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#![allow(non_upper_case_globals)]
#![allow(non_camel_case_types)]
#![allow(non_snake_case)]
use std::os::raw::{c_int, c_void};
pub const EPOLLIN: u32 = 1;
pub const EPOLLPRI: u32 = 2;
pub const EPOLLOUT: u32 = 4;
pub const EPOLLERR: u32 = 8;
pub const EPOLLHUP: u32 = 16;
pub const EPOLLRDNORM: u32 = 64;
pub const EPOLLRDBAND: u32 = 128;
pub const EPOLLWRNORM: u32 = 256;
pub const EPOLLWRBAND: u32 = 512;
pub const EPOLLMSG: u32 = 1024;
pub const EPOLLRDHUP: u32 = 8192;
pub const EPOLLONESHOT: u32 = 2147483648;
pub const EPOLL_CTL_ADD: u32 = 1;
pub const EPOLL_CTL_MOD: u32 = 2;
pub const EPOLL_CTL_DEL: u32 = 3;
pub const EPOLL_EVENTS_EPOLLIN: EPOLL_EVENTS = 1;
pub const EPOLL_EVENTS_EPOLLPRI: EPOLL_EVENTS = 2;
pub const EPOLL_EVENTS_EPOLLOUT: EPOLL_EVENTS = 4;
pub const EPOLL_EVENTS_EPOLLERR: EPOLL_EVENTS = 8;
pub const EPOLL_EVENTS_EPOLLHUP: EPOLL_EVENTS = 16;
pub const EPOLL_EVENTS_EPOLLRDNORM: EPOLL_EVENTS = 64;
pub const EPOLL_EVENTS_EPOLLRDBAND: EPOLL_EVENTS = 128;
pub const EPOLL_EVENTS_EPOLLWRNORM: EPOLL_EVENTS = 256;
pub const EPOLL_EVENTS_EPOLLWRBAND: EPOLL_EVENTS = 512;
pub const EPOLL_EVENTS_EPOLLMSG: EPOLL_EVENTS = 1024;
pub const EPOLL_EVENTS_EPOLLRDHUP: EPOLL_EVENTS = 8192;
pub const EPOLL_EVENTS_EPOLLONESHOT: EPOLL_EVENTS = -2147483648;
pub type EPOLL_EVENTS = i32;
pub type HANDLE = *mut c_void;
pub type SOCKET = usize;
#[repr(C)]
#[derive(Copy, Clone)]
pub union epoll_data {
pub ptr: *mut c_void,
pub fd: c_int,
pub u32: u32,
pub u64: u64,
pub sock: SOCKET,
pub hnd: HANDLE,
_bindgen_union_align: u64,
}
pub type epoll_data_t = epoll_data;
#[repr(C)]
#[derive(Copy, Clone)]
pub struct epoll_event {
pub events: u32,
pub data: epoll_data_t,
}
extern "C" {
pub fn epoll_create(size: c_int) -> HANDLE;
pub fn epoll_create1(flags: c_int) -> HANDLE;
pub fn epoll_close(ephnd: HANDLE) -> c_int;
pub fn epoll_ctl(
ephnd: HANDLE,
op: c_int,
sock: SOCKET,
event: *mut epoll_event,
) -> c_int;
pub fn epoll_wait(
ephnd: HANDLE,
events: *mut epoll_event,
maxevents: c_int,
timeout: c_int,
) -> c_int;
}
#[cfg(test)]
mod tests {
use super::*;
use std::mem;
use std::net::UdpSocket;
use std::os::windows::io::AsRawSocket;
#[test]
fn test_poll() {
unsafe {
let socket = UdpSocket::bind("0.0.0.0:0")
.expect("Failed to bind the UDP socket");
let epoll = epoll_create(1);
if epoll.is_null() {
panic!("epoll_create(1) failed");
}
let mut event = epoll_event {
events: EPOLLOUT | EPOLLONESHOT,
data: epoll_data { u64: 42 },
};
epoll_ctl(
epoll,
EPOLL_CTL_ADD as i32,
socket.as_raw_socket() as usize,
&mut event as *mut _,
);
let mut events: [epoll_event; 1] =
mem::MaybeUninit::uninit().assume_init();
let received = epoll_wait(epoll, events.as_mut_ptr(), 1, -1);
epoll_close(epoll);
assert_eq!(received, 1);
assert_eq!(events[0].data.u64, 42);
}
}
}