diff --git a/src/header/sys_epoll/linux.rs b/src/header/sys_epoll/linux.rs
index af4972e7006f0365147d6c408ae6a27e53c3ebf7..654d4ff5cea04ac946b47da3ca6485f0d4ac5d9c 100644
--- a/src/header/sys_epoll/linux.rs
+++ b/src/header/sys_epoll/linux.rs
@@ -1,3 +1,20 @@
use platform::types::*;
pub const EPOLL_CLOEXEC: c_int = 0x8_0000;
+
+pub const EPOLLIN: c_uint = 0x001;
+pub const EPOLLPRI: c_uint = 0x002;
+pub const EPOLLOUT: c_uint = 0x004;
+pub const EPOLLRDNORM: c_uint = 0x040;
+pub const EPOLLNVAL: c_uint = 0x020;
+pub const EPOLLRDBAND: c_uint = 0x080;
+pub const EPOLLWRNORM: c_uint = 0x100;
+pub const EPOLLWRBAND: c_uint = 0x200;
+pub const EPOLLMSG: c_uint = 0x400;
+pub const EPOLLERR: c_uint = 0x008;
+pub const EPOLLHUP: c_uint = 0x010;
+pub const EPOLLRDHUP: c_uint = 0x2000;
+pub const EPOLLEXCLUSIVE: c_uint = 1 << 28;
+pub const EPOLLWAKEUP: c_uint = 1 << 29;
+pub const EPOLLONESHOT: c_uint = 1 << 30;
+pub const EPOLLET: c_uint = 1 << 31;
diff --git a/src/header/sys_epoll/mod.rs b/src/header/sys_epoll/mod.rs
index 06893bc0aa45d61fee2ebfe8ed7bf0b852fa85d3..ab8e4fc0d15cb6d3cf8b04907980a3fd162aa08c 100644
--- a/src/header/sys_epoll/mod.rs
+++ b/src/header/sys_epoll/mod.rs
@@ -20,20 +20,8 @@ pub const EPOLL_CTL_ADD: c_int = 1;
pub const EPOLL_CTL_DEL: c_int = 2;
pub const EPOLL_CTL_MOD: c_int = 3;
-pub const EPOLLIN: u32 = 0x0001;
-pub const EPOLLPRI: u32 = 0x0002;
-pub const EPOLLOUT: u32 = 0x0004;
-pub const EPOLLERR: u32 = 0x0008;
-pub const EPOLLHUP: u32 = 0x0010;
-pub const EPOLLNVAL: u32 = 0x0020;
-pub const EPOLLRDNORM: u32 = 0x0040;
-pub const EPOLLRDBAND: u32 = 0x0080;
-pub const EPOLLWRNORM: u32 = 0x0100;
-pub const EPOLLWRBAND: u32 = 0x0200;
-pub const EPOLLMSG: u32 = 0x0400;
-pub const EPOLLRDHUP: u32 = 0x2000;
-
#[repr(C)]
+#[derive(Clone, Copy)]
pub union epoll_data {
pub ptr: *mut c_void,
pub fd: c_int,
@@ -42,6 +30,7 @@ pub union epoll_data {
}
#[repr(C)]
+#[derive(Clone, Copy)]
pub struct epoll_event {
pub events: u32,
pub data: epoll_data,
diff --git a/src/header/sys_epoll/redox.rs b/src/header/sys_epoll/redox.rs
index 870f7f9d9f9c4864ca6fb158276313c8397c8bb7..3a89259baa89163e43e2fff83bf529ee894a3afc 100644
--- a/src/header/sys_epoll/redox.rs
+++ b/src/header/sys_epoll/redox.rs
@@ -1,3 +1,22 @@
+use syscall::flag::{EVENT_READ, EVENT_WRITE};
+use header::fcntl::O_CLOEXEC;
use platform::types::*;
-pub const EPOLL_CLOEXEC: c_int = 0x0100_0000;
+pub const EPOLL_CLOEXEC: c_int = O_CLOEXEC;
+
+pub const EPOLLIN: c_uint = EVENT_READ as c_uint;
+pub const EPOLLPRI: c_uint = 0;
+pub const EPOLLOUT: c_uint = EVENT_WRITE as c_uint;
+pub const EPOLLRDNORM: c_uint = 0;
+pub const EPOLLNVAL: c_uint = 0;
+pub const EPOLLRDBAND: c_uint = 0;
+pub const EPOLLWRNORM: c_uint = 0;
+pub const EPOLLWRBAND: c_uint = 0;
+pub const EPOLLMSG: c_uint = 0;
+pub const EPOLLERR: c_uint = 0;
+pub const EPOLLHUP: c_uint = 0;
+pub const EPOLLRDHUP: c_uint = 0;
+pub const EPOLLEXCLUSIVE: c_uint = 0;
