From 7bf420d83dc6f3b5a1e0cd2710cad78298056ddf Mon Sep 17 00:00:00 2001
From: Robin Burchell <robin+git@viroteck.net>
Date: Tue, 16 Jul 2019 15:02:22 +0200
Subject: [PATCH] CNotifier: Provide a way to unregister a notifier temporarily

---
 Libraries/LibCore/CNotifier.cpp | 12 ++++++++++--
 Libraries/LibCore/CNotifier.h   |  2 ++
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/Libraries/LibCore/CNotifier.cpp b/Libraries/LibCore/CNotifier.cpp
index c124191ac1f..d042a579ca0 100644
--- a/Libraries/LibCore/CNotifier.cpp
+++ b/Libraries/LibCore/CNotifier.cpp
@@ -6,10 +6,18 @@ CNotifier::CNotifier(int fd, unsigned event_mask)
     : m_fd(fd)
     , m_event_mask(event_mask)
 {
-    CEventLoop::register_notifier({}, *this);
+    set_enabled(true);
 }
 
 CNotifier::~CNotifier()
 {
-    CEventLoop::unregister_notifier({}, *this);
+    set_enabled(false);
+}
+
+void CNotifier::set_enabled(bool enabled)
+{
+    if (enabled)
+        CEventLoop::register_notifier({}, *this);
+    else
+        CEventLoop::unregister_notifier({}, *this);
 }
diff --git a/Libraries/LibCore/CNotifier.h b/Libraries/LibCore/CNotifier.h
index 196cad8388a..7ef16519148 100644
--- a/Libraries/LibCore/CNotifier.h
+++ b/Libraries/LibCore/CNotifier.h
@@ -13,6 +13,8 @@ public:
     CNotifier(int fd, unsigned event_mask);
     ~CNotifier();
 
+    void set_enabled(bool);
+
     Function<void()> on_ready_to_read;
     Function<void()> on_ready_to_write;