X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/972162bac11e3df7266030562100d2f8e43870b2..5c037db836667c8408d94daf61b893dd1efbabca:/src/simix/smx_process.cpp

diff --git a/src/simix/smx_process.cpp b/src/simix/smx_process.cpp
index 530d7c9222..b6c816f9d7 100644
--- a/src/simix/smx_process.cpp
+++ b/src/simix/smx_process.cpp
@@ -12,7 +12,6 @@
 #include "mc/mc.h"
 #include "src/mc/mc_replay.h"
 #include "src/mc/Client.hpp"
-#include "src/simix/smx_private.hpp"
 #include "src/msg/msg_private.h"
 
 #include "src/simix/SynchroSleep.hpp"
@@ -56,7 +55,7 @@ int SIMIX_process_has_pending_comms(smx_process_t process) {
 void SIMIX_process_cleanup(smx_process_t process)
 {
   XBT_DEBUG("Cleanup process %s (%p), waiting synchro %p",
-      process->name, process, process->waiting_synchro);
+      process->name.c_str(), process, process->waiting_synchro);
 
   SIMIX_process_on_exit_runall(process);
 
@@ -73,7 +72,7 @@ void SIMIX_process_cleanup(smx_process_t process)
 
     /* 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(comm);
+    comm->cancel();
 
     if (comm->src_proc == process) {
       XBT_DEBUG("Found an unfinished send comm %p (detached = %d), state %d, src = %p, dst = %p",
@@ -84,7 +83,7 @@ void SIMIX_process_cleanup(smx_process_t process)
       if (comm->detached)
         XBT_DEBUG("Don't destroy it since it's a detached comm and I'm the sender");
       else
-        SIMIX_comm_destroy(comm);
+        comm->unref();
 
     }
     else if (comm->dst_proc == process){
@@ -92,11 +91,12 @@ void SIMIX_process_cleanup(smx_process_t process)
           comm, (int)comm->state, comm->src_proc, comm->dst_proc);
       comm->dst_proc = NULL;
 
-      if (comm->detached && comm->refcount == 1 && 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(comm->src_proc->comms, comm);
       }
-      SIMIX_comm_destroy(comm);
+      
+      comm->unref();
     } else {
       xbt_die("Communication synchro %p is in my list but I'm not the sender nor the receiver", synchro);
     }
@@ -135,8 +135,7 @@ void SIMIX_process_empty_trash(void)
 
     xbt_dynar_free(&process->on_exit);
 
-    xbt_free(process->name);
-    xbt_free(process);
+    delete process;
   }
 }
 
@@ -147,16 +146,16 @@ 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*) "";
+  maestro->name = "";
   maestro->data = nullptr;
   maestro->running_ctx = (xbt_running_ctx_t*) xbt_malloc0(sizeof(xbt_running_ctx_t));
   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");
@@ -191,39 +190,18 @@ void SIMIX_process_stop(smx_process_t arg) {
   SIMIX_process_on_exit_runall(arg);
   /* Add the process to the list of process to restart, only if the host is down */
   if (arg->auto_restart && arg->host->isOff()) {
-    SIMIX_host_add_auto_restart_process(arg->host,arg->name,arg->code, arg->data,
+    SIMIX_host_add_auto_restart_process(arg->host, arg->name.c_str(),
+                                        arg->code, arg->data,
                                         sg_host_get_name(arg->host),
                                         SIMIX_timer_get_date(arg->kill_timer),
-                                        arg->argc,arg->argv,arg->properties,
+                                        arg->args.argc(), arg->args.argv(), arg->properties,
                                         arg->auto_restart);
   }
-  XBT_DEBUG("Process %s (%s) is dead",arg->name,sg_host_get_name(arg->host));
+  XBT_DEBUG("Process %s (%s) is dead",
+    arg->name.c_str(), sg_host_get_name(arg->host));
   arg->context->stop();
 }
 
