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-rw-r--r--usr/include/sys/file.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/usr/include/sys/file.h b/usr/include/sys/file.h
new file mode 100644
index 0000000000000..7b580f36672df
--- /dev/null
+++ b/usr/include/sys/file.h
@@ -0,0 +1,9 @@
+#ifndef _SYS_FILE_H
+#define _SYS_FILE_H
+
+/* LOCK_ definitions */
+#include <fcntl.h>
+
+__extern int flock(int, int);
+
+#endif /* _SYS_FILE_H */