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