-/**
- * \brief Same as SIMIX_process_create() but with only one argument (used by timers).
- * This function frees the argument.
- * \return the process created
- */
-smx_process_t SIMIX_process_create_from_wrapper(smx_process_arg_t args) {
-
-  smx_process_t process = simix_global->create_process_function(
-                                        args->name,
-                                        args->code,
-                                        args->data,
-                                        args->hostname,
-                                        args->kill_time,
-                                        args->argc,
-                                        args->argv,
-                                        args->properties,
-                                        args->auto_restart,
-                                        NULL);
-  xbt_free(args);
-  return process;
-}
-
-
 void* simcall_HANDLER_process_create(smx_simcall_t simcall,
                           const char *name,
                           xbt_main_func_t code,
@@ -232,10 +210,16 @@ void* simcall_HANDLER_process_create(smx_simcall_t simcall,
                           double kill_time,
                           int argc, char **argv,
                           xbt_dict_t properties,
-                          int auto_restart){
-  return (void*)SIMIX_process_create(name, code, data, hostname,
-                       kill_time, argc, argv, properties, auto_restart,
+                          int auto_restart)
+{
+  simgrid::simix::args args(argc, argv);
+  void* res = SIMIX_process_create(name, code, data, hostname,
+                       kill_time, std::move(args), properties, auto_restart,
                        simcall->issuer);
+  for (int i = 0; i != argc; ++i)
+    xbt_free(argv[i]);
+  xbt_free(argv);
+  return res;
 }
 
 static void kill_process(void* process)
@@ -258,7 +242,7 @@ smx_process_t SIMIX_process_create(
                           void *data,
                           const char *hostname,
                           double kill_time,
-                          int argc, char **argv,
+                          simgrid::simix::args args,
                           xbt_dict_t properties,
                           int auto_restart,
                           smx_process_t parent_process)
@@ -269,20 +253,17 @@ smx_process_t SIMIX_process_create(
   XBT_DEBUG("Start process %s on host '%s'", name, hostname);
 
   if (host->isOff()) {
-    int i;
     XBT_WARN("Cannot launch process '%s' on failed host '%s'", name,
           hostname);
-    for (i = 0; i < argc; i++)
-      xbt_free(argv[i]);
-    xbt_free(argv);
+    return nullptr;
   }
   else {
-    process = xbt_new0(s_smx_process_t, 1);
+    process = new simgrid::simix::Process();
 
     xbt_assert(((code != NULL) && (host != NULL)), "Invalid parameters");
     /* Process data */
     process->pid = simix_process_maxpid++;
-    process->name = xbt_strdup(name);
+    process->name = std::string(name);
     process->host = host;
     process->data = data;
     process->comms = xbt_fifo_new();
@@ -310,12 +291,12 @@ smx_process_t SIMIX_process_create(
     /* Process data for auto-restart */
     process->auto_restart = auto_restart;
     process->code = code;
-    process->argc = argc;
-    process->argv = argv;
-
+    process->args = args;
 
-    XBT_VERB("Create context %s", process->name);
-    process->context = SIMIX_context_new(code, argc, argv, simix_global->cleanup_process_function, process);
+    XBT_VERB("Create context %s", process->name.c_str());
+    process->context = SIMIX_context_new(
+      simgrid::simix::wrap_main(code, std::move(args)),
+      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);
@@ -330,21 +311,22 @@ smx_process_t SIMIX_process_create(
     /* Add the process to it's host process list */
     xbt_swag_insert(process, sg_host_simix(host)->process_list);
 
-    XBT_DEBUG("Start context '%s'", process->name);
+    XBT_DEBUG("Start context '%s'", process->name.c_str());
 
     /* Now insert it in the global process list and in the process to run list */
     xbt_swag_insert(process, simix_global->process_list);
-    XBT_DEBUG("Inserting %s(%s) in the to_run list", process->name, sg_host_get_name(host));
+    XBT_DEBUG("Inserting %s(%s) in the to_run list",
+      process->name.c_str(), sg_host_get_name(host));
     xbt_dynar_push_as(simix_global->process_to_run, smx_process_t, process);
 
     if (kill_time > SIMIX_get_clock() && simix_global->kill_process_function) {
-      XBT_DEBUG("Process %s(%s) will be kill at time %f", process->name,
-          sg_host_get_name(process->host), kill_time);
+      XBT_DEBUG("Process %s(%s) will be kill at time %f",
+        process->name.c_str(), sg_host_get_name(process->host), kill_time);
       process->kill_timer = SIMIX_timer_set(kill_time, kill_process, process);
     }
 
     /* Tracing the process creation */
-    TRACE_msg_process_create(process->name, process->pid, process->host);
+    TRACE_msg_process_create(process->name.c_str(), process->pid, process->host);
   }
   return process;
 }
@@ -368,10 +350,10 @@ 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);
+  process->name = std::string(name);
   process->host = host;
   process->data = data;
   process->comms = xbt_fifo_new();
@@ -397,10 +379,8 @@ smx_process_t SIMIX_process_attach(
   /* Process data for auto-restart */
   process->auto_restart = false;
   process->code = nullptr;
-  process->argc = 0;
-  process->argv = nullptr;
 
