src/simix/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/simix/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::simix::Io::suspend()
  12 {
  13   if (surf_io)
  14     surf_io->suspend();
  15 }
  16
  17 void simgrid::simix::Io::resume()
  18 {
  19   if (surf_io)
  20     surf_io->resume();
  21 }
  22
  23 void simgrid::simix::Io::post()
  24 {
  25   xbt_fifo_item_t i;
  26   smx_simcall_t simcall;
  27
  28   xbt_fifo_foreach(simcalls,i,simcall,smx_simcall_t) {
  29     switch (simcall->call) {
  30     case SIMCALL_FILE_OPEN: {
  31       smx_file_t tmp = xbt_new(s_smx_file_t,1);
  32       tmp->surf_file = surf_storage_action_get_file(surf_io);
  33       simcall_file_open__set__result(simcall, tmp);
  34       break;
  35     }
  36     case SIMCALL_FILE_CLOSE:
  37       xbt_free(simcall_file_close__get__fd(simcall));
  38       simcall_file_close__set__result(simcall, 0);
  39       break;
  40     case SIMCALL_FILE_WRITE:
  41       simcall_file_write__set__result(simcall, surf_io->getCost());
  42       break;
  43
  44     case SIMCALL_FILE_READ:
  45       simcall_file_read__set__result(simcall, surf_io->getCost());
  46       break;
  47
  48     default:
  49       break;
  50     }
  51   }
  52
  53   switch (surf_io->getState()) {
  54
  55     case simgrid::surf::Action::State::failed:
  56       state = SIMIX_FAILED;
  57       break;
  58
  59     case simgrid::surf::Action::State::done:
  60       state = SIMIX_DONE;
  61       break;
  62
  63     default:
  64       THROW_IMPOSSIBLE;
  65       break;
  66   }
  67
  68   SIMIX_io_finish(this);
  69 }