From 200f22578700b82c5a2d2052c9fda0d9e431d25f Mon Sep 17 00:00:00 2001
From: Stefan Zabka <zabkaste@hu-berlin.de>
Date: Fri, 12 Jun 2020 00:05:28 +0200
Subject: THIS SHIT WORKS

---
 04_exercise/rwlock/rwlock.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 04_exercise/rwlock/rwlock.h

(limited to '04_exercise/rwlock/rwlock.h')

diff --git a/04_exercise/rwlock/rwlock.h b/04_exercise/rwlock/rwlock.h
new file mode 100644
index 0000000..aa27f09
--- /dev/null
+++ b/04_exercise/rwlock/rwlock.h
@@ -0,0 +1,16 @@
+//
+// Created by stefan on 11.06.20.
+//
+
+#ifndef BETRIEBSYSTEME_RWLOCK_H
+#define BETRIEBSYSTEME_RWLOCK_H
+#include <stdatomic.h>
+
+static const char RW_WRITE_LOCKED = -1;
+static const char RW_UNLOCKED = 0;
+void rwLockWrite(atomic_char *lock);
+void rwUnlockWrite(atomic_char *lock);
+void rwLockRead(atomic_char *lock);
+void rwUnlockRead(atomic_char *lock);
+
+#endif // BETRIEBSYSTEME_RWLOCK_H
-- 
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