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/surf/surf_interface.hpp"
   8 #include "src/simix/popping_private.h"
   9 #include "src/simix/smx_private.h"
  10
  11 void simgrid::kernel::activity::Io::suspend()
  12 {
  13   if (surf_io)
  14     surf_io->suspend();
  15 }
  16
  17 void simgrid::kernel::activity::Io::resume()
  18 {
  19   if (surf_io)
  20     surf_io->resume();
  21 }
  22
  23 void simgrid::kernel::activity::Io::post()
  24 {
  25   for (smx_simcall_t simcall : simcalls) {
  26     switch (simcall->call) {
  27     case SIMCALL_FILE_OPEN: {
  28       smx_file_t tmp = xbt_new(s_smx_file_t,1);
  29       tmp->surf_file = surf_storage_action_get_file(surf_io);
  30       simcall_file_open__set__result(simcall, tmp);
  31       break;
  32     }
  33     case SIMCALL_FILE_CLOSE:
  34       xbt_free(simcall_file_close__get__fd(simcall));
  35       simcall_file_close__set__result(simcall, 0);
  36       break;
  37     case SIMCALL_FILE_WRITE:
  38       simcall_file_write__set__result(simcall, surf_io->getCost());
  39       break;
  40
  41     case SIMCALL_FILE_READ:
  42       simcall_file_read__set__result(simcall, surf_io->getCost());
  43       break;
  44
  45     default:
  46       break;
  47     }
  48   }
  49
  50   switch (surf_io->getState()) {
  51
  52     case simgrid::surf::Action::State::failed:
  53       state = SIMIX_FAILED;
  54       break;
  55
  56     case simgrid::surf::Action::State::done:
  57       state = SIMIX_DONE;
  58       break;
  59
  60     default:
  61       THROW_IMPOSSIBLE;
  62       break;
  63   }
  64
  65   SIMIX_io_finish(this);
  66 }