Initial version

1 files changed, 18 insertions, 0 deletions

diff --git a/src/stdio/ofl.c b/src/stdio/ofl.c
new file mode 100644
index 0000000..aad3d17
--- /dev/null
+++ b/src/stdio/ofl.c
@@ -0,0 +1,18 @@
+#include "stdio_impl.h"
+#include "lock.h"
+#include "fork_impl.h"
+
+static FILE *ofl_head;
+static volatile int ofl_lock[1];
+volatile int *const __stdio_ofl_lockptr = ofl_lock;
+
+FILE **__ofl_lock()
+{
+	LOCK(ofl_lock);
+	return &ofl_head;
+}
+
+void __ofl_unlock()
+{
+	UNLOCK(ofl_lock);
+}