From 6188e4d040c14d221aebebb942d424edada47671 Mon Sep 17 00:00:00 2001
From: Jeremy Soller <jackpot51@gmail.com>
Date: Mon, 9 Jan 2017 20:26:19 -0700
Subject: [PATCH] Remove event

---
 src/event.rs | 81 ----------------------------------------------------
 src/lib.rs   |  7 -----
 2 files changed, 88 deletions(-)
 delete mode 100644 src/event.rs

diff --git a/src/event.rs b/src/event.rs
deleted file mode 100644
index f22f3fe..0000000
--- a/src/event.rs
+++ /dev/null
@@ -1,81 +0,0 @@
-use collections::{BTreeMap, Vec};
-use collections::boxed::Box;
-
-use ::Result;
-
-pub struct EventQueue<R> {
-    /// The file to read events from
-    file: usize,
-    /// A map of registered file descriptors to their handler callbacks
-    callbacks: BTreeMap<usize, Box<FnMut(usize) -> Result<Option<R>>>>
-}
-
-impl<R> EventQueue<R> {
-    /// Create a new event queue
-    pub fn new() -> Result<EventQueue<R>> {
-        Ok(EventQueue {
-            file: ::open("event:", ::O_RDONLY)?,
-            callbacks: BTreeMap::new()
-        })
-    }
-
-    /// Add a file to the event queue, calling a callback when an event occurs
-    ///
-    /// The callback is given a mutable reference to the file and the event data
-    /// (typically the length of data available for read)
-    ///
-    /// The callback returns Ok(None) if it wishes to continue the event loop,
-    /// or Ok(Some(R)) to break the event loop and return the value.
-    /// Err can be used to allow the callback to return an I/O error, and break the
-    /// event loop
-    pub fn add<F: FnMut(usize) -> Result<Option<R>> + 'static>(&mut self, fd: usize, callback: F) -> Result<()> {
-        ::fevent(fd, ::EVENT_READ)?;
-
-        self.callbacks.insert(fd, Box::new(callback));
-
-        Ok(())
-    }
-
-    /// Remove a file from the event queue, returning its callback if found
-    pub fn remove(&mut self, fd: usize) -> Result<Option<Box<FnMut(usize) -> Result<Option<R>>>>> {
-        if let Some(callback) = self.callbacks.remove(&fd) {
-            ::fevent(fd, 0)?;
-
-            Ok(Some(callback))
-        } else {
-            Ok(None)
-        }
-    }
-
-    /// Send an event to a descriptor callback
-    pub fn trigger(&mut self, fd: usize, count: usize) -> Result<Option<R>> {
-        if let Some(callback) = self.callbacks.get_mut(&fd) {
-            callback(count)
-        } else {
-            Ok(None)
-        }
-    }
-
-    /// Send an event to all descriptor callbacks, useful for cleaning out buffers after init
-    pub fn trigger_all(&mut self, count: usize) -> Result<Vec<R>> {
-        let mut rets = Vec::new();
-        for (_fd, callback) in self.callbacks.iter_mut() {
-            if let Some(ret) = callback(count)? {
-                rets.push(ret);
-            }
-        }
-        Ok(rets)
-    }
-
-    /// Process the event queue until a callback returns Some(R)
-    pub fn run(&mut self) -> Result<R> {
-        loop {
-            let mut event = ::Event::default();
-            if ::read(self.file, &mut event)? > 0 {
-                if let Some(ret) = self.trigger(event.id, event.data)? {
-                    return Ok(ret);
-                }
-            }
-        }
-    }
-}
diff --git a/src/lib.rs b/src/lib.rs
index 1006522..d7b96ed 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,17 +1,13 @@
 #![deny(warnings)]
 #![feature(asm)]
-#![feature(collections)]
 #![feature(const_fn)]
 #![feature(core_intrinsics)]
 #![no_std]
 
-extern crate collections;
-
 pub use self::arch::*;
 pub use self::call::*;
 pub use self::data::*;
 pub use self::error::*;
-pub use self::event::*;
 pub use self::flag::*;
 pub use self::io::*;
 pub use self::number::*;
@@ -38,9 +34,6 @@ pub mod data;
 /// All errors that can be generated by a system call
 pub mod error;
 
-/// Event queue
-pub mod event;
-
 /// Flags used as an argument to many system calls
 pub mod flag;