Handle tracing on internal dbs.

diff --git a/ccan/tdb/open.c b/ccan/tdb/open.c
index 1e9ce83a25550c8f7434d6a4540a4034c901f4c3..e58d381f7ce85fc675f9d6eb7cd48e8ba51a5e2e 100644 (file)
--- a/ccan/tdb/open.c
+++ b/ccan/tdb/open.c
@@ -164,12 +164,16 @@ struct tdb_context *tdb_open_ex(const char *name, int hash_size, int tdb_flags,
        }
 
 #ifdef TDB_TRACE
-       sprintf(tracefile, "%s.trace.%u", name, getpid());
-       tdb->tracefd = open(tracefile, O_WRONLY|O_CREAT|O_EXCL, 0600);
-       if (tdb->tracefd < 0)
-               goto fail;
-       tdb_trace(tdb, "tdb_open %s %u %#x %#x %p\n",
-                 name, hash_size, tdb_flags, open_flags, hash_fn);
+       if (!(tdb_flags & TDB_INTERNAL)) {
+               sprintf(tracefile, "%s.trace.%u", name, getpid());
+               tdb->tracefd = open(tracefile, O_WRONLY|O_CREAT|O_EXCL, 0600);
+               if (tdb->tracefd < 0)
+                       goto fail;
+               tdb_trace(tdb, "tdb_open %s %u %#x %#x %p\n",
+                         name, hash_size, tdb_flags, open_flags, hash_fn);
+       } else
+               /* All writes will fail.  That's OK. */
+               tdb->tracefd = -1;
 #endif
 
        tdb_io_init(tdb);