+pub const EPOLLWAKEUP: c_uint = 0;
+pub const EPOLLONESHOT: c_uint = 0;
+pub const EPOLLET: c_uint = 0;
diff --git a/src/platform/redox/epoll.rs b/src/platform/redox/epoll.rs
new file mode 100644
index 0000000000000000000000000000000000000000..c266e46352792925d907d34ed01a3f9a700423fc
--- /dev/null
+++ b/src/platform/redox/epoll.rs
@@ -0,0 +1,86 @@
+use super::super::types::*;
+use super::super::{Pal, PalEpoll};
+use super::Sys;
+
+use c_str::CStr;
+use core::{mem, slice};
+use fs::File;
+use io::prelude::*;
+use header::errno::*;
+use header::fcntl::*;
+use header::signal::sigset_t;
+use header::sys_epoll::*;
+use syscall::data::{Event, TimeSpec};
+use syscall::flag::EVENT_READ;
+
+impl PalEpoll for Sys {
+ fn epoll_create1(flags: c_int) -> c_int {
+ Sys::open(
+ CStr::from_bytes_with_nul(b"event:\0").unwrap(),
+ O_RDWR | flags,
+ 0
+ )
+ }
+
+ fn epoll_ctl(epfd: c_int, op: c_int, fd: c_int, event: *mut epoll_event) -> c_int {
+ let flags = unsafe { (*event).events };
+ Sys::write(epfd, &Event {
+ id: fd as usize,
+ flags: flags as usize,
+ data: event as usize
+ }) as c_int
+ }
+
+ fn epoll_pwait(epfd: c_int, mut events: *mut epoll_event, maxevents: c_int, timeout: c_int, _sigset: *const sigset_t) -> c_int {
+ // TODO: sigset
+
+ let mut redox_events = vec![Event::default(); maxevents as usize];
+
+ let _timer;
+ if timeout != -1 {
+ _timer = File::open(CStr::from_bytes_with_nul(b"time:\0").unwrap(), O_RDWR);
+ match _timer {
+ Err(_) => return -1,
+ Ok(mut timer) => {
+ let mut time = TimeSpec::default();
+ if let Err(err) = timer.read(&mut time) {
+ return -1;
+ }
+ time.tv_nsec += timeout;
+ if let Err(err) = timer.write(&time) {
+ return -1;
+ }
+
+ if Sys::write(epfd, &Event {
+ id: timer.fd as usize,
+ flags: EVENT_READ,
+ data: 0
+ }) == -1 {
+ return -1;
+ }
+ }
+ }
+ }
+
+ let bytes_read = Sys::read(epfd, unsafe { slice::from_raw_parts_mut(
+ redox_events.as_mut_ptr() as *mut u8,
+ redox_events.len() * mem::size_of::<Event>()
+ ) });
+ if bytes_read == -1 {
+ return -1;
+ }
+ let read = bytes_read as usize / mem::size_of::<Event>();
+
+ for event in &redox_events {
+ if event.data == 0 {
+ return EINTR;
+ }
+ unsafe {
+ *events = *(event.data as *mut epoll_event);
+ events = events.add(mem::size_of::<epoll_event>());
+ }
+ }
+
+ read as c_int
+ }
+}
diff --git a/src/platform/redox/mod.rs b/src/platform/redox/mod.rs
index 41d4b6e4dc086a10cdbcea301a1f6806da838826..603761c07afb7208fe5c91aee56d62128761541a 100644
--- a/src/platform/redox/mod.rs
+++ b/src/platform/redox/mod.rs
@@ -1,6 +1,5 @@
//! sys/socket implementation, following http://pubs.opengroup.org/onlinepubs/009696699/basedefs/sys/socket.h.html
-use cbitset::BitSet;
use core::result::Result as CoreResult;
use core::{mem, ptr, slice};
use syscall::data::Map;
@@ -27,6 +26,7 @@ use io::{self, BufReader, SeekFrom};
use super::types::*;
use super::{errno, Pal, Read};
+mod epoll;
mod extra;
mod signal;
mod socket;