1 files changed, 21 insertions, 0 deletions
diff --git a/include/musl/sys/file.h b/include/musl/sys/file.h
new file mode 100644
index 0000000..4fc83b9
--- /dev/null
+++ b/include/musl/sys/file.h
@@ -0,0 +1,21 @@
+#ifndef _SYS_FILE_H
+#define _SYS_FILE_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define LOCK_SH	1
+#define LOCK_EX	2
+#define LOCK_NB	4
+#define LOCK_UN	8
+
+#define L_SET 0
+#define L_INCR 1
+#define L_XTND 2
+
+int flock(int, int);
+
+#ifdef __cplusplus
+}
+#endif
+#endif