From f81bf65484fa8c81a1886f456c71f1e6eebe84e9 Mon Sep 17 00:00:00 2001
From: Alexis211 <alexis211@gmail.com>
Date: Tue, 10 Aug 2010 20:39:57 +0200
Subject: Added a lot of comments in kernel code. A bit of cleaning too.

---
 src/kernel/lib/mutex.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/kernel/lib/mutex.c')

diff --git a/src/kernel/lib/mutex.c b/src/kernel/lib/mutex.c
index f3ed11f..2664eb0 100644
--- a/src/kernel/lib/mutex.c
+++ b/src/kernel/lib/mutex.c
@@ -1,6 +1,7 @@
 #include "mutex.h"
 #include <task/task.h>
 
+/*	Internal use only. This function is atomic, meaning it cannot be interrupted by a system task switch. */
 static uint32_t atomic_exchange(uint32_t* ptr, uint32_t newval) {
 	uint32_t r;
 	asm volatile("xchg (%%ecx), %%eax" : "=a"(r) : "c"(ptr), "a"(newval));
-- 
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