ErrorStack EnginePimpl::uninitialize_once() {
LOG(INFO) << "================================================================================";
LOG(INFO) << "=================== FOEDUS ENGINE ("
<< describe_short() << ") EXITTING...... ================";
LOG(INFO) << "================================================================================";
if (is_master() && soc_manager_.is_initialized()) {
soc_manager_.get_shared_memory_repo()->change_master_status(
soc::MasterEngineStatus::kWaitingForChildTerminate);
}
ErrorStackBatch batch;
// uninit in reverse order of initialization
auto modules = get_modules();
std::reverse(modules.begin(), modules.end());
for (ModulePtr& module : modules) {
if (!module.ptr_->is_initialized()) {
continue;
}
// During uninitialization, master waits for SOCs' uninitialization before its uninit.
if (is_master()) {
batch.emprace_back(soc_manager_.wait_for_children_module(false, module.type_));
}
batch.emprace_back(module.ptr_->uninitialize());
on_module_uninitialized(module.type_);
// Then SOCs wait for master before moving on to next module.
if (!is_master()) {
batch.emprace_back(soc_manager_.wait_for_master_module(false, module.type_));
}
}
// SOC manager is special. We must uninitialize it at last.
batch.emprace_back(soc_manager_.uninitialize());
// after that, we can't even set status. shared memory has been detached.
return SUMMARIZE_ERROR_BATCH(batch);
}
ErrorStack NumaNodeMemory::uninitialize_once() {
LOG(INFO) << "Uninitializing NumaNodeMemory for node " << static_cast<int>(numa_node_) << "."
<< " BEFORE: numa_node_size=" << get_numa_node_size(numa_node_);
ErrorStackBatch batch;
batch.uninitialize_and_delete_all(&core_memories_);
volatile_offset_chunk_memory_pieces_.clear();
volatile_offset_chunk_memory_.release_block();
snapshot_offset_chunk_memory_pieces_.clear();
snapshot_offset_chunk_memory_.release_block();
log_buffer_memory_pieces_.clear();
log_buffer_memory_.release_block();
if (snapshot_cache_table_) {
delete snapshot_cache_table_;
snapshot_cache_table_ = nullptr;
}
batch.emprace_back(volatile_pool_.uninitialize());
batch.emprace_back(snapshot_pool_.uninitialize());
snapshot_pool_memory_.release_block();
snapshot_pool_control_block_.release_block();
LOG(INFO) << "Uninitialized NumaNodeMemory for node " << static_cast<int>(numa_node_) << "."
<< " AFTER: numa_node_size=" << get_numa_node_size(numa_node_);
return SUMMARIZE_ERROR_BATCH(batch);
}
ErrorStack EngineMemory::uninitialize_once() {
LOG(INFO) << "Uninitializing EngineMemory..";
ErrorStackBatch batch;
if (!engine_->get_debug()->is_initialized()) {
batch.emprace_back(ERROR_STACK(kErrorCodeDepedentModuleUnavailableUninit));
}
for (auto* ref : node_memories_) {
delete ref;
}
node_memories_.clear();
// Uninitialize local memory.
if (!engine_->is_master() && local_memory_) {
soc::SocId node = engine_->get_soc_id();
batch.emprace_back(local_memory_->uninitialize());
delete local_memory_;
local_memory_ = nullptr;
LOG(INFO) << "Node memory-" << node << " was uninitialized!";
}
return SUMMARIZE_ERROR_BATCH(batch);
}