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