X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/bc48db087894fd960073b3120cebf90e6b2f8c02..656d24a575ca26a64c94174ff3573272979e081d:/src/simix/smx_process.cpp

diff --git a/src/simix/smx_process.cpp b/src/simix/smx_process.cpp
index 0215582f18..f696d92b30 100644
--- a/src/simix/smx_process.cpp
+++ b/src/simix/smx_process.cpp
@@ -11,16 +11,18 @@
 #include "xbt/dict.h"
 #include "mc/mc.h"
 #include "src/mc/mc_replay.h"
-#include "src/mc/mc_client.h"
-#include "src/simix/smx_private.hpp"
+#include "src/mc/Client.hpp"
 #include "src/msg/msg_private.h"
 
+#include "src/simix/SynchroSleep.hpp"
+#include "src/simix/SynchroRaw.hpp"
+#include "src/simix/SynchroIo.hpp"
+
 #ifdef HAVE_SMPI
 #include "src/smpi/private.h"
 #endif
 
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_process, simix,
-                                "Logging specific to SIMIX (process)");
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_process, simix, "Logging specific to SIMIX (process)");
 
 unsigned long simix_process_maxpid = 0;
 
@@ -35,7 +37,7 @@ smx_process_t SIMIX_process_self(void)
 {
   smx_context_t self_context = SIMIX_context_self();
 
-  return self_context ? SIMIX_context_get_process(self_context) : NULL;
+  return self_context ? self_context->process() : NULL;
 }
 
 /**
@@ -66,38 +68,37 @@ void SIMIX_process_cleanup(smx_process_t process)
   /* cancel non-blocking communications */
   smx_synchro_t synchro;
   while ((synchro = (smx_synchro_t) xbt_fifo_pop(process->comms))) {
+    simgrid::simix::Comm *comm = static_cast<simgrid::simix::Comm*>(synchro);
 
     /* make sure no one will finish the comm after this process is destroyed,
      * because src_proc or dst_proc would be an invalid pointer */
-    SIMIX_comm_cancel(synchro);
+    comm->cancel();
 
-    if (synchro->comm.src_proc == process) {
+    if (comm->src_proc == process) {
       XBT_DEBUG("Found an unfinished send comm %p (detached = %d), state %d, src = %p, dst = %p",
-          synchro, synchro->comm.detached, (int)synchro->state, synchro->comm.src_proc, synchro->comm.dst_proc);
-      synchro->comm.src_proc = NULL;
+          comm, comm->detached, (int)comm->state, comm->src_proc, comm->dst_proc);
+      comm->src_proc = NULL;
 
       /* I'm not supposed to destroy a detached comm from the sender side, */
-      if (!synchro->comm.detached)
-        SIMIX_comm_destroy(synchro);
+      if (comm->detached)
+        XBT_DEBUG("Don't destroy it since it's a detached comm and I'm the sender");
       else
-        XBT_DEBUG("Don't destroy it since it's a detached comm");
+        comm->unref();
 
     }
-    else if (synchro->comm.dst_proc == process){
+    else if (comm->dst_proc == process){
       XBT_DEBUG("Found an unfinished recv comm %p, state %d, src = %p, dst = %p",
-          synchro, (int)synchro->state, synchro->comm.src_proc, synchro->comm.dst_proc);
-      synchro->comm.dst_proc = NULL;
+          comm, (int)comm->state, comm->src_proc, comm->dst_proc);
+      comm->dst_proc = NULL;
 
-      if (synchro->comm.detached && synchro->comm.refcount == 1
-          && synchro->comm.src_proc != NULL) {
+      if (comm->detached && comm->src_proc != NULL) {
         /* the comm will be freed right now, remove it from the sender */
-        xbt_fifo_remove(synchro->comm.src_proc->comms, synchro);
+        xbt_fifo_remove(comm->src_proc->comms, comm);
       }
-      SIMIX_comm_destroy(synchro);
-    }
-    else {
-      xbt_die("Communication synchro %p is in my list but I'm not the sender "
-          "or the receiver", synchro);
+      
+      comm->unref();
+    } else {
+      xbt_die("Communication synchro %p is in my list but I'm not the sender nor the receiver", synchro);
     }
   }
 
