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-rw-r--r--include/util/lock.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/util/lock.h b/include/util/lock.h
new file mode 100644
index 0000000..78add88
--- /dev/null
+++ b/include/util/lock.h
@@ -0,0 +1,12 @@
+#ifndef UTIL_LOCK_H
+#define UTIL_LOCK_H
+
+#include <util/mutex.h>
+
+struct Lock {
+ unsigned long pid;
+} __attribute__((packed, aligned(4)));
+
+struct Lock* create_lock(void);
+
+#endif