#[unsafe(no_mangle)]pub extern "C" fn nstd_shared_ptr_share<'a>(
shared_ptr: &NSTDSharedPtr<'a>,
) -> NSTDSharedPtr<'a>Available on crate feature
shared_ptr only.Expand description
Shares shared_ptr.
§Parameters:
const NSTDSharedPtr *shared_ptr- The shared object to share.
§Returns
NSTDSharedPtr shared - A new pointer pointing to the shared data.
§Example
use core::ptr::addr_of;
use nstd_sys::{
alloc::NSTD_ALLOCATOR,
core::alloc::nstd_core_alloc_layout_new,
shared_ptr::{nstd_shared_ptr_get, nstd_shared_ptr_new, nstd_shared_ptr_share},
};
unsafe {
let v = 39u64;
let share;
{
let size = core::mem::size_of::<u64>();
let align = core::mem::align_of::<u64>();
let layout = nstd_core_alloc_layout_new(size, align).unwrap();
let addr = addr_of!(v).cast();
let shared_ptr = nstd_shared_ptr_new(&NSTD_ALLOCATOR, layout, addr).unwrap();
share = nstd_shared_ptr_share(&shared_ptr);
}
assert!(*nstd_shared_ptr_get(&share).cast::<u64>() == v);
}