X-Git-Url: https://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Ftdb%2Fopen.c;h=4a1cb235e271228564038c6173b1056b21573be1;hp=8cd25cc5b5bc7802a9ebc3e7ad2ce0b7df4c9c28;hb=d72286e0ad7084ceb0fd636bb84ba848ce28f4be;hpb=46b1a03e21303e03b68de213b41c0840767fbc96

diff --git a/ccan/tdb/open.c b/ccan/tdb/open.c
index 8cd25cc5..4a1cb235 100644
--- a/ccan/tdb/open.c
+++ b/ccan/tdb/open.c
@@ -153,6 +153,9 @@ struct tdb_context *tdb_open_ex(const char *name, int hash_size, int tdb_flags,
 	unsigned char *vp;
 	uint32_t vertest;
 	unsigned v;
+#ifdef TDB_TRACE
+	char tracefile[strlen(name) + 32];
+#endif
 
 	if (!(tdb = (struct tdb_context *)calloc(1, sizeof *tdb))) {
 		/* Can't log this */
@@ -206,6 +209,10 @@ struct tdb_context *tdb_open_ex(const char *name, int hash_size, int tdb_flags,
 			TDB_LOG((tdb, TDB_DEBUG_ERROR, "tdb_open_ex: tdb_new_database failed!"));
 			goto fail;
 		}
+#ifdef TDB_TRACE
+		/* All tracing will fail.  That's ok. */
+		tdb->tracefd = -1;
+#endif
 		goto internal;
 	}
 
@@ -314,6 +321,15 @@ struct tdb_context *tdb_open_ex(const char *name, int hash_size, int tdb_flags,
 		goto fail;
 	}
 
+#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_enable_seqnum(tdb);
+	tdb_trace_open(tdb, "tdb_open", hash_size, tdb_flags, open_flags);
+#endif
+
  internal:
 	/* Internal (memory-only) databases skip all the code above to
 	 * do with disk files, and resume here by releasing their
@@ -329,6 +345,8 @@ struct tdb_context *tdb_open_ex(const char *name, int hash_size, int tdb_flags,
 
 	if (!tdb)
 		return NULL;
+
+	close(tdb->tracefd);
 	
 	if (tdb->map_ptr) {
 		if (tdb->flags & TDB_INTERNAL)
@@ -365,8 +383,9 @@ int tdb_close(struct tdb_context *tdb)
 	struct tdb_context **i;
 	int ret = 0;
 
+	tdb_trace(tdb, "tdb_close");
 	if (tdb->transaction) {
-		tdb_transaction_cancel(tdb);
+		tdb_transaction_cancel_internal(tdb);
 	}
 
 	if (tdb->map_ptr) {
@@ -388,6 +407,7 @@ int tdb_close(struct tdb_context *tdb)
 		}
 	}
 
+	close(tdb->tracefd);
 	memset(tdb, 0, sizeof(*tdb));
 	SAFE_FREE(tdb);