tdb2: add TDB_RDONLY flag, allow setting/unsetting it.

[ccan] / ccan / tdb2 / private.h

diff --git a/ccan/tdb2/private.h b/ccan/tdb2/private.h
index 3397e04c4c4391d43bbab3e401e5a3bd0de57acf..efc3a98d8cf34ff67e2709018bc6681ef006182b 100644 (file)
--- a/ccan/tdb2/private.h
+++ b/ccan/tdb2/private.h
@@ -77,10 +77,10 @@ typedef int tdb_bool_err;
 
 /* Prevent others from opening the file. */
 #define TDB_OPEN_LOCK 0
-/* Doing a transaction. */
-#define TDB_TRANSACTION_LOCK 1
 /* Expanding file. */
 #define TDB_EXPANSION_LOCK 2
+/* Doing a transaction. */
+#define TDB_TRANSACTION_LOCK 8
 /* Hash chain locks. */
 #define TDB_HASH_LOCK_START 64
 
@@ -331,11 +331,8 @@ struct tdb_context {
        /* Are we accessing directly? (debugging check). */
        int direct_access;
 
-       /* Operating read-only? (Opened O_RDONLY, or in traverse_read) */
-       bool read_only;
-
-       /* mmap read only? */
-       int mmap_flags;
+       /* Open flags passed to tdb_open. */
+       int open_flags;
 
        /* the flags passed to tdb_open, for tdb_reopen. */
        uint32_t flags;
@@ -343,6 +340,7 @@ struct tdb_context {
        /* Logging function */
        void (*log_fn)(struct tdb_context *tdb,
                       enum tdb_log_level level,
+                      enum TDB_ERROR ecode,
                       const char *message,
                       void *data);
        void *log_data;