X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/6c12a132ca10eefd1d566e489e837e459db4d979..ea9cce21b6d3f37823143217f1ca183bb2f0c9ac:/src/mc/mc_base.c

diff --git a/src/mc/mc_base.c b/src/mc/mc_base.c
deleted file mode 100644
index 65052ef791..0000000000
--- a/src/mc/mc_base.c
+++ /dev/null
@@ -1,202 +0,0 @@
-/* Copyright (c) 2008-2014. 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. */
-
-#include <assert.h>
-
-#include <simgrid/simix.h>
-
-#include "mc_base.h"
-#include "../simix/smx_private.h"
-#include "mc_record.h"
-
-#ifdef HAVE_MC
-#include "mc_process.h"
-#include "mc_model_checker.h"
-#include "mc_protocol.h"
-#include "mc_smx.h"
-#include "mc_server.h"
-#endif
-
-XBT_LOG_NEW_CATEGORY(mc, "All MC categories");
-
-void MC_wait_for_requests(void)
-{
-#ifdef HAVE_MC
-  if (mc_mode == MC_MODE_SERVER) {
-    MC_server_wait_client(&mc_model_checker->process);
-    return;
-  }
-#endif
-
-  smx_process_t process;
-  smx_simcall_t req;
-  unsigned int iter;
-
-  while (!xbt_dynar_is_empty(simix_global->process_to_run)) {
-    SIMIX_process_runall();
-    xbt_dynar_foreach(simix_global->process_that_ran, iter, process) {
-      req = &process->simcall;
-      if (req->call != SIMCALL_NONE && !MC_request_is_visible(req))
-        SIMIX_simcall_handle(req, 0);
-    }
-  }
-}
-
-int MC_request_is_enabled(smx_simcall_t req)
-{
-  unsigned int index = 0;
-  smx_synchro_t act = 0;
-#ifdef HAVE_MC
-  s_smx_synchro_t temp_synchro;
-#endif
-
-  switch (req->call) {
-  case SIMCALL_NONE:
-    return FALSE;
-
-  case SIMCALL_COMM_WAIT:
-    /* FIXME: check also that src and dst processes are not suspended */
-    act = simcall_comm_wait__get__comm(req);
-
-#ifdef HAVE_MC
-    // Fetch from MCed memory:
-    if (!MC_process_is_self(&mc_model_checker->process)) {
-      MC_process_read(&mc_model_checker->process, MC_PROCESS_NO_FLAG,
-        &temp_synchro, act, sizeof(temp_synchro),
-        MC_PROCESS_INDEX_ANY);
-      act = &temp_synchro;
-    }
-#endif
-
-    if (simcall_comm_wait__get__timeout(req) >= 0) {
-      /* If it has a timeout it will be always be enabled, because even if the
-       * communication is not ready, it can timeout and won't block. */
-      if (_sg_mc_timeout == 1)
-        return TRUE;
-    } else {
-      /* On the other hand if it hasn't a timeout, check if the comm is ready.*/
-      if (act->comm.detached && act->comm.src_proc == NULL
-          && act->comm.type == SIMIX_COMM_READY)
-        return (act->comm.dst_proc != NULL);
-    }
-    return (act->comm.src_proc && act->comm.dst_proc);
-
-  case SIMCALL_COMM_WAITANY: {
-#ifdef HAVE_MC
-    // Read dynar:
-    s_xbt_dynar_t comms;
-    MC_process_read_simple(&mc_model_checker->process,
-      &comms, simcall_comm_waitany__get__comms(req), sizeof(comms));
-    // Read dynar buffer:
-    assert(comms.elmsize == sizeof(act));
-    size_t buffer_size = comms.elmsize * comms.used;
-    char buffer[buffer_size];
-    MC_process_read_simple(&mc_model_checker->process,
-      buffer, comms.data, sizeof(buffer));
-#endif
-
-#ifdef HAVE_MC
-    for (index = 0; index < comms.used; ++index) {
-      memcpy(&act, buffer + comms.elmsize * index, sizeof(act));
-#else
-    xbt_dynar_foreach(simcall_comm_waitany__get__comms(req), index, act) {
-#endif
-
-#ifdef HAVE_MC
-      // Fetch from MCed memory:
-      if (!MC_process_is_self(&mc_model_checker->process)) {
-        MC_process_read(&mc_model_checker->process, MC_PROCESS_NO_FLAG,
-          &temp_synchro, act, sizeof(temp_synchro),
-          MC_PROCESS_INDEX_ANY);
-        act = &temp_synchro;
-      }
-#endif
-
-      if (act->comm.src_proc && act->comm.dst_proc)
-        return TRUE;
-    }
-    return FALSE;
-  }
-
-  case SIMCALL_MUTEX_LOCK: {
-    smx_mutex_t mutex = simcall_mutex_lock__get__mutex(req);
-#ifdef HAVE_MC
-    s_smx_mutex_t temp_mutex;
-    if (!MC_process_is_self(&mc_model_checker->process)) {
-      MC_process_read(&mc_model_checker->process, MC_PROCESS_NO_FLAG,
-        &temp_mutex, mutex, sizeof(temp_mutex),
-        MC_PROCESS_INDEX_ANY);
-      mutex = &temp_mutex;
-    }
-#endif
-    if(mutex->owner == NULL)
-      return TRUE;
-    else
-#ifdef HAVE_MC
-      // TODO, *(mutex->owner) :/
-      return MC_smx_resolve_process(mutex->owner)->pid ==
-        MC_smx_resolve_process(req->issuer)->pid;
-#else
-      return mutex->owner->pid == req->issuer->pid;
-#endif
-    }
-
-  default:
-    /* The rest of the requests are always enabled */
-    return TRUE;
-  }
-}
-
-int MC_request_is_visible(smx_simcall_t req)
-{
-  return req->call == SIMCALL_COMM_ISEND
-      || req->call == SIMCALL_COMM_IRECV
-      || req->call == SIMCALL_COMM_WAIT
-      || req->call == SIMCALL_COMM_WAITANY
-      || req->call == SIMCALL_COMM_TEST
-      || req->call == SIMCALL_COMM_TESTANY
-      || req->call == SIMCALL_MC_RANDOM
-      || req->call == SIMCALL_MUTEX_LOCK
-#ifdef HAVE_MC
-      || req->call == SIMCALL_MC_SNAPSHOT
-      || req->call == SIMCALL_MC_COMPARE_SNAPSHOTS
-#endif
-      ;
-}
-
-int MC_random(int min, int max)
-{
-  /*FIXME: return mc_current_state->executed_transition->random.value; */
-  return simcall_mc_random(min, max);
-}
-
-static int prng_random(int min, int max)
-{
-  unsigned long output_size = ((unsigned long) max - (unsigned long) min) + 1;
-  unsigned long input_size = (unsigned long) RAND_MAX + 1;
-  unsigned long reject_size = input_size % output_size;
-  unsigned long accept_size = input_size - reject_size; // module*accept_size
-
-  // Use rejection in order to avoid skew
-  long x;
-  do {
-#ifndef _XBT_WIN32
-    x = random();
-#else
-    x = rand();
-#endif
-  } while( x >= accept_size );
-  return min + (x % output_size);
-}
-
-int simcall_HANDLER_mc_random(smx_simcall_t simcall, int min, int max)
-{
-  if (!MC_is_active() && !MC_record_path){
-    return prng_random(min, max);
-  }
-
-  return simcall->mc_value;
-}