X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/67fe7b9d6c00b390a8598bc1e72d42d8343cb218..c38add23758a684b2d0fba6d4a49d96b5f7b4a4b:/src/smpi/internals/smpi_actor.cpp

diff --git a/src/smpi/internals/smpi_actor.cpp b/src/smpi/internals/smpi_actor.cpp
index 8eb40883a3..d4727a959f 100644
--- a/src/smpi/internals/smpi_actor.cpp
+++ b/src/smpi/internals/smpi_actor.cpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2009-2018. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2009-2019. The SimGrid Team. All rights reserved.          */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
@@ -19,17 +19,15 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_process, smpi, "Logging specific to SMPI (k
 namespace simgrid {
 namespace smpi {
 
-using simgrid::s4u::Actor;
-using simgrid::s4u::ActorPtr;
-
-ActorExt::ActorExt(ActorPtr actor, simgrid::s4u::Barrier* finalization_barrier)
+ActorExt::ActorExt(s4u::ActorPtr actor, s4u::Barrier* finalization_barrier)
     : finalization_barrier_(finalization_barrier), actor_(actor)
 {
-  mailbox_         = simgrid::s4u::Mailbox::by_name("SMPI-" + std::to_string(actor_->get_pid()));
-  mailbox_small_   = simgrid::s4u::Mailbox::by_name("small-" + std::to_string(actor_->get_pid()));
-  mailboxes_mutex_ = xbt_mutex_init();
+  mailbox_         = s4u::Mailbox::by_name("SMPI-" + std::to_string(actor_->get_pid()));
+  mailbox_small_   = s4u::Mailbox::by_name("small-" + std::to_string(actor_->get_pid()));
+  mailboxes_mutex_ = s4u::Mutex::create();
   timer_           = xbt_os_timer_new();
   state_           = SmpiProcessState::UNINITIALIZED;
+  info_env_        = MPI_INFO_NULL;
   if (MC_is_active())
     MC_ignore_heap(timer_, xbt_os_timer_size());
 
@@ -58,28 +56,6 @@ ActorExt::~ActorExt()
   if (comm_intra_ != MPI_COMM_NULL)
     simgrid::smpi::Comm::destroy(comm_intra_);
   xbt_os_timer_free(timer_);
-  xbt_mutex_destroy(mailboxes_mutex_);
-}
-
-void ActorExt::set_data(int* argc, char*** argv)
-{
-  instance_id_                   = std::string((*argv)[1]);
-  comm_world_                    = smpi_deployment_comm_world(instance_id_);
-  simgrid::s4u::Barrier* barrier = smpi_deployment_finalization_barrier(instance_id_);
-  if (barrier != nullptr) // don't overwrite the current one if the instance has none
-    finalization_barrier_ = barrier;
-
-  if (*argc > 3) {
-    memmove(&(*argv)[0], &(*argv)[2], sizeof(char*) * (*argc - 2));
-    (*argv)[(*argc) - 1] = nullptr;
-    (*argv)[(*argc) - 2] = nullptr;
-  }
-  (*argc) -= 2;
-  argc_ = argc;
-  argv_ = argv;
-  // set the process attached to the mailbox
-  mailbox_small_->set_receiver(actor_);
-  XBT_DEBUG("<%ld> SMPI process has been initialized: %p", actor_->get_pid(), actor_.get());
 }
 
 /** @brief Prepares the current process for termination. */
@@ -101,6 +77,12 @@ int ActorExt::finalized()
   return (state_ == SmpiProcessState::FINALIZED);
 }
 
+/** @brief Check if a process is partially initialized already */
+int ActorExt::initializing()
+{
+  return (state_ == SmpiProcessState::INITIALIZING);
+}
+
 /** @brief Check if a process is initialized */
 int ActorExt::initialized()
 {
@@ -127,25 +109,15 @@ bool ActorExt::replaying()
   return replaying_;
 }
 
-void ActorExt::set_user_data(void* data)
-{
-  data_ = data;
-}
-
-void* ActorExt::get_user_data()
-{
-  return data_;
-}
-
-ActorPtr ActorExt::get_actor()
+s4u::ActorPtr ActorExt::get_actor()
 {
   return actor_;
 }
 
 /**
- * \brief Returns a structure that stores the location (filename + linenumber) of the last calls to MPI_* functions.
+ * @brief Returns a structure that stores the location (filename + linenumber) of the last calls to MPI_* functions.
  *
- * \see smpi_trace_set_call_location
+ * @see smpi_trace_set_call_location
  */
 smpi_trace_call_location_t* ActorExt::call_location()
 {
@@ -167,17 +139,7 @@ MPI_Comm ActorExt::comm_world()
   return comm_world_ == nullptr ? MPI_COMM_NULL : *comm_world_;
 }
 
