我想用下面的代码中插入一个共享载体导入共享地图:升压进程间载体,创建多个矢量指针
managed_shared_memory segment(create_only ,"MySharedMemory" ,65536);
typedef allocator<int, managed_shared_memory::segment_manager> vecAllocator;
typedef vector<int, vecAllocator> vec;
typedef std::pair<int, vec* > ValueType;
typedef allocator<ValueType, managed_shared_memory::segment_manager> ShmemAllocator;
typedef multimap<int, vec*, std::less<int>, ShmemAllocator> MyMap;
ShmemAllocator alloc_inst (segment.get_segment_manager());
vecAllocator vectorallocator (segment.get_segment_manager());
MyMap *mymap = segment.construct<MyMap>("MyMap")(std::less<int>(),alloc_inst);
vec *myvec = segment.construct<vec>("myvec")(vectorallocator);
vec *myvec1 = segment.construct<vec>("myvec1")(vectorallocator);
myvec->push_back(10);
myvec->push_back(9);
myvec->push_back(8);
myvec1->push_back(987);
myvec1->push_back(123);
myvec1->push_back(456);
for(int i = 0; i < 6; ++i){
for(int j = 0; j<6; j++)
mymap->insert(std::pair<int, vec*>(i, myvec));
}
for(int i = 0; i < 6; ++i){
for(int j = 0; j<6; j++)
mymap->insert(std::pair<int, vec*>(i, myvec1));
}
代码工作..但我想要做的是构建一个载体,而不一个名字。这是做这样的事情
vec *myvec = segment.construct<vec>(vectorallocator);
vec *myvec1 = segment.construct<vec>(vectorallocator);
所以,如果我把它放在一个循环中,并没有与它们命名不同的每一个循环没有问题。有没有办法做到这一点? 或者至少有一个自动的方式来每次循环他们的名字不同?