kernel::object::capability::file::syscall

Function sys_file_truncate

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

System call for truncating a file

§Arguments

  • handle: Handle to the KernelObject (must support FileObject)
  • length: New length of the file

§Returns

  • On success: 0
  • On error: usize::MAX