X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=ccan%2Ftdb2%2Ftest%2Frun-tdb1-traverse-in-transaction.c;fp=ccan%2Ftdb2%2Ftest%2Frun-tdb1-traverse-in-transaction.c;h=eb925be20c85ed26a71b65cb348877176a8ff5e1;hb=fab544c24c1ad6523f95893abcaec4e6cce6c2b4;hp=0000000000000000000000000000000000000000;hpb=5d6194b434f3664d1025df12ef06c6a25f693bc8;p=ccan

diff --git a/ccan/tdb2/test/run-tdb1-traverse-in-transaction.c b/ccan/tdb2/test/run-tdb1-traverse-in-transaction.c
new file mode 100644
index 00000000..eb925be2
--- /dev/null
+++ b/ccan/tdb2/test/run-tdb1-traverse-in-transaction.c
@@ -0,0 +1,80 @@
+#include "config.h"
+#include "tdb1-lock-tracking.h"
+#define fcntl fcntl_with_lockcheck1
+#include "tdb2-source.h"
+#include <ccan/tap/tap.h>
+#undef fcntl_with_lockcheck
+#include <stdlib.h>
+#include <stdbool.h>
+#include <err.h>
+#include "tdb1-external-agent.h"
+#include "tdb1-logging.h"
+
+static struct agent *agent;
+
+static bool correct_key(TDB1_DATA key)
+{
+	return key.dsize == strlen("hi")
+		&& memcmp(key.dptr, "hi", key.dsize) == 0;
+}
+
+static bool correct_data(TDB1_DATA data)
+{
+	return data.dsize == strlen("world")
+		&& memcmp(data.dptr, "world", data.dsize) == 0;
+}
+
+static int traverse(struct tdb1_context *tdb, TDB1_DATA key, TDB1_DATA data,
+		     void *p)
+{
+	ok1(correct_key(key));
+	ok1(correct_data(data));
+	return 0;
+}
+
+int main(int argc, char *argv[])
+{
+	struct tdb1_context *tdb;
+	TDB1_DATA key, data;
+
+	plan_tests(13);
+	agent = prepare_external_agent1();
+	if (!agent)
+		err(1, "preparing agent");
+
+	tdb = tdb1_open_ex("run-traverse-in-transaction.tdb",
+			  1024, TDB1_CLEAR_IF_FIRST, O_CREAT|O_TRUNC|O_RDWR,
+			  0600, &taplogctx, NULL);
+	ok1(tdb);
+
+	key.dsize = strlen("hi");
+	key.dptr = (void *)"hi";
+	data.dptr = (void *)"world";
+	data.dsize = strlen("world");
+
+	ok1(tdb1_store(tdb, key, data, TDB1_INSERT) == 0);
+
+	ok1(external_agent_operation1(agent, OPEN, tdb1_name(tdb)) == SUCCESS);
+
+	ok1(tdb1_transaction_start(tdb) == 0);
+	ok1(external_agent_operation1(agent, TRANSACTION_START, tdb1_name(tdb))
+	    == WOULD_HAVE_BLOCKED);
+	tdb1_traverse(tdb, traverse, NULL);
+
+	/* That should *not* release the transaction lock! */
+	ok1(external_agent_operation1(agent, TRANSACTION_START, tdb1_name(tdb))
+	    == WOULD_HAVE_BLOCKED);
+	tdb1_traverse_read(tdb, traverse, NULL);
+
+	/* That should *not* release the transaction lock! */
+	ok1(external_agent_operation1(agent, TRANSACTION_START, tdb1_name(tdb))
+	    == WOULD_HAVE_BLOCKED);
+	ok1(tdb1_transaction_commit(tdb) == 0);
+	/* Now we should be fine. */
+	ok1(external_agent_operation1(agent, TRANSACTION_START, tdb1_name(tdb))
+	    == SUCCESS);
+
+	tdb1_close(tdb);
+
+	return exit_status();
+}