X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/5e7ea743f4e41c8fb6e0c1cce87df1ff8804a82a..864d17d38d2f5ffecea2c9104af9e538a25b56db:/src/mc/mc_checkpoint.cpp diff --git a/src/mc/mc_checkpoint.cpp b/src/mc/mc_checkpoint.cpp index c8311007f4..77d6a73854 100644 --- a/src/mc/mc_checkpoint.cpp +++ b/src/mc/mc_checkpoint.cpp @@ -6,6 +6,7 @@ #include +#include #include #include #include @@ -14,6 +15,7 @@ #include "src/mc/mc_private.h" #include "xbt/module.h" #include +#include #include "src/smpi/private.h" #include "src/xbt/mmalloc/mmprivate.h" @@ -40,13 +42,9 @@ using simgrid::mc::remote; -extern "C" { - XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_checkpoint, mc, "Logging specific to mc_checkpoint"); -} - namespace simgrid { namespace mc { @@ -81,7 +79,7 @@ static void restore(mc_mem_region_t region) } } -#ifdef HAVE_SMPI +#if HAVE_SMPI RegionSnapshot privatized_region( RegionType region_type, void *start_addr, void* permanent_addr, std::size_t size, const RegionSnapshot* ref_region @@ -133,7 +131,7 @@ void add_region(int index, mc_snapshot_t snapshot, ref_region = mc_model_checker->parent_snapshot_->snapshot_regions[index].get(); simgrid::mc::RegionSnapshot region; -#ifdef HAVE_SMPI +#if HAVE_SMPI const bool privatization_aware = object_info && mc_model_checker->process().privatized(*object_info); if (privatization_aware && MC_smpi_process_count()) @@ -172,7 +170,7 @@ static void get_memory_regions(simgrid::mc::Process* process, mc_snapshot_t snap heap->heaplimit, process->get_malloc_info()); -#ifdef HAVE_SMPI +#if HAVE_SMPI if (mc_model_checker->process().privatized() && MC_smpi_process_count()) // snapshot->privatization_index = smpi_loaded_page mc_model_checker->process().read_variable( @@ -191,14 +189,19 @@ void find_object_address( std::vector const& maps, simgrid::mc::ObjectInformation* result) { - char* file_name = xbt_strdup(result->file_name.c_str()); - const char *name = xbt_basename(file_name); + char* name = xbt_basename(result->file_name.c_str()); + for (size_t i = 0; i < maps.size(); ++i) { simgrid::xbt::VmMap const& reg = maps[i]; - if (maps[i].pathname.empty() - || strcmp(xbt_basename(maps[i].pathname.c_str()), name)) { - // Nothing to do - } else if ((reg.prot & PROT_WRITE)) { + if (maps[i].pathname.empty()) + continue; + char* map_basename = xbt_basename(maps[i].pathname.c_str()); + if (strcmp(name, map_basename) != 0) { + free(map_basename); + continue; + } + free(map_basename); + if ((reg.prot & PROT_WRITE)) { xbt_assert(!result->start_rw, "Multiple read-write segments for %s, not supported", maps[i].pathname.c_str()); @@ -238,7 +241,8 @@ void find_object_address( xbt_assert(result->start_rw); xbt_assert(result->start_exec); - free(file_name); + + free(name); } /************************************* Take Snapshot ************************************/ @@ -498,7 +502,7 @@ static std::vector get_current_fds(pid_t pid) link[res] = '\0'; -#ifdef HAVE_SMPI +#if HAVE_SMPI if(smpi_is_privatisation_file(link)) continue; #endif @@ -514,8 +518,14 @@ static std::vector get_current_fds(pid_t pid) continue; // If dot_output enabled, do not handle the corresponding file - if (dot_output != nullptr && strcmp(xbt_basename(link), _sg_mc_dot_output_file) == 0) - continue; + if (dot_output != nullptr) { + char* link_basename = xbt_basename(link); + if (strcmp(link_basename, _sg_mc_dot_output_file) == 0) { + free(link_basename); + continue; + } + free(link_basename); + } // This is probably a shared memory used by lttng-ust: if(strncmp("/dev/shm/ust-shm-tmp-", link, 21)==0) @@ -586,14 +596,14 @@ void restore_snapshot_regions(mc_snapshot_t snapshot) restore(region.get()); } -#ifdef HAVE_SMPI +#if HAVE_SMPI // TODO, send a message to implement this in the MCed process if(snapshot->privatization_index >= 0) { // Fix the privatization mmap: s_mc_restore_message message; message.type = MC_MESSAGE_RESTORE; message.index = snapshot->privatization_index; - mc_model_checker->process().send_message(message); + mc_model_checker->process().getChannel().send(message); } #endif } @@ -628,16 +638,10 @@ void restore_snapshot(mc_snapshot_t snapshot) if (use_soft_dirty) mc_model_checker->process().reset_soft_dirty(); snapshot_ignore_restore(snapshot); - mc_model_checker->process().cache_flags = 0; + mc_model_checker->process().clear_cache(); if (use_soft_dirty) mc_model_checker->parent_snapshot_ = snapshot; } } } - -extern "C" -mc_snapshot_t simcall_HANDLER_mc_snapshot(smx_simcall_t simcall) -{ - return simgrid::mc::take_snapshot(1); -}