本文整理汇总了C++中MyVector::rbegin方法的典型用法代码示例。如果您正苦于以下问题：C++ MyVector::rbegin方法的具体用法？C++ MyVector::rbegin怎么用？C++ MyVector::rbegin使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类MyVector的用法示例。
在下文中一共展示了MyVector::rbegin方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: main
int main(int argc, char *argv[])
{
if (argc == 1)
{
struct shm_remove
{
shm_remove() { shared_memory_object::remove("MySharedMemory"); }
~shm_remove() { shared_memory_object::remove("MySharedMemory"); }
} remover;
// Create a new segment with given name and size
managed_shared_memory segment(create_only, "MySharedMemory", 65536);
// Initialize shared memory STL-compatible allocator
const ShmemAllocator alloc_inst(segment.get_segment_manager());
// Construct a vector named "MyVector" in shared memory with argument alloc_inst
MyVector *myvector = segment.construct<MyVector>("MyVector")(alloc_inst);
for (int i = 0; i < 100; ++i)
{
myvector->push_back(i);
}
// Launch child process
std::string s(argv[0]); s += " child ";
if (0 != std::system(s.c_str()))
return 1;
if (segment.find<MyVector>("MyVector").first)
return 1;
}
else
{
managed_shared_memory segment(open_only, "MySharedMemory");
MyVector *myvector = segment.find<MyVector>("MyVector").first;
std::sort(myvector->rbegin(), myvector->rend());
segment.destroy<MyVector>("MyVector");
}
return 0;
}示例2: main
int main(int argc, char *argv[])
{
if(argc == 1){
struct shm_remove
{
shm_remove() { shared_memory_object::remove("MySharedMemory"); }
~shm_remove(){ shared_memory_object::remove("MySharedMemory"); }
} remover;
managed_shared_memory segment(create_only, "MySharedMemory", 65536);
const ShmemAllocator alloc_inst (segment.get_segment_manager());
MyVector *myvector = segment.construct<MyVector>("MyVector")(alloc_inst);
for(int i = 0; i < 100; ++i) //Insert data in the vector
myvector->push_back(i);
std::string s(argv[0]); s += " child ";
if(0 != std::system(s.c_str()))
return 1;
if(segment.find<MyVector>("MyVector").first)
return 1;
}
else{
managed_shared_memory segment(open_only, "MySharedMemory");
MyVector *myvector = segment.find<MyVector>("MyVector").first;
std::sort(myvector->rbegin(), myvector->rend());
for(int i = 0; i < 100; ++i) //Insert data in the vector
{
printf("%d ", myvector->at(i));
}
segment.destroy<MyVector>("MyVector");
}
return 0;
};示例3: main
//Main function. For parent process argc == 1, for child process argc == 2
int main(int argc, char *argv[])
{
if(argc == 1){ //Parent process
//Remove shared memory on construction and destruction
struct shm_remove
{
//<-
#if 1
shm_remove() { shared_memory_object::remove(test::get_process_id_name()); }
~shm_remove(){ shared_memory_object::remove(test::get_process_id_name()); }
#else
//->
shm_remove() { shared_memory_object::remove("MySharedMemory"); }
~shm_remove(){ shared_memory_object::remove("MySharedMemory"); }
//<-
#endif
//->
} remover;
//<-
(void)remover;
//->
//Create a new segment with given name and size
//<-
#if 1
managed_shared_memory segment(create_only, test::get_process_id_name(), 65536);
#else
//->
managed_shared_memory segment(create_only, "MySharedMemory", 65536);
//<-
#endif
//->
//Initialize shared memory STL-compatible allocator
const ShmemAllocator alloc_inst (segment.get_segment_manager());
//Construct a vector named "MyVector" in shared memory with argument alloc_inst
MyVector *myvector = segment.construct<MyVector>("MyVector")(alloc_inst);
for(int i = 0; i < 100; ++i) //Insert data in the vector
myvector->push_back(i);
//Launch child process
std::string s(argv[0]); s += " child ";
//<-
s += test::get_process_id_name();
//->
if(0 != std::system(s.c_str()))
return 1;
//Check child has destroyed the vector
if(segment.find<MyVector>("MyVector").first)
return 1;
}
else{ //Child process
//Open the managed segment
//<-
#if 1
managed_shared_memory segment(open_only, argv[2]);
#else
//->
managed_shared_memory segment(open_only, "MySharedMemory");
//<-
#endif
//->
//Find the vector using the c-string name
MyVector *myvector = segment.find<MyVector>("MyVector").first;
//Use vector in reverse order
std::sort(myvector->rbegin(), myvector->rend());
//When done, destroy the vector from the segment
segment.destroy<MyVector>("MyVector");
}
return 0;
};