[mc] Use vector<RegionSnapshot> instead of vector<unique_ptr<RegionSnapshot>> in...

[simgrid.git] / src / mc / mc_checkpoint.cpp

diff --git a/src/mc/mc_checkpoint.cpp b/src/mc/mc_checkpoint.cpp
index 26c6a2a..7940e39 100644 (file)
--- a/src/mc/mc_checkpoint.cpp
+++ b/src/mc/mc_checkpoint.cpp
@@ -88,23 +88,22 @@ RegionSnapshot::~RegionSnapshot() {}
 
 extern "C" {
 
-static mc_mem_region_t mc_region_new_dense(
+static simgrid::mc::RegionSnapshot MC_region_dense(
   mc_region_type_t region_type,
   void *start_addr, void* permanent_addr, size_t size)
 {
-  mc_mem_region_t region = new simgrid::mc::RegionSnapshot();
-  region->region_type = region_type;
-  region->storage_type = MC_REGION_STORAGE_TYPE_FLAT;
-  region->start_addr = start_addr;
-  region->permanent_addr = permanent_addr;
-  region->size = size;
-  region->flat_data_.resize(size);
-  mc_model_checker->process().read_bytes(region->flat_data_.data(), size,
+  std::vector<char> data(size);
+  mc_model_checker->process().read_bytes(data.data(), size,
     remote(permanent_addr),
     simgrid::mc::ProcessIndexDisabled);
+
+  simgrid::mc::RegionSnapshot region(
+    region_type, start_addr, permanent_addr, size);
+  region.flat_data(std::move(data));
+
   XBT_DEBUG("New region : type : %d, data : %p (real addr %p), size : %zu",
-            region_type, region->flat_data_.data(), permanent_addr, size);
-  return region;
+            region_type, region.flat_data().data(), permanent_addr, size);
+  return std::move(region);
 }
 
 /** @brief Take a snapshot of a given region
@@ -114,13 +113,13 @@ static mc_mem_region_t mc_region_new_dense(
  * @param permanent_addr Permanent address of this data (for privatized variables, this is the virtual address of the privatized mapping)
  * @param size         Size of the data*
  */
-static mc_mem_region_t MC_region_new(
+static simgrid::mc::RegionSnapshot MC_region(
   mc_region_type_t type, void *start_addr, void* permanent_addr, size_t size)
 {
   if (_sg_mc_sparse_checkpoint) {
-    return mc_region_new_sparse(type, start_addr, permanent_addr, size);
+    return MC_region_sparse(type, start_addr, permanent_addr, size);
   } else  {
-    return mc_region_new_dense(type, start_addr, permanent_addr, size);
+    return MC_region_dense(type, start_addr, permanent_addr, size);
   }
 }
 
@@ -130,15 +129,15 @@ static mc_mem_region_t MC_region_new(
  */
 static void MC_region_restore(mc_mem_region_t region)
 {
-  switch(region->storage_type) {
+  switch(region->storage_type()) {
   case MC_REGION_STORAGE_TYPE_NONE:
   default:
     xbt_die("Storage type not supported");
     break;
 
   case MC_REGION_STORAGE_TYPE_FLAT:
-    mc_model_checker->process().write_bytes(region->flat_data_.data(), region->size,
-      remote(region->permanent_addr));
+    mc_model_checker->process().write_bytes(region->flat_data().data(),
+      region->size(), region->permanent_address());
     break;
 
   case MC_REGION_STORAGE_TYPE_CHUNKED:
@@ -146,24 +145,17 @@ static void MC_region_restore(mc_mem_region_t region)
     break;
 
   case MC_REGION_STORAGE_TYPE_PRIVATIZED:
-    for (auto const& p : region->privatized_regions_)
-      MC_region_restore(p.get());
+    for (auto& p : region->privatized_data())
+      MC_region_restore(&p);
     break;
   }
 }
 
-static mc_mem_region_t MC_region_new_privatized(
+static simgrid::mc::RegionSnapshot MC_region_privatized(
     mc_region_type_t region_type, void *start_addr, void* permanent_addr, size_t size
     )
 {
   size_t process_count = MC_smpi_process_count();
-  mc_mem_region_t region = new simgrid::mc::RegionSnapshot();
-  region->region_type = region_type;
-  region->storage_type = MC_REGION_STORAGE_TYPE_PRIVATIZED;
-  region->start_addr = start_addr;
-  region->permanent_addr = permanent_addr;
-  region->size = size;
-  region->privatized_regions_.resize(process_count);
 
   // Read smpi_privatisation_regions from MCed:
   smpi_privatisation_region_t remote_smpi_privatisation_regions;
@@ -175,14 +167,18 @@ static mc_mem_region_t MC_region_new_privatized(
     &privatisation_regions, sizeof(privatisation_regions),
     remote(remote_smpi_privatisation_regions));
 
-  for (size_t i = 0; i < process_count; i++) {
-    region->privatized_regions_[i] = std::unique_ptr<simgrid::mc::RegionSnapshot>(
-      MC_region_new(region_type, start_addr,
+  std::vector<simgrid::mc::RegionSnapshot> data;
+  data.reserve(process_count);
+  for (size_t i = 0; i < process_count; i++)
+    data.push_back(
+      MC_region(region_type, start_addr,
         privatisation_regions[i].address, size)
       );
-  }
 
-  return region;
+  simgrid::mc::RegionSnapshot region = simgrid::mc::RegionSnapshot(
+    region_type, start_addr, permanent_addr, size);
+  region.privatized_data(std::move(data));
+  return std::move(region);
 }
 
 static void MC_snapshot_add_region(int index, mc_snapshot_t snapshot, mc_region_type_t type,
@@ -194,15 +190,17 @@ static void MC_snapshot_add_region(int index, mc_snapshot_t snapshot, mc_region_
   else if (type == MC_REGION_TYPE_HEAP)
     xbt_assert(!object_info, "Unexpected object info for heap region.");
 
-  mc_mem_region_t region;
   const bool privatization_aware = MC_object_info_is_privatized(object_info);
+
+  simgrid::mc::RegionSnapshot region;
   if (privatization_aware && MC_smpi_process_count())
-    region = MC_region_new_privatized(type, start_addr, permanent_addr, size);
+    region = MC_region_privatized(type, start_addr, permanent_addr, size);
   else
-    region = MC_region_new(type, start_addr, permanent_addr, size);
+    region = MC_region(type, start_addr, permanent_addr, size);
 
-  region->object_info = object_info;
-  snapshot->snapshot_regions[index] = region;
+  region.object_info(object_info);
+  snapshot->snapshot_regions[index]
+    = new simgrid::mc::RegionSnapshot(std::move(region));
   return;
 }