@@ -124,7 +125,7 @@ void SIMIX_process_empty_trash(void)
   while ((process = (smx_process_t) xbt_swag_extract(simix_global->process_to_destroy))) {
     XBT_DEBUG("Getting rid of %p",process);
 
-    SIMIX_context_free(process->context);
+    delete process->context;
 
     /* Free the exception allocated at creation time */
     free(process->running_ctx);
@@ -135,7 +136,7 @@ void SIMIX_process_empty_trash(void)
     xbt_dynar_free(&process->on_exit);
 
     xbt_free(process->name);
-    xbt_free(process);
+    delete process;
   }
 }
 
@@ -146,7 +147,7 @@ void create_maestro(std::function<void()> code)
 {
   smx_process_t maestro = NULL;
   /* Create maestro process and intilialize it */
-  maestro = xbt_new0(s_smx_process_t, 1);
+  maestro = new simgrid::simix::Process();
   maestro->pid = simix_process_maxpid++;
   maestro->ppid = -1;
   maestro->name = (char*) "";
@@ -155,7 +156,7 @@ void create_maestro(std::function<void()> code)
   XBT_RUNNING_CTX_INITIALIZE(maestro->running_ctx);
 
   if (!code) {
-    maestro->context = SIMIX_context_new(NULL, 0, nullptr, NULL, maestro);
+    maestro->context = SIMIX_context_new(std::function<void()>(), NULL, maestro);
   } else {
     if (!simix_global)
       xbt_die("simix is not initialized, please call MSG_init first");
@@ -197,8 +198,7 @@ void SIMIX_process_stop(smx_process_t arg) {
                                         arg->auto_restart);
   }
   XBT_DEBUG("Process %s (%s) is dead",arg->name,sg_host_get_name(arg->host));
-  /* stop the context */
-  SIMIX_context_stop(arg->context);
+  arg->context->stop();
 }
 
 /**
@@ -219,7 +219,7 @@ smx_process_t SIMIX_process_create_from_wrapper(smx_process_arg_t args) {
                                         args->properties,
                                         args->auto_restart,
                                         NULL);
-  xbt_free(args);
+  delete args;
   return process;
 }
 
@@ -277,7 +277,7 @@ smx_process_t SIMIX_process_create(
     xbt_free(argv);
   }
   else {
-    process = xbt_new0(s_smx_process_t, 1);
+    process = new simgrid::simix::Process();
 
     xbt_assert(((code != NULL) && (host != NULL)), "Invalid parameters");
     /* Process data */
@@ -315,7 +315,9 @@ smx_process_t SIMIX_process_create(
 
 
     XBT_VERB("Create context %s", process->name);
-    process->context = SIMIX_context_new(code, argc, argv, simix_global->cleanup_process_function, process);
+    process->context = SIMIX_context_new(
+      simgrid::simix::wrap_main(code, argc, argv),
+      simix_global->cleanup_process_function, process);
 
     process->running_ctx = (xbt_running_ctx_t*) xbt_malloc0(sizeof(xbt_running_ctx_t));
     XBT_RUNNING_CTX_INITIALIZE(process->running_ctx);
@@ -368,7 +370,7 @@ smx_process_t SIMIX_process_attach(
     return nullptr;
   }
 
-  smx_process_t process = xbt_new0(s_smx_process_t, 1);
+  smx_process_t process = new simgrid::simix::Process();
   /* Process data */
   process->pid = simix_process_maxpid++;
   process->name = xbt_strdup(name);
@@ -496,39 +498,39 @@ void SIMIX_process_kill(smx_process_t process, smx_process_t issuer) {
   /* destroy the blocking synchro if any */
   if (process->waiting_synchro) {
 
