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-rw-r--r--src/stdio/ofl.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/stdio/ofl.c b/src/stdio/ofl.c
new file mode 100644
index 00000000..b143999c
--- /dev/null
+++ b/src/stdio/ofl.c
@@ -0,0 +1,16 @@
+#include "stdio_impl.h"
+#include "libc.h"
+
+static FILE *ofl_head;
+static volatile int ofl_lock[2];
+
+FILE **__ofl_lock()
+{
+	LOCK(ofl_lock);
+	return &ofl_head;
+}
+
+void __ofl_unlock()
+{
+	UNLOCK(ofl_lock);
+}