pub fn sys_epoll_pwait2(
current_task: &mut CurrentTask,
epfd: FdNumber,
events: UserRef<EpollEvent>,
max_events: i32,
user_timespec: TimeSpecPtr,
user_sigmask: UserRef<SigSet>,
) -> Result<usize, Errno>pub fn sys_epoll_pwait2(
current_task: &mut CurrentTask,
epfd: FdNumber,
events: UserRef<EpollEvent>,
max_events: i32,
user_timespec: TimeSpecPtr,
user_sigmask: UserRef<SigSet>,
) -> Result<usize, Errno>