1 #include "../common/tdb_private.h"
3 /* Speed up the tests, but do the actual sync tests. */
4 static unsigned int sync_counts = 0;
5 static inline int fake_fsync(int fd)
10 #define fsync fake_fsync
13 static inline int fake_msync(void *addr, size_t length, int flags)
18 #define msync fake_msync
22 static inline int fake_fdatasync(int fd)
27 #define fdatasync fake_fdatasync
30 #include "../common/io.c"
31 #include "../common/tdb.c"
32 #include "../common/lock.c"
33 #include "../common/freelist.c"
34 #include "../common/traverse.c"
35 #include "../common/transaction.c"
36 #include "../common/error.c"
37 #include "../common/open.c"
38 #include "../common/check.c"
39 #include "../common/hash.c"
40 #include "../common/mutex.c"
41 #include "tap-interface.h"
45 static void write_record(struct tdb_context *tdb, size_t extra_len,
49 key.dsize = strlen("hi");
50 key.dptr = discard_const_p(uint8_t, "hi");
52 data->dsize += extra_len;
53 tdb_transaction_start(tdb);
54 tdb_store(tdb, key, *data, TDB_REPLACE);
55 tdb_transaction_commit(tdb);
58 int main(int argc, char *argv[])
60 struct tdb_context *tdb;
63 struct tdb_record rec;
66 /* Do *not* suppress sync for this test; we do it ourselves. */
67 unsetenv("TDB_NO_FSYNC");
70 tdb = tdb_open_ex("run-transaction-expand.tdb",
71 1024, TDB_CLEAR_IF_FIRST,
72 O_CREAT|O_TRUNC|O_RDWR, 0600, &taplogctx, NULL);
76 data.dptr = calloc(1000, getpagesize());
77 if (data.dptr == NULL) {
78 diag("Unable to allocate memory for data.dptr");
83 /* Simulate a slowly growing record. */
84 for (i = 0; i < 1000; i++)
85 write_record(tdb, getpagesize(), &data);
87 tdb_ofs_read(tdb, TDB_RECOVERY_HEAD, &off);
88 tdb_read(tdb, off, &rec, sizeof(rec), DOCONV());
89 diag("TDB size = %zu, recovery = %llu-%llu",
90 (size_t)tdb->map_size, (unsigned long long)off, (unsigned long long)(off + sizeof(rec) + rec.rec_len));
92 /* We should only be about 5 times larger than largest record. */
93 ok1(tdb->map_size < 6 * i * getpagesize());
96 tdb = tdb_open_ex("run-transaction-expand.tdb",
97 1024, TDB_CLEAR_IF_FIRST,
98 O_CREAT|O_TRUNC|O_RDWR, 0600, &taplogctx, NULL);
103 /* Simulate a slowly growing record, repacking to keep
104 * recovery area at end. */
105 for (i = 0; i < 1000; i++) {
106 write_record(tdb, getpagesize(), &data);
111 tdb_ofs_read(tdb, TDB_RECOVERY_HEAD, &off);
112 tdb_read(tdb, off, &rec, sizeof(rec), DOCONV());
113 diag("TDB size = %zu, recovery = %llu-%llu",
114 (size_t)tdb->map_size, (unsigned long long)off, (unsigned long long)(off + sizeof(rec) + rec.rec_len));
116 /* We should only be about 4 times larger than largest record. */
117 ok1(tdb->map_size < 5 * i * getpagesize());
119 /* We should have synchronized multiple times. */
124 return exit_status();