+++ /dev/null
-/* Copyright (c) 2010-2017. 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. */
-
-#ifndef SMPI_KEYVALS_HPP_INCLUDED
-#define SMPI_KEYVALS_HPP_INCLUDED
-
-#include "smpi/smpi.h"
-#include "xbt/ex.hpp"
-
-#include <unordered_map>
-
-typedef struct smpi_delete_fn{
- MPI_Comm_delete_attr_function *comm_delete_fn;
- MPI_Type_delete_attr_function *type_delete_fn;
- MPI_Win_delete_attr_function *win_delete_fn;
-} smpi_delete_fn;
-
-typedef struct smpi_copy_fn{
- MPI_Comm_copy_attr_function *comm_copy_fn;
- MPI_Type_copy_attr_function *type_copy_fn;
- MPI_Win_copy_attr_function *win_copy_fn;
-} smpi_copy_fn;
-
-typedef struct s_smpi_key_elem {
- smpi_copy_fn copy_fn;
- smpi_delete_fn delete_fn;
- int refcount;
-} s_smpi_mpi_key_elem_t;
-
-typedef struct s_smpi_key_elem *smpi_key_elem;
-
-namespace simgrid{
-namespace smpi{
-
-class Keyval{
- private:
- std::unordered_map<int, void*> attributes_;
- protected:
- std::unordered_map<int, void*>* attributes();
- public:
-// Each subclass should have two members, as we want to separate the ones for Win, Comm, and Datatypes :
-// static std::unordered_map<int, smpi_key_elem> keyvals_;
-// static int keyval_id_;
- template <typename T> static int keyval_create(smpi_copy_fn copy_fn, smpi_delete_fn delete_fn, int* keyval, void* extra_statee);
- template <typename T> static int keyval_free(int* keyval);
- template <typename T> int attr_delete(int keyval);
- template <typename T> int attr_get(int keyval, void* attr_value, int* flag);
- template <typename T> int attr_put(int keyval, void* attr_value);
- template <typename T> static int call_deleter(T* obj, smpi_key_elem elem, int keyval, void * value, int* flag);
- template <typename T> void cleanup_attr();
-};
-
-template <typename T> int Keyval::keyval_create(smpi_copy_fn copy_fn, smpi_delete_fn delete_fn, int* keyval, void* extra_state){
-
- smpi_key_elem value = (smpi_key_elem) xbt_new0(s_smpi_mpi_key_elem_t,1);
-
- value->copy_fn=copy_fn;
- value->delete_fn=delete_fn;
- value->refcount=1;
-
- *keyval = T::keyval_id_;
- T::keyvals_.insert({*keyval, value});
- T::keyval_id_++;
- return MPI_SUCCESS;
-}
-
-template <typename T> int Keyval::keyval_free(int* keyval){
-/* See MPI-1, 5.7.1. Freeing the keyval does not remove it if it
- * is in use in an attribute */
- smpi_key_elem elem = T::keyvals_.at(*keyval);
- if(elem==0){
- return MPI_ERR_ARG;
- }
- if(elem->refcount==1){
- T::keyvals_.erase(*keyval);
- xbt_free(elem);
- }else{
- elem->refcount--;
- }
- return MPI_SUCCESS;
-}
-
-template <typename T> int Keyval::attr_delete(int keyval){
- smpi_key_elem elem = T::keyvals_.at(keyval);
- if(elem==nullptr)
- return MPI_ERR_ARG;
- elem->refcount--;
- void * value = nullptr;
- int flag=0;
- if(this->attr_get<T>(keyval, &value, &flag)==MPI_SUCCESS){
- int ret = call_deleter<T>((T*)this, elem, keyval,value,&flag);
- if(ret!=MPI_SUCCESS)
- return ret;
- }
- if(attributes()->empty())
- return MPI_ERR_ARG;
- attributes()->erase(keyval);
- return MPI_SUCCESS;
-}
-
-
-template <typename T> int Keyval::attr_get(int keyval, void* attr_value, int* flag){
- smpi_key_elem elem = T::keyvals_.at(keyval);
- if(elem==nullptr)
- return MPI_ERR_ARG;
- if(attributes()->empty()){
- *flag=0;
- return MPI_SUCCESS;
- }
- try {
- *static_cast<void**>(attr_value) = attributes()->at(keyval);
- *flag=1;
- }
- catch (const std::out_of_range& oor) {
- *flag=0;
- }
- return MPI_SUCCESS;
-}
-
-template <typename T> int Keyval::attr_put(int keyval, void* attr_value){
- smpi_key_elem elem = T::keyvals_.at(keyval);
- if(elem==nullptr)
- return MPI_ERR_ARG;
- elem->refcount++;
- void * value = nullptr;
- int flag=0;
- this->attr_get<T>(keyval, &value, &flag);
- if(flag!=0){
- int ret = call_deleter<T>((T*)this, elem, keyval,value,&flag);
- if(ret!=MPI_SUCCESS)
- return ret;
- }
- attributes()->insert({keyval, attr_value});
- return MPI_SUCCESS;
-}
-
-template <typename T> void Keyval::cleanup_attr(){
- if (not attributes()->empty()) {
- int flag=0;
- for(auto it : attributes_){
- try{
- smpi_key_elem elem = T::keyvals_.at(it.first);
- if(elem != nullptr){
- call_deleter<T>((T*)this, elem, it.first,it.second,&flag);
- }
- }catch(const std::out_of_range& oor) {
- //already deleted, not a problem;
- flag=0;
- }
- }
- }
-}
-
-}
-}
-
-#endif
