Function sys_shutdown 

pub fn sys_shutdown(
    abi: &mut LinuxRiscv64Abi,
    trapframe: &mut Trapframe,
) -> usize

Linux sys_shutdown implementation

Shut down part of a full-duplex connection.

Arguments:

• abi: LinuxRiscv64Abi context
• trapframe: Trapframe containing syscall arguments
  • arg0: sockfd (socket file descriptor)
  • arg1: how (0=SHUT_RD, 1=SHUT_WR, 2=SHUT_RDWR)

Returns:

• 0 on success
• negative errno on error