From fa7f532c352d8741641f7c6f96d1dfa3d8b28130 Mon Sep 17 00:00:00 2001
From: Andreas Kling <awesomekling@gmail.com>
Date: Sat, 23 Mar 2019 23:50:34 +0100
Subject: [PATCH] Kernel: Add a Thread::all_threads() helper.

---
 Kernel/Thread.cpp | 9 +++++++++
 Kernel/Thread.h   | 2 ++
 2 files changed, 11 insertions(+)

diff --git a/Kernel/Thread.cpp b/Kernel/Thread.cpp
index cdc840ffff..0f2277380e 100644
--- a/Kernel/Thread.cpp
+++ b/Kernel/Thread.cpp
@@ -522,3 +522,12 @@ void Thread::initialize()
     g_threads = new InlineLinkedList<Thread>;
     Scheduler::initialize();
 }
+
+Vector<Thread*> Thread::all_threads()
+{
+    Vector<Thread*> threads;
+    InterruptDisabler disabler;
+    for (auto* thread = g_threads->head(); thread; thread = thread->next())
+        threads.append(thread);
+    return threads;
+}
diff --git a/Kernel/Thread.h b/Kernel/Thread.h
index c4a0095eef..8899c256d8 100644
--- a/Kernel/Thread.h
+++ b/Kernel/Thread.h
@@ -32,6 +32,8 @@ public:
     static void initialize();
     static void finalize_dying_threads();
 
+    static Vector<Thread*> all_threads();
+
     int tid() const { return m_tid; }
     int pid() const;