new file mode 100644
--- /dev/null
+++ b/src/os/unix/ngx_file.h
@@ -0,0 +1,29 @@
+#ifndef _NGX_FILE_H_INCLUDED_
+#define _NGX_FILE_H_INCLUDED_
+
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+typedef int                      ngx_file_t;
+typedef struct stat              ngx_file_info_t;
+
+
+#define ngx_open_file            open
+#define ngx_open_file_n          "open"
+
+#define NGX_FILE_RDONLY          O_RDONLY
+
+
+#define ngx_file_type(file, sb)  stat(file, sb)
+#define ngx_file_type_n          "stat"
+
+#define ngx_stat_fd(fd, sb)      fstat(fd, sb)
+#define ngx_stat_fd_n            "fstat"
+
+#define ngx_is_dir(sb)           (S_ISDIR(sb.st_mode))
+#define ngx_file_size(sb)        sb.st_size
+#define ngx_file_mtime(sb)       sb.st_mtime
+
+
+#endif /* _NGX_FILE_H_INCLUDED_ */