Adding upstream version 1.4.8.upstream/1.4.8upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 269 insertions, 0 deletions

diff --git a/test/run-mutex-die.c b/test/run-mutex-die.c
new file mode 100644
index 0000000..4b8eac1
--- /dev/null
+++ b/test/run-mutex-die.c
@@ -0,0 +1,269 @@
+#include "../common/tdb_private.h"
+#include "lock-tracking.h"
+static ssize_t pwrite_check(int fd, const void *buf, size_t count, off_t offset);
+static ssize_t write_check(int fd, const void *buf, size_t count);
+static int ftruncate_check(int fd, off_t length);
+
+#define pwrite pwrite_check
+#define write write_check
+#define fcntl fcntl_with_lockcheck
+#define ftruncate ftruncate_check
+
+#include "../common/io.c"
+#include "../common/tdb.c"
+#include "../common/lock.c"
+#include "../common/freelist.c"
+#include "../common/traverse.c"
+#include "../common/transaction.c"
+#include "../common/error.c"
+#include "../common/open.c"
+#include "../common/check.c"
+#include "../common/hash.c"
+#include "../common/mutex.c"
+#include "tap-interface.h"
+#include <stdlib.h>
+#include <stdbool.h>
+#include <stdarg.h>
+#include "external-agent.h"
+#include "logging.h"
+
+#undef write
+#undef pwrite
+#undef fcntl
+#undef ftruncate
+
+static int target, current;
+#define TEST_DBNAME "run-mutex-die.tdb"
+#define KEY_STRING "helloworld"
+
+static void maybe_die(int fd)
+{
+	if (target == 0) {
+		return;
+	}
+	current += 1;
+	if (current == target) {
+		_exit(1);
+	}
+}
+
+static ssize_t pwrite_check(int fd,
+			    const void *buf, size_t count, off_t offset)
+{
+	ssize_t ret;
+
+	maybe_die(fd);
+
+	ret = pwrite(fd, buf, count, offset);
+	if (ret != count)
+		return ret;
+
+	maybe_die(fd);
+	return ret;
+}
+
+static ssize_t write_check(int fd, const void *buf, size_t count)
+{
+	ssize_t ret;
+
+	maybe_die(fd);
+
+	ret = write(fd, buf, count);
+	if (ret != count)
+		return ret;
+
+	maybe_die(fd);
+	return ret;
+}
+
+static int ftruncate_check(int fd, off_t length)
+{
+	int ret;
+
+	maybe_die(fd);
+
+	ret = ftruncate(fd, length);
+
+	maybe_die(fd);
+	return ret;
+}
+
+static enum agent_return flakey_ops(struct agent *a)
+{
+	enum agent_return ret;
+
+	/*
+	 * Run in the external agent child
+	 */
+
+	ret = external_agent_operation(a, OPEN_WITH_CLEAR_IF_FIRST, TEST_DBNAME);
+	if (ret != SUCCESS) {
+		fprintf(stderr, "Agent failed to open: %s\n",
+			agent_return_name(ret));
+		return ret;
+	}
+	ret = external_agent_operation(a, UNMAP, "");
+	if (ret != SUCCESS) {
+		fprintf(stderr, "Agent failed to unmap: %s\n",
+			agent_return_name(ret));
+		return ret;
+	}
+	ret = external_agent_operation(a, STORE, "xyz");
+	if (ret != SUCCESS) {
+		fprintf(stderr, "Agent failed to store: %s\n",
+			agent_return_name(ret));
+		return ret;
+	}
+	ret = external_agent_operation(a, STORE, KEY_STRING);
+	if (ret != SUCCESS) {
+		fprintf(stderr, "Agent failed store: %s\n",
+			agent_return_name(ret));
+		return ret;
+	}
+	ret = external_agent_operation(a, FETCH, KEY_STRING);
+	if (ret != SUCCESS) {
+		fprintf(stderr, "Agent failed find key: %s\n",
+			agent_return_name(ret));
+		return ret;
+	}
+	ret = external_agent_operation(a, PING, "");
+	if (ret != SUCCESS) {
+		fprintf(stderr, "Agent failed ping: %s\n",
+			agent_return_name(ret));
+		return ret;
+	}
+	return ret;
+}
+
+static bool prep_db(void) {
+	struct tdb_context *tdb;
+	TDB_DATA key;
+	TDB_DATA data;
+
+	key.dptr = discard_const_p(uint8_t, KEY_STRING);
+	key.dsize = strlen((char *)key.dptr);
+	data.dptr = discard_const_p(uint8_t, "foo");
+	data.dsize = strlen((char *)data.dptr);
+
+	unlink(TEST_DBNAME);
+
+	tdb = tdb_open_ex(
+		TEST_DBNAME, 2,
+		TDB_INCOMPATIBLE_HASH|TDB_MUTEX_LOCKING|TDB_CLEAR_IF_FIRST,
+		O_CREAT|O_TRUNC|O_RDWR, 0600, &taplogctx, NULL);
+	if (tdb == NULL) {
+		return false;
+	}
+
+	if (tdb_store(tdb, key, data, TDB_INSERT) != 0) {
+		return false;
+	}
+
+	tdb_close(tdb);
+	tdb = NULL;
+
+	forget_locking();
+
+	return true;
+}
+
+static bool test_db(void) {
+	struct tdb_context *tdb;
+	int ret;
+
+	tdb = tdb_open_ex(
+		TEST_DBNAME, 1024, TDB_INCOMPATIBLE_HASH,
+		O_RDWR, 0600, &taplogctx, NULL);
+
+	if (tdb == NULL) {
+		perror("tdb_open_ex failed");
+		return false;
+	}
+
+	ret = tdb_traverse(tdb, NULL, NULL);
+	if (ret == -1) {
+		perror("traverse failed");
+		goto fail;
+	}
+
+	tdb_close(tdb);
+
+	forget_locking();
+
+	return true;
+
+fail:
+	tdb_close(tdb);
+	return false;
+}
+
+static bool test_one(void)
+{
+	enum agent_return ret;
+
+	ret = AGENT_DIED;
+	target = 19;
+
+	while (ret != SUCCESS) {
+		struct agent *agent;
+
+		{
+			int child_target = target;
+			bool pret;
+			target = 0;
+			pret = prep_db();
+			ok1(pret);
+			target = child_target;
+		}
+
+		agent = prepare_external_agent();
+
+		ret = flakey_ops(agent);
+
+		diag("Agent (target=%d) returns %s",
+		     target, agent_return_name(ret));
+
+		if (ret == SUCCESS) {
+			ok((target > 19), "At least one AGENT_DIED expected");
+		} else {
+			ok(ret == AGENT_DIED, "AGENT_DIED expected");
+		}
+
+		shutdown_agent(agent);
+
+		{
+			int child_target = target;
+			bool tret;
+			target = 0;
+			tret = test_db();
+			ok1(tret);
+			target = child_target;
+		}
+
+		target += 1;
+	}
+
+	return true;
+}
+
+int main(int argc, char *argv[])
+{
+	bool ret;
+	bool runtime_support;
+
+	runtime_support = tdb_runtime_check_for_robust_mutexes();
+
+	if (!runtime_support) {
+		skip(1, "No robust mutex support");
+		return exit_status();
+	}
+
+	plan_tests(12);
+	unlock_callback = maybe_die;
+
+	ret = test_one();
+	ok1(ret);
+
+	diag("done");
+	return exit_status();
+}