From f3e03796652b792bb3fd5d3d25b687b9a7f14633 Mon Sep 17 00:00:00 2001
From: Alex AUVOLAT <alexis211@gmail.com>
Date: Fri, 18 May 2012 11:25:25 +0200
Subject: A bit of a change in the directory layout.

---
 src/kernel/lib/sched.h | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 src/kernel/lib/sched.h

(limited to 'src/kernel/lib/sched.h')

diff --git a/src/kernel/lib/sched.h b/src/kernel/lib/sched.h
new file mode 100644
index 0000000..1fe148d
--- /dev/null
+++ b/src/kernel/lib/sched.h
@@ -0,0 +1,24 @@
+#ifndef DEF_MUTEX_H
+#define DEF_MUTEX_H
+
+#include <types.h>
+
+#define MUTEX_LOCKED 1
+#define MUTEX_UNLOCKED 0
+
+//A mutex is just an uint32_t
+typedef uint32_t mutex_t;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int mutex_lock(mutex_t* mutex);	//wait for mutex to be free
+int mutex_lockE(mutex_t* mutex);	//lock mutex only if free, returns !0 if locked, 0 if was busy
+void mutex_unlock(mutex_t* mutex);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
-- 
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