-  XBT_VERB("Create context %s", process->name);
+  XBT_VERB("Create context %s", process->name.c_str());
   if (!simix_global)
     xbt_die("simix is not initialized, please call MSG_init first");
   process->context = simix_global->context_factory->attach(
@@ -421,11 +401,12 @@ smx_process_t SIMIX_process_attach(
 
   /* Now insert it in the global process list and in the process to run list */
   xbt_swag_insert(process, simix_global->process_list);
-  XBT_DEBUG("Inserting %s(%s) in the to_run list", process->name, sg_host_get_name(host));
+  XBT_DEBUG("Inserting %s(%s) in the to_run list",
+    process->name.c_str(), sg_host_get_name(host));
   xbt_dynar_push_as(simix_global->process_to_run, smx_process_t, process);
 
   /* Tracing the process creation */
-  TRACE_msg_process_create(process->name, process->pid, process->host);
+  TRACE_msg_process_create(process->name.c_str(), process->pid, process->host);
 
   auto context = dynamic_cast<simgrid::simix::AttachContext*>(process->context);
   if (!context)
@@ -486,7 +467,8 @@ void simcall_HANDLER_process_kill(smx_simcall_t simcall, smx_process_t process)
  */
 void SIMIX_process_kill(smx_process_t process, smx_process_t issuer) {
 
-  XBT_DEBUG("Killing process %s on %s", process->name, sg_host_get_name(process->host));
+  XBT_DEBUG("Killing process %s on %s",
+    process->name.c_str(), sg_host_get_name(process->host));
 
   process->context->iwannadie = 1;
   process->blocked = 0;
@@ -503,20 +485,20 @@ void SIMIX_process_kill(smx_process_t process, smx_process_t issuer) {
     simgrid::simix::Io *io = dynamic_cast<simgrid::simix::Io*>(process->waiting_synchro);
 
     if (exec != nullptr) {
-      SIMIX_execution_destroy(process->waiting_synchro);
+      exec->unref();
 
     } 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);
+      comm->unref();
 
     } else if (sleep != nullptr) {
       SIMIX_process_sleep_destroy(process->waiting_synchro);
 
     } else if (raw != nullptr) {
       SIMIX_synchro_stop_waiting(process, &process->simcall);
-      SIMIX_synchro_destroy(process->waiting_synchro);
+      delete process->waiting_synchro;
 
     } else if (io != nullptr) {
       SIMIX_io_destroy(process->waiting_synchro);
@@ -532,7 +514,7 @@ void SIMIX_process_kill(smx_process_t process, smx_process_t issuer) {
     process->waiting_synchro = NULL;
   }
   if(!xbt_dynar_member(simix_global->process_to_run, &(process)) && process != issuer) {
-    XBT_DEBUG("Inserting %s in the to_run list", process->name);
+    XBT_DEBUG("Inserting %s in the to_run list", process->name.c_str());
     xbt_dynar_push_as(simix_global->process_to_run, smx_process_t, process);
   }
 
@@ -560,15 +542,15 @@ void SIMIX_process_throw(smx_process_t process, xbt_errcat_t cat, int value, con
 
     simgrid::simix::Comm *comm = dynamic_cast<simgrid::simix::Comm*>(process->waiting_synchro);
     if (comm != nullptr) {
-      xbt_fifo_remove(process->comms, process->waiting_synchro);
-      SIMIX_comm_cancel(process->waiting_synchro);
+      xbt_fifo_remove(process->comms, comm);
+      comm->cancel();
     }
 
     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_DEBUG("Inserting %s in the to_run list", process->name.c_str());
         xbt_dynar_push_as(simix_global->process_to_run, smx_process_t, process);
       }
     }
@@ -628,15 +610,14 @@ 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 */
 }
@@ -644,7 +625,7 @@ void simcall_HANDLER_process_suspend(smx_simcall_t simcall, smx_process_t proces
 smx_synchro_t SIMIX_process_suspend(smx_process_t process, smx_process_t issuer)
 {
   if (process->suspended) {
-    XBT_DEBUG("Process '%s' is already suspended", process->name);
+    XBT_DEBUG("Process '%s' is already suspended", process->name.c_str());
     return NULL;
   }
 
@@ -764,16 +745,14 @@ const char* SIMIX_process_self_get_name(void) {
 
 const char* SIMIX_process_get_name(smx_process_t process)
 {
-  return process->name;
+  return process->name.c_str();
 }
 
 smx_process_t SIMIX_process_get_by_name(const char* name)
 {
   smx_process_t proc;
-
-  xbt_swag_foreach(proc, simix_global->process_list)
-  {
-    if(!strcmp(name, proc->name))
+  xbt_swag_foreach(proc, simix_global->process_list) {
+    if (proc->name == name)
       return proc;
   }
   return NULL;
@@ -860,46 +839,6 @@ smx_synchro_t SIMIX_process_sleep(smx_process_t process, double duration)
   return synchro;
 }
 
