1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
#include "../common/tdb_private.h"
#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 "tap-interface.h"
#include <stdlib.h>
#include <stdbool.h>
#include "logging.h"
int main(int argc, char *argv[])
{
struct tdb_context *tdb;
TDB_DATA key, data;
plan_tests(27);
key.dsize = strlen("hi");
key.dptr = (void *)"hi";
tdb = tdb_open_ex("run-nested-transactions.tdb",
1024, TDB_CLEAR_IF_FIRST|TDB_DISALLOW_NESTING,
O_CREAT|O_TRUNC|O_RDWR, 0600, &taplogctx, NULL);
ok1(tdb);
/* Nesting disallowed. */
ok1(tdb_transaction_start(tdb) == 0);
data.dptr = (void *)"world";
data.dsize = strlen("world");
ok1(tdb_store(tdb, key, data, TDB_INSERT) == 0);
data = tdb_fetch(tdb, key);
ok1(data.dsize == strlen("world"));
ok1(memcmp(data.dptr, "world", strlen("world")) == 0);
free(data.dptr);
ok1(tdb_transaction_start(tdb) != 0);
ok1(tdb_error(tdb) == TDB_ERR_NESTING);
data = tdb_fetch(tdb, key);
ok1(data.dsize == strlen("world"));
ok1(memcmp(data.dptr, "world", strlen("world")) == 0);
free(data.dptr);
ok1(tdb_transaction_commit(tdb) == 0);
data = tdb_fetch(tdb, key);
ok1(data.dsize == strlen("world"));
ok1(memcmp(data.dptr, "world", strlen("world")) == 0);
free(data.dptr);
tdb_close(tdb);
/* Nesting allowed by default */
tdb = tdb_open_ex("run-nested-transactions.tdb",
1024, TDB_DEFAULT, O_RDWR, 0, &taplogctx, NULL);
ok1(tdb);
ok1(tdb_transaction_start(tdb) == 0);
ok1(tdb_transaction_start(tdb) == 0);
ok1(tdb_delete(tdb, key) == 0);
ok1(tdb_transaction_commit(tdb) == 0);
ok1(!tdb_exists(tdb, key));
ok1(tdb_transaction_cancel(tdb) == 0);
/* Surprise! Kills inner "committed" transaction. */
ok1(tdb_exists(tdb, key));
ok1(tdb_transaction_start(tdb) == 0);
ok1(tdb_transaction_start(tdb) == 0);
ok1(tdb_delete(tdb, key) == 0);
ok1(tdb_transaction_commit(tdb) == 0);
ok1(!tdb_exists(tdb, key));
ok1(tdb_transaction_commit(tdb) == 0);
ok1(!tdb_exists(tdb, key));
tdb_close(tdb);
return exit_status();
}
|
