kernel::object::handle::syscall

Function sys_handle_duplicate

Source 
pub fn sys_handle_duplicate(trapframe: &mut Trapframe) -> usize
Expand description

Duplicate a handle (sys_handle_duplicate)

This system call creates a new handle that refers to the same kernel object as the original handle.

§Arguments

  • handle: The handle to duplicate

§Returns

  • New handle number on success
  • usize::MAX on error (invalid handle, handle table full)