-    switch (process->waiting_synchro->type) {
+    simgrid::simix::Exec *exec = dynamic_cast<simgrid::simix::Exec*>(process->waiting_synchro);
+    simgrid::simix::Comm *comm = dynamic_cast<simgrid::simix::Comm*>(process->waiting_synchro);
+    simgrid::simix::Sleep *sleep = dynamic_cast<simgrid::simix::Sleep*>(process->waiting_synchro);
+    simgrid::simix::Raw *raw = dynamic_cast<simgrid::simix::Raw*>(process->waiting_synchro);
+    simgrid::simix::Io *io = dynamic_cast<simgrid::simix::Io*>(process->waiting_synchro);
 
-    case SIMIX_SYNC_EXECUTE:
-    case SIMIX_SYNC_PARALLEL_EXECUTE:
-      SIMIX_execution_destroy(process->waiting_synchro);
-      break;
+    if (exec != nullptr) {
+      exec->unref();
 
-    case SIMIX_SYNC_COMMUNICATE:
+    } else if (comm != nullptr) {
       xbt_fifo_remove(process->comms, process->waiting_synchro);
-      SIMIX_comm_cancel(process->waiting_synchro);
+      comm->cancel();
       xbt_fifo_remove(process->waiting_synchro->simcalls, &process->simcall);
-      SIMIX_comm_destroy(process->waiting_synchro);
-      break;
-
-    case SIMIX_SYNC_SLEEP:
-      SIMIX_process_sleep_destroy(process->waiting_synchro);
-      break;
+      comm->unref();
 
-    case SIMIX_SYNC_JOIN:
+    } else if (sleep != nullptr) {
       SIMIX_process_sleep_destroy(process->waiting_synchro);
-      break;
 
-    case SIMIX_SYNC_SYNCHRO:
+    } else if (raw != nullptr) {
       SIMIX_synchro_stop_waiting(process, &process->simcall);
-      SIMIX_synchro_destroy(process->waiting_synchro);
-      break;
+      delete process->waiting_synchro;
 
-    case SIMIX_SYNC_IO:
+    } else if (io != nullptr) {
       SIMIX_io_destroy(process->waiting_synchro);
-      break;
-
     }
 
+    /*
+    switch (process->waiting_synchro->type) {
+    case SIMIX_SYNC_JOIN:
+      SIMIX_process_sleep_destroy(process->waiting_synchro);
+      break;
+    } */
+
     process->waiting_synchro = NULL;
   }
   if(!xbt_dynar_member(simix_global->process_to_run, &(process)) && process != issuer) {
@@ -553,35 +555,34 @@ void SIMIX_process_throw(smx_process_t process, xbt_errcat_t cat, int value, con
   /* cancel the blocking synchro if any */
   if (process->waiting_synchro) {
 
-    switch (process->waiting_synchro->type) {
-
-    case SIMIX_SYNC_EXECUTE:
-    case SIMIX_SYNC_PARALLEL_EXECUTE:
+    simgrid::simix::Exec *exec = dynamic_cast<simgrid::simix::Exec*>(process->waiting_synchro);
+    if (exec != nullptr) {
       SIMIX_execution_cancel(process->waiting_synchro);
-      break;
+    }
 
-    case SIMIX_SYNC_COMMUNICATE:
-      xbt_fifo_remove(process->comms, process->waiting_synchro);
-      SIMIX_comm_cancel(process->waiting_synchro);
-      break;
+    simgrid::simix::Comm *comm = dynamic_cast<simgrid::simix::Comm*>(process->waiting_synchro);
+    if (comm != nullptr) {
+      xbt_fifo_remove(process->comms, comm);
+      comm->cancel();
+    }
 
-    case SIMIX_SYNC_SLEEP:
-    case SIMIX_SYNC_JOIN:
+    simgrid::simix::Sleep *sleep = dynamic_cast<simgrid::simix::Sleep*>(process->waiting_synchro);
+    if (sleep != nullptr) {
       SIMIX_process_sleep_destroy(process->waiting_synchro);
       if (!xbt_dynar_member(simix_global->process_to_run, &(process)) && process != SIMIX_process_self()) {
         XBT_DEBUG("Inserting %s in the to_run list", process->name);
         xbt_dynar_push_as(simix_global->process_to_run, smx_process_t, process);
       }
-      break;
+    }
 
