From: John Hodge <tpg@portege.thepowersgang.com>
Date: Fri, 25 Sep 2009 02:37:03 +0000 (+0800)
Subject: Fix race condition with scheduler starting before task list is populated
X-Git-Tag: rel0.06~522
X-Git-Url: https://git.ucc.asn.au/?a=commitdiff_plain;h=0259a3c08b2c7d5c9d05bd0d051a67399e755638;p=tpg%2Facess2.git

Fix race condition with scheduler starting before task list is populated
---

diff --git a/Kernel/arch/x86/proc.c b/Kernel/arch/x86/proc.c
index 48a3c1a0..2413a6e2 100644
--- a/Kernel/arch/x86/proc.c
+++ b/Kernel/arch/x86/proc.c
@@ -40,7 +40,7 @@ void	Proc_Scheduler();
 // === GLOBALS ===
 // --- Current State ---
 #if USE_MP
-tThread	*gCurrentThread[MAX_CPUS] = NULL;
+tThread	*gCurrentThread[MAX_CPUS] = {NULL};
 #else
 tThread	*gCurrentThread = NULL;
 #endif
@@ -141,7 +141,14 @@ void ArchThreads_Init()
 	
 	// Change Stacks
 	Proc_ChangeStack();
-	
+}
+
+/**
+ * \fn void Proc_Start()
+ * \brief Start process scheduler
+ */
+void Proc_Start()
+{
 	// Start Interrupts (and hence scheduler)
 	__asm__ __volatile__("sti");
 }
diff --git a/Kernel/threads.c b/Kernel/threads.c
index 27356613..1644b504 100644
--- a/Kernel/threads.c
+++ b/Kernel/threads.c
@@ -13,6 +13,7 @@
 
 // === IMPORTS ===
 extern void	ArchThreads_Init();
+extern void	Proc_Start();
 extern tThread	*Proc_GetCurThread();
 extern int	Proc_Clone(Uint *Err, Uint Flags);
 
@@ -94,6 +95,8 @@ void Threads_Init()
 		for(;;)	__asm__ __volatile__ ("hlt");	// Just yeilds
 	}
 	#endif
+	
+	Proc_Start();
 }
 
 /**