src/kernel/activity/SynchroIo.cpp

   1 /* Copyright (c) 2007-2016. 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/SynchroIo.hpp"
   7 #include "src/simix/smx_private.h"
   8 #include "src/surf/FileImpl.hpp"
   9 #include "src/surf/StorageImpl.hpp"
  10 #include "src/surf/surf_interface.hpp"
  11
  12 void simgrid::kernel::activity::IoImpl::suspend()
  13 {
  14   if (surf_io)
  15     surf_io->suspend();
  16 }
  17
  18 void simgrid::kernel::activity::IoImpl::resume()
  19 {
  20   if (surf_io)
  21     surf_io->resume();
  22 }
  23
  24 void simgrid::kernel::activity::IoImpl::post()
  25 {
  26   for (smx_simcall_t simcall : simcalls) {
  27     switch (simcall->call) {
  28     case SIMCALL_FILE_OPEN: {
  29       surf_file_t tmp = static_cast<simgrid::surf::StorageAction*>(surf_io)->file_;
  30       simcall_file_open__set__result(simcall, tmp);
  31       break;
  32     }
  33     case SIMCALL_FILE_WRITE:
  34       simcall_file_write__set__result(simcall, surf_io->getCost());
  35       break;
  36
  37     case SIMCALL_FILE_READ:
  38       simcall_file_read__set__result(simcall, surf_io->getCost());
  39       break;
  40
  41     default:
  42       break;
  43     }
  44   }
  45
  46   switch (surf_io->getState()) {
  47
  48     case simgrid::surf::Action::State::failed:
  49       state = SIMIX_FAILED;
  50       break;
  51
  52     case simgrid::surf::Action::State::done:
  53       state = SIMIX_DONE;
  54       break;
  55
  56     default:
  57       THROW_IMPOSSIBLE;
  58       break;
  59   }
  60
  61   SIMIX_io_finish(this);
  62 }