From 6e5d2b5335f6fce15115ff42ce6ca4c3b7beeaf6 Mon Sep 17 00:00:00 2001
From: apio <blobs.trading@gmail.com>
Date: Sat, 17 Dec 2022 10:50:49 +0100
Subject: [PATCH] Thread: Make g_next_id atomic

---
 kernel/src/main.cpp          | 1 +
 kernel/src/thread/Thread.cpp | 8 +++++++-
 kernel/src/thread/Thread.h   | 2 ++
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/kernel/src/main.cpp b/kernel/src/main.cpp
index 05768089..1a45e8b3 100644
--- a/kernel/src/main.cpp
+++ b/kernel/src/main.cpp
@@ -49,6 +49,7 @@ Result<void> init()
     kinfoln("Used memory:     %s", to_dynamic_unit(MemoryManager::used()).release_value().chars());
     kinfoln("Reserved memory: %s", to_dynamic_unit(MemoryManager::reserved()).release_value().chars());
 
+    Thread::init();
     Scheduler::init();
 
     TRY(Scheduler::new_kernel_thread(async_thread));
diff --git a/kernel/src/thread/Thread.cpp b/kernel/src/thread/Thread.cpp
index 5f834d6e..48540869 100644
--- a/kernel/src/thread/Thread.cpp
+++ b/kernel/src/thread/Thread.cpp
@@ -1,10 +1,16 @@
 #include "thread/Thread.h"
 #include <luna/Alloc.h>
+#include <luna/Atomic.h>
 
-static u64 g_next_id = 1;
+static Atomic<u64> g_next_id;
 
 DoublyLinkedList<Thread> g_threads;
 
+void Thread::init()
+{
+    g_next_id = 1;
+}
+
 Result<Thread*> new_thread()
 {
     Thread* thread = TRY(make<Thread>());
diff --git a/kernel/src/thread/Thread.h b/kernel/src/thread/Thread.h
index 53e41a21..ad33d895 100644
--- a/kernel/src/thread/Thread.h
+++ b/kernel/src/thread/Thread.h
@@ -47,6 +47,8 @@ struct Thread : public DoublyLinkedListNode<Thread>
 
     void set_sp(u64 sp);
     u64 sp();
+
+    static void init();
 };
 
 void switch_context(Thread* old_thread, Thread* new_thread, Registers* regs);