-    case SIMIX_SYNC_SYNCHRO:
+    simgrid::simix::Raw *raw = dynamic_cast<simgrid::simix::Raw*>(process->waiting_synchro);
+    if (raw != nullptr) {
       SIMIX_synchro_stop_waiting(process, &process->simcall);
-      break;
+    }
 
-    case SIMIX_SYNC_IO:
+    simgrid::simix::Io *io = dynamic_cast<simgrid::simix::Io*>(process->waiting_synchro);
+    if (io != nullptr) {
       SIMIX_io_destroy(process->waiting_synchro);
-      break;
-
     }
   }
   process->waiting_synchro = NULL;
@@ -629,23 +630,20 @@ void SIMIX_process_change_host(smx_process_t process,
 
 void simcall_HANDLER_process_suspend(smx_simcall_t simcall, smx_process_t process)
 {
-  smx_synchro_t sync_suspend =
-      SIMIX_process_suspend(process, simcall->issuer);
+  smx_synchro_t sync_suspend = SIMIX_process_suspend(process, simcall->issuer);
 
   if (process != simcall->issuer) {
     SIMIX_simcall_answer(simcall);
   } else {
     xbt_fifo_push(sync_suspend->simcalls, simcall);
     process->waiting_synchro = sync_suspend;
-    SIMIX_execution_suspend(process->waiting_synchro);
+    process->waiting_synchro->suspend();
   }
   /* If we are suspending ourselves, then just do not finish the simcall now */
 }
 
 smx_synchro_t SIMIX_process_suspend(smx_process_t process, smx_process_t issuer)
 {
-  xbt_assert((process != NULL), "Invalid parameters");
-
   if (process->suspended) {
     XBT_DEBUG("Process '%s' is already suspended", process->name);
     return NULL;
@@ -653,40 +651,14 @@ smx_synchro_t SIMIX_process_suspend(smx_process_t process, smx_process_t issuer)
 
   process->suspended = 1;
 
-  /* If we are suspending another process, and it is waiting on a sync,
-     suspend its synchronization. */
+  /* If we are suspending another process that is waiting on a sync, suspend its synchronization. */
   if (process != issuer) {
 
-    if (process->waiting_synchro) {
+    if (process->waiting_synchro)
+      process->waiting_synchro->suspend();
+    /* If the other process is not waiting, its suspension is delayed to when the process is rescheduled. */
 
-      switch (process->waiting_synchro->type) {
-
-        case SIMIX_SYNC_EXECUTE:
-        case SIMIX_SYNC_PARALLEL_EXECUTE:
-          SIMIX_execution_suspend(process->waiting_synchro);
-          break;
-
-        case SIMIX_SYNC_COMMUNICATE:
-          SIMIX_comm_suspend(process->waiting_synchro);
-          break;
-
-        case SIMIX_SYNC_SLEEP:
-          SIMIX_process_sleep_suspend(process->waiting_synchro);
-          break;
-
-        case SIMIX_SYNC_SYNCHRO:
-          /* Suspension is delayed to when the process is rescheduled. */
-          break;
-
-        default:
-          xbt_die("Internal error in SIMIX_process_suspend: unexpected synchronization type %d",
-              (int)process->waiting_synchro->type);
-      }
-      return NULL;
-    } else {
-      /* Suspension is delayed to when the process is rescheduled. */
-      return NULL;
-    }
+    return NULL;
   } else {
     /* FIXME: computation size is zero. Is it okay that bound is zero ? */
     return SIMIX_execution_start(process, "suspend", 0.0, 1.0, 0.0, 0);
@@ -714,31 +686,7 @@ void SIMIX_process_resume(smx_process_t process, smx_process_t issuer)
   if (process != issuer) {
 
