From 32a58c3b6434ea8c54bfab618f5dd8bd972b4316 Mon Sep 17 00:00:00 2001
From: Jeremy Soller <jackpot51@gmail.com>
Date: Sun, 20 May 2018 15:19:40 -0600
Subject: [PATCH] Update event crate

---
 Cargo.lock        |  4 ++--
 vesad/src/main.rs | 24 +++++++++++++-----------
 2 files changed, 15 insertions(+), 13 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 6c4aea5d26..91d6e506e3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -262,7 +262,7 @@ dependencies = [
 [[package]]
 name = "netutils"
 version = "0.1.0"
-source = "git+https://github.com/redox-os/netutils.git#7eda176e6b4e2edbcc0616247598ec5e87bfe8e8"
+source = "git+https://github.com/redox-os/netutils.git#f1861a0caa73c5351a3594cc39a677af709b8cbe"
 dependencies = [
  "arg_parser 0.1.0 (git+https://github.com/redox-os/arg-parser.git)",
  "extra 0.1.0 (git+https://github.com/redox-os/libextra.git)",
@@ -469,7 +469,7 @@ dependencies = [
 [[package]]
 name = "redox_event"
 version = "0.1.0"
-source = "git+https://github.com/redox-os/event.git#f2448cdafefa5a8deb304d7ea09faf3feb5ff328"
+source = "git+https://github.com/redox-os/event.git#e9bf8ee4622cb82af2a10032ed711174b2188afd"
 dependencies = [
  "redox_syscall 0.1.37 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
diff --git a/vesad/src/main.rs b/vesad/src/main.rs
index 37ef329902..97e25180dc 100644
--- a/vesad/src/main.rs
+++ b/vesad/src/main.rs
@@ -94,18 +94,20 @@ fn main() {
                 for (handle_id, handle) in scheme.handles.iter() {
                     if handle.events & EVENT_READ != 0 {
                         if let Some(count) = scheme.can_read(*handle_id) {
-                            let event_packet = Packet {
-                                id: 0,
-                                pid: 0,
-                                uid: 0,
-                                gid: 0,
-                                a: syscall::number::SYS_FEVENT,
-                                b: *handle_id,
-                                c: EVENT_READ,
-                                d: count
-                            };
+                            if count > 0 {
+                                let event_packet = Packet {
+                                    id: 0,
+                                    pid: 0,
+                                    uid: 0,
+                                    gid: 0,
+                                    a: syscall::number::SYS_FEVENT,
+                                    b: *handle_id,
+                                    c: EVENT_READ,
+                                    d: count
+                                };
 
-                            socket.write(&event_packet).expect("vesad: failed to write display event");
+                                socket.write(&event_packet).expect("vesad: failed to write display event");
+                            }
                         }
                     }
                 }