src/kernel/activity/SleepImpl.cpp

   1 /* Copyright (c) 2007-2018. 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 "simgrid/kernel/resource/Action.hpp"
   9 #include "src/kernel/activity/SleepImpl.hpp"
  10 #include "src/kernel/context/Context.hpp"
  11
  12 #include "src/simix/ActorImpl.hpp"
  13 #include "src/simix/popping_private.hpp"
  14 #include "src/simix/smx_private.hpp"
  15 #include "src/surf/surf_interface.hpp"
  16 #include "xbt/ex.hpp"
  17
  18 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_process);
  19
  20 void simgrid::kernel::activity::SleepImpl::suspend()
  21 {
  22   surf_sleep->suspend();
  23 }
  24
  25 void simgrid::kernel::activity::SleepImpl::resume()
  26 {
  27   surf_sleep->resume();
  28 }
  29
  30 void simgrid::kernel::activity::SleepImpl::post()
  31 {
  32   while (not simcalls_.empty()) {
  33     smx_simcall_t simcall = simcalls_.front();
  34     simcalls_.pop_front();
  35     e_smx_state_t result;
  36     if (host && host->is_off()) {
  37       /* If the host running the synchro failed, notice it. This way, the asking
  38        * actor can be killed if it runs on that host itself */
  39       result = SIMIX_SRC_HOST_FAILURE;
  40       SMX_EXCEPTION(simcall->issuer, host_error, 0, "Host failed");
  41     }
  42
  43     switch (surf_sleep->get_state()) {
  44       case simgrid::kernel::resource::Action::State::FAILED:
  45         simcall->issuer->context_->iwannadie = 1;
  46         result                               = SIMIX_FAILED;
  47         break;
  48
  49       case simgrid::kernel::resource::Action::State::FINISHED:
  50         result = SIMIX_DONE;
  51         break;
  52
  53       default:
  54         THROW_IMPOSSIBLE;
  55         break;
  56     }
  57     if (simcall->issuer->host_->is_off()) {
  58       simcall->issuer->context_->iwannadie = 1;
  59     }
  60     simcall_process_sleep__set__result(simcall, result);
  61     simcall->issuer->waiting_synchro = nullptr;
  62     if (simcall->issuer->suspended_) {
  63       XBT_DEBUG("Wait! This process is suspended and can't wake up now.");
  64       simcall->issuer->suspended_ = 0;
  65       simcall_HANDLER_process_suspend(simcall, simcall->issuer);
  66     } else {
  67       SIMIX_simcall_answer(simcall);
  68     }
  69   }
  70
  71   SIMIX_process_sleep_destroy(this);
  72 }