Function sys_close

user/src/syscall.rs:55–57

(fd: usize)

}

pub fn sys_close(fd: usize) -> isize {
    syscall(SYSCALL_CLOSE, [fd, 0, 0])
}

pub fn sys_pipe(pipe: &mut [usize]) -> isize {
    syscall(SYSCALL_PIPE, [pipe.as_mut_ptr() as usize, 0, 0])