSSIBLE;
  47         break;
  48     }
  49     if (simcall->issuer->host->isOff()) {
  50       simcall->issuer->context->iwannadie = 1;
  51     }
  52     simcall_process_sleep__set__result(simcall, result);
  53     simcall->issuer->waiting_synchro = nullptr;
  54     if (simcall->issuer->suspended) {
  55       XBT_DEBUG("Wait! This process is suspended and can't wake up now.");
  56       simcall->issuer->suspended = 0;
  57       simcall_HANDLER_process_suspend(simcall, simcall->issuer);
  58     } else {
  59       SIMIX_simcall_answer(simcall);
  60     }
  61   }
  62
  63   SIMIX_process_sleep_destroy(this);
  64 }