-void SIMIX_post_process_sleep(smx_synchro_t synchro)
-{
-  smx_simcall_t simcall;
-  e_smx_state_t state;
-  simgrid::simix::Sleep *sleep = static_cast<simgrid::simix::Sleep*>(synchro);
-
-  while ((simcall = (smx_simcall_t) xbt_fifo_shift(synchro->simcalls))) {
-
-    switch (sleep->surf_sleep->getState()){
-      case simgrid::surf::Action::State::failed:
-        simcall->issuer->context->iwannadie = 1;
-        //SMX_EXCEPTION(simcall->issuer, host_error, 0, "Host failed");
-        state = SIMIX_SRC_HOST_FAILURE;
-        break;
-
-      case simgrid::surf::Action::State::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);
@@ -921,13 +860,13 @@ void SIMIX_process_sleep_destroy(smx_synchro_t synchro)
  */
 void SIMIX_process_yield(smx_process_t self)
 {
-  XBT_DEBUG("Yield process '%s'", self->name);
+  XBT_DEBUG("Yield process '%s'", self->name.c_str());
 
   /* Go into sleep and return control to maestro */
   self->context->suspend();
 
   /* Ok, maestro returned control to us */
-  XBT_DEBUG("Control returned to me: '%s'", self->name);
+  XBT_DEBUG("Control returned to me: '%s'", self->name.c_str());
 
   if (self->new_host) {
     SIMIX_process_change_host(self, self->new_host);
@@ -1050,53 +989,38 @@ smx_process_t simcall_HANDLER_process_restart(smx_simcall_t simcall, smx_process
 }
 /** @brief Restart a process, starting it again from the beginning. */
 smx_process_t SIMIX_process_restart(smx_process_t process, smx_process_t issuer) {
-  XBT_DEBUG("Restarting process %s on %s", process->name, sg_host_get_name(process->host));
+  XBT_DEBUG("Restarting process %s on %s",
+    process->name.c_str(), sg_host_get_name(process->host));
+
   //retrieve the arguments of the old process
   //FIXME: Factorize this with SIMIX_host_add_auto_restart_process ?
-  s_smx_process_arg_t arg;
+  simgrid::simix::ProcessArg arg;
+  arg.name = process->name;
   arg.code = process->code;
   arg.hostname = sg_host_get_name(process->host);
   arg.kill_time = SIMIX_timer_get_date(process->kill_timer);
-  arg.argc = process->argc;
   arg.data = process->data;
-  int i;
-  arg.argv = xbt_new(char*,process->argc + 1);
-  for (i = 0; i < arg.argc; i++) {
-    arg.argv[i] = xbt_strdup(process->argv[i]);
-  }
-  arg.argv[process->argc] = NULL;
   arg.properties = NULL;
   arg.auto_restart = process->auto_restart;
+  arg.args = process->args;
+
   //kill the old process
-  SIMIX_process_kill(process,issuer);
-  //start the new process
-  smx_process_t new_process;
-  if (simix_global->create_process_function) {
-    new_process = simix_global->create_process_function(
-                                          arg.argv[0],
-                                          arg.code,
-                                          arg.data,
-                                          arg.hostname,
-                                          arg.kill_time,
-                                          arg.argc,
-                                          arg.argv,
-                                          arg.properties,
-                                          arg.auto_restart,
-                                          NULL);
-  } else {
-    new_process = simcall_process_create(
-                           arg.argv[0],
-                           arg.code,
-                           arg.data,
-                           arg.hostname,
-                           arg.kill_time,
-                           arg.argc,
-                           arg.argv,
-                           arg.properties,
-                           arg.auto_restart);
+  SIMIX_process_kill(process, issuer);
 
-  }
-  return new_process;
+  //start the new process
+  if (simix_global->create_process_function)
+    return simix_global->create_process_function(
+      arg.name.c_str(), arg.code, arg.data,
+      arg.hostname, arg.kill_time,
+      arg.args,
+      arg.properties, arg.auto_restart,
+      nullptr);
+  else
+    return simcall_process_create(
+      arg.name.c_str(), arg.code, arg.data,
+      arg.hostname, arg.kill_time,
+      arg.args.argc(), arg.args.to_argv(),
+      arg.properties, arg.auto_restart);
 }
 
 void SIMIX_segment_index_set(smx_process_t proc, int index){