-smx_mailbox_t ActorExt::mailbox()
-{
-  return mailbox_->get_impl();
-}
-
-smx_mailbox_t ActorExt::mailbox_small()
-{
-  return mailbox_small_->get_impl();
-}
-
-xbt_mutex_t ActorExt::mailboxes_mutex()
+s4u::MutexPtr ActorExt::mailboxes_mutex()
 {
   return mailboxes_mutex_;
 }
@@ -219,6 +181,11 @@ MPI_Comm ActorExt::comm_self()
   return comm_self_;
 }
 
+MPI_Info ActorExt::info_env()
+{
+  return info_env_;
+}
+
 MPI_Comm ActorExt::comm_intra()
 {
   return comm_intra_;
@@ -239,49 +206,51 @@ int ActorExt::sampling()
   return sampling_;
 }
 
-void ActorExt::init(int* argc, char*** argv)
+void ActorExt::init()
 {
+  xbt_assert(smpi_get_universe_size() != 0, "SimGrid was not initialized properly before entering MPI_Init. "
+                                            "Aborting, please check compilation process and use smpirun.");
+
+  simgrid::s4u::ActorPtr self = simgrid::s4u::Actor::self();
+  // cheinrich: I'm not sure what the impact of the SMPI_switch_data_segment on this call is. I moved
+  // this up here so that I can set the privatized region before the switch.
+  ActorExt* ext = smpi_process_remote(self);
+  // if we are in MPI_Init and argc handling has already been done.
+  if (ext->initialized())
+    return;
 
-  if (smpi_process_count() == 0) {
-    xbt_die("SimGrid was not initialized properly before entering MPI_Init. Aborting, please check compilation process "
-            "and use smpirun\n");
+  if (smpi_privatize_global_variables == SmpiPrivStrategies::MMAP) {
+    /* Now using the segment index of this process  */
+    ext->set_privatized_region(smpi_init_global_memory_segment_process());
+    /* Done at the process's creation */
+    SMPI_switch_data_segment(self);
   }
-  if (argc != nullptr && argv != nullptr) {
-    simgrid::s4u::ActorPtr proc = simgrid::s4u::Actor::self();
-    proc->get_impl()->context_->set_cleanup(&SIMIX_process_cleanup);
-
-    char* instance_id = (*argv)[1];
-    try {
-      int rank = std::stoi(std::string((*argv)[2]));
-      smpi_deployment_register_process(instance_id, rank, proc);
-    } catch (std::invalid_argument& ia) {
-      throw std::invalid_argument(std::string("Invalid rank: ") + (*argv)[2]);
-    }
 
-    // cheinrich: I'm not sure what the impact of the SMPI_switch_data_segment on this call is. I moved
-    // this up here so that I can set the privatized region before the switch.
-    ActorExt* process = smpi_process_remote(proc);
-    if (smpi_privatize_global_variables == SmpiPrivStrategies::MMAP) {
-      /* Now using the segment index of this process  */
-      process->set_privatized_region(smpi_init_global_memory_segment_process());
-      /* Done at the process's creation */
-      SMPI_switch_data_segment(proc);
-    }
+  std::string instance_id = self->get_property("instance_id");
+  const int rank          = xbt_str_parse_int(self->get_property("rank"), "Cannot parse rank");
 
-    process->set_data(argc, argv);
-  }
-  xbt_assert(smpi_process(), "smpi_process() returned nullptr. You probably gave a nullptr parameter to MPI_Init. "
-                             "Although it's required by MPI-2, this is currently not supported by SMPI. "
-                             "Please use MPI_Init(&argc, &argv) as usual instead.");
+  ext->state_ = SmpiProcessState::INITIALIZING;
+  smpi_deployment_register_process(instance_id, rank, self);
+
+  ext->instance_id_              = instance_id;
+  ext->comm_world_               = smpi_deployment_comm_world(instance_id);
+  simgrid::s4u::Barrier* barrier = smpi_deployment_finalization_barrier(instance_id);
+  if (barrier != nullptr) // don't overwrite the current one if the instance has none
+    ext->finalization_barrier_ = barrier;
+
+  // set the process attached to the mailbox
+  ext->mailbox_small_->set_receiver(ext->actor_);
+  XBT_DEBUG("<%ld> SMPI process has been initialized: %p", ext->actor_->get_pid(), ext->actor_.get());
 }
 
 int ActorExt::get_optind()
 {
-  return optind;
+  return optind_;
 }
+
 void ActorExt::set_optind(int new_optind)
 {
-  optind = new_optind;
+  optind_ = new_optind;
 }
 
 } // namespace smpi