     if (process->waiting_synchro) {
-
-      switch (process->waiting_synchro->type) {
-
-        case SIMIX_SYNC_EXECUTE:
-        case SIMIX_SYNC_PARALLEL_EXECUTE:
-          SIMIX_execution_resume(process->waiting_synchro);
-          break;
-
-        case SIMIX_SYNC_COMMUNICATE:
-          SIMIX_comm_resume(process->waiting_synchro);
-          break;
-
-        case SIMIX_SYNC_SLEEP:
-          SIMIX_process_sleep_resume(process->waiting_synchro);
-          break;
-
-        case SIMIX_SYNC_SYNCHRO:
-          /* I cannot resume it now. This is delayed to when the process is rescheduled at
-           * the end of the synchro. */
-          break;
-
-        default:
-          xbt_die("Internal error in SIMIX_process_resume: unexpected synchronization type %d",
-              (int)process->waiting_synchro->type);
-      }
+      process->waiting_synchro->resume();
     }
   } else XBT_WARN("Strange. Process %p is trying to resume himself.", issuer);
 
@@ -849,12 +797,14 @@ void simcall_HANDLER_process_join(smx_simcall_t simcall, smx_process_t process,
   simcall->issuer->waiting_synchro = sync;
 }
 
-static int SIMIX_process_join_finish(smx_process_exit_status_t status, smx_synchro_t sync){
-  if (sync->sleep.surf_sleep) {
-    sync->sleep.surf_sleep->cancel();
+static int SIMIX_process_join_finish(smx_process_exit_status_t status, smx_synchro_t synchro){
+  simgrid::simix::Sleep *sleep = static_cast<simgrid::simix::Sleep*>(synchro);
+
+  if (sleep->surf_sleep) {
+    sleep->surf_sleep->cancel();
 
     smx_simcall_t simcall;
-    while ((simcall = (smx_simcall_t) xbt_fifo_shift(sync->simcalls))) {
+    while ((simcall = (smx_simcall_t) xbt_fifo_shift(sleep->simcalls))) {
       simcall_process_sleep__set__result(simcall, SIMIX_DONE);
       simcall->issuer->waiting_synchro = NULL;
       if (simcall->issuer->suspended) {
@@ -865,17 +815,16 @@ static int SIMIX_process_join_finish(smx_process_exit_status_t status, smx_synch
         SIMIX_simcall_answer(simcall);
       }
     }
-    sync->sleep.surf_sleep->unref();
-    sync->sleep.surf_sleep = NULL;
+    sleep->surf_sleep->unref();
+    sleep->surf_sleep = NULL;
   }
-  xbt_mallocator_release(simix_global->synchro_mallocator, sync);
+  delete sleep;
   return 0;
 }
 
 smx_synchro_t SIMIX_process_join(smx_process_t issuer, smx_process_t process, double timeout)
 {
   smx_synchro_t res = SIMIX_process_sleep(issuer, timeout);
-  res->type = SIMIX_SYNC_JOIN;
   SIMIX_process_on_exit(process, (int_f_pvoid_pvoid_t)SIMIX_process_join_finish, res);
   return res;
 }
@@ -898,89 +847,29 @@ smx_synchro_t SIMIX_process_sleep(smx_process_t process, double duration)
   sg_host_t host = process->host;
 
   /* check if the host is active */
-  if (host->isOff()) {
-    THROWF(host_error, 0, "Host %s failed, you cannot call this function",
-           sg_host_get_name(host));
-  }
+  if (host->isOff())
+    THROWF(host_error, 0, "Host %s failed, you cannot call this function", sg_host_get_name(host));
 
-  smx_synchro_t synchro = (smx_synchro_t) xbt_mallocator_get(simix_global->synchro_mallocator);
-  synchro->type = SIMIX_SYNC_SLEEP;
+  simgrid::simix::Sleep *synchro = new simgrid::simix::Sleep();
   synchro->name = NULL;
-  synchro->category = NULL;
-
-  synchro->sleep.host = host;
-  synchro->sleep.surf_sleep = surf_host_sleep(host, duration);
 
