fn epoll_ctl(self: *IO_Uring, user_data: u64, epfd: os.fd_t, fd: os.fd_t, op: u32, ev: ?*linux.epoll_event) !*linux.io_uring_sqe

Queues (but does not submit) an SQE to perform a epoll_ctl(2). Returns a pointer to the SQE.

Parameters

self: *IO_Uring,
user_data: u64,
epfd: os.fd_t,
fd: os.fd_t,
op: u32,