1 /* Copyright (c) 2007-2017. The SimGrid Team. All rights reserved. */
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. */
7 #include <xbt/sysdep.h>
10 #include "simgrid/s4u/Host.hpp"
11 #include "simgrid/s4u/Storage.hpp"
12 #include "src/surf/FileImpl.hpp"
13 #include "src/surf/HostImpl.hpp"
14 #include "src/surf/StorageImpl.hpp"
15 #include "surf/surf.h"
17 #include "src/surf/surf_interface.hpp"
18 #include "smx_private.h"
20 #include "src/kernel/activity/SynchroIo.hpp"
22 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_io, simix, "Logging specific to SIMIX (io)");
25 void simcall_HANDLER_file_read(smx_simcall_t simcall, surf_file_t fd, sg_size_t size)
27 smx_activity_t synchro = SIMIX_file_read(fd, size);
28 synchro->simcalls.push_back(simcall);
29 simcall->issuer->waiting_synchro = synchro;
32 smx_activity_t SIMIX_file_read(surf_file_t file, sg_size_t size)
34 simgrid::kernel::activity::IoImpl* synchro = new simgrid::kernel::activity::IoImpl();
35 synchro->surf_io = file->read(size);
37 synchro->surf_io->setData(synchro);
38 XBT_DEBUG("Create io synchro %p", synchro);
44 void simcall_HANDLER_file_write(smx_simcall_t simcall, surf_file_t fd, sg_size_t size)
46 smx_activity_t synchro = SIMIX_file_write(fd, size);
47 synchro->simcalls.push_back(simcall);
48 simcall->issuer->waiting_synchro = synchro;
51 smx_activity_t SIMIX_file_write(surf_file_t file, sg_size_t size)
53 simgrid::kernel::activity::IoImpl* synchro = new simgrid::kernel::activity::IoImpl();
54 synchro->surf_io = file->write(size);
55 synchro->surf_io->setData(synchro);
56 XBT_DEBUG("Create io synchro %p", synchro);
61 void SIMIX_io_destroy(smx_activity_t synchro)
63 simgrid::kernel::activity::IoImplPtr io = boost::static_pointer_cast<simgrid::kernel::activity::IoImpl>(synchro);
64 XBT_DEBUG("Destroy synchro %p", synchro.get());
69 void SIMIX_io_finish(smx_activity_t synchro)
71 for (smx_simcall_t simcall : synchro->simcalls) {
72 switch (synchro->state) {
74 /* do nothing, synchro done */
77 SMX_EXCEPTION(simcall->issuer, io_error, 0, "IO failed");
80 SMX_EXCEPTION(simcall->issuer, cancel_error, 0, "Canceled");
83 xbt_die("Internal error in SIMIX_io_finish: unexpected synchro state %d", static_cast<int>(synchro->state));
86 if (simcall->issuer->host->isOff()) {
87 simcall->issuer->context->iwannadie = 1;
90 simcall->issuer->waiting_synchro = nullptr;
91 SIMIX_simcall_answer(simcall);
94 /* We no longer need it */
95 SIMIX_io_destroy(synchro);