-  synchro->sleep.surf_sleep->setData(synchro);
+  synchro->host = host;
+  synchro->surf_sleep = surf_host_sleep(host, duration);
+  synchro->surf_sleep->setData(synchro);
   XBT_DEBUG("Create sleep synchronization %p", synchro);
 
   return synchro;
 }
 
-void SIMIX_post_process_sleep(smx_synchro_t synchro)
-{
-  smx_simcall_t simcall;
-  e_smx_state_t state;
-  xbt_assert(synchro->type == SIMIX_SYNC_SLEEP || synchro->type == SIMIX_SYNC_JOIN);
-
-  while ((simcall = (smx_simcall_t) xbt_fifo_shift(synchro->simcalls))) {
-
-    switch (synchro->sleep.surf_sleep->getState()){
-      case SURF_ACTION_FAILED:
-        simcall->issuer->context->iwannadie = 1;
-        //SMX_EXCEPTION(simcall->issuer, host_error, 0, "Host failed");
-        state = SIMIX_SRC_HOST_FAILURE;
-        break;
-
-      case SURF_ACTION_DONE:
-        state = SIMIX_DONE;
-        break;
-
-      default:
-        THROW_IMPOSSIBLE;
-        break;
-    }
-    if (simcall->issuer->host->isOff()) {
-      simcall->issuer->context->iwannadie = 1;
-    }
-    simcall_process_sleep__set__result(simcall, state);
-    simcall->issuer->waiting_synchro = NULL;
-    if (simcall->issuer->suspended) {
-      XBT_DEBUG("Wait! This process is suspended and can't wake up now.");
-      simcall->issuer->suspended = 0;
-      simcall_HANDLER_process_suspend(simcall, simcall->issuer);
-    } else {
-      SIMIX_simcall_answer(simcall);
-    }
-  }
-
-  SIMIX_process_sleep_destroy(synchro);
-}
-
 void SIMIX_process_sleep_destroy(smx_synchro_t synchro)
 {
   XBT_DEBUG("Destroy synchro %p", synchro);
-  xbt_assert(synchro->type == SIMIX_SYNC_SLEEP || synchro->type == SIMIX_SYNC_JOIN);
+  simgrid::simix::Sleep *sleep = static_cast<simgrid::simix::Sleep*>(synchro);
 
-  if (synchro->sleep.surf_sleep) {
-    synchro->sleep.surf_sleep->unref();
-    synchro->sleep.surf_sleep = NULL;
+  if (sleep->surf_sleep) {
+    sleep->surf_sleep->unref();
+    sleep->surf_sleep = NULL;
   }
-  if (synchro->type == SIMIX_SYNC_SLEEP)
-    xbt_mallocator_release(simix_global->synchro_mallocator, synchro);
-}
-
-void SIMIX_process_sleep_suspend(smx_synchro_t synchro)
-{
-  xbt_assert(synchro->type == SIMIX_SYNC_SLEEP);
-  synchro->sleep.surf_sleep->suspend();
-}
-
-void SIMIX_process_sleep_resume(smx_synchro_t synchro)
-{
-  XBT_DEBUG("Synchro state is %d on process_sleep_resume.", synchro->state);
-  xbt_assert(synchro->type == SIMIX_SYNC_SLEEP);
-  synchro->sleep.surf_sleep->resume();
 }
 
 /**
@@ -996,7 +885,7 @@ void SIMIX_process_yield(smx_process_t self)
   XBT_DEBUG("Yield process '%s'", self->name);
 
   /* Go into sleep and return control to maestro */
-  SIMIX_context_suspend(self->context);
+  self->context->suspend();
 
   /* Ok, maestro returned control to us */
   XBT_DEBUG("Control returned to me: '%s'", self->name);
@@ -1021,7 +910,7 @@ void SIMIX_process_yield(smx_process_t self)
   if (self->doexception) {
     XBT_DEBUG("Wait, maestro left me an exception");
     self->doexception = 0;
-    SMX_THROW();
+    RETHROW;
   }
 
   if(SMPI_switch_data_segment && self->segment_index != -1){