init

db_include/common/file_utils.h

@@ -0,0 +1,40 @@
+/*-------------------------------------------------------------------------
+ *
+ * Assorted utility functions to work on files.
+ *
+ *
+ * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/common/file_utils.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef FILE_UTILS_H
+#define FILE_UTILS_H
+
+#include <dirent.h>
+
+typedef enum PGFileType
+{
+	PGFILETYPE_ERROR,
+	PGFILETYPE_UNKNOWN,
+	PGFILETYPE_REG,
+	PGFILETYPE_DIR,
+	PGFILETYPE_LNK
+} PGFileType;
+
+#ifdef FRONTEND
+extern int	fsync_fname(const char *fname, bool isdir);
+extern void fsync_pgdata(const char *pg_data, int serverVersion);
+extern void fsync_dir_recurse(const char *dir);
+extern int	durable_rename(const char *oldfile, const char *newfile);
+extern int	fsync_parent_path(const char *fname);
+#endif
+
+extern PGFileType get_dirent_type(const char *path,
+								  const struct dirent *de,
+								  bool look_through_symlinks,
+								  int elevel);
+
+#endif							/* FILE_UTILS_H */