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tdb2: merge tdb1_context into tdb_context.
[ccan] / ccan / tdb2 / test / run-tdb1-no-lock-during-traverse.c
1 #include <ccan/tdb2/private.h>
2 #include <unistd.h>
3 #include "tdb1-lock-tracking.h"
4
5 #define fcntl fcntl_with_lockcheck1
6
7 #include "tdb2-source.h"
8 #include <ccan/tap/tap.h>
9 #include <stdlib.h>
10 #include <err.h>
11 #include "tdb1-logging.h"
12
13 #undef fcntl
14
15 #define NUM_ENTRIES 10
16
17 static bool prepare_entries(struct tdb_context *tdb)
18 {
19         unsigned int i;
20         TDB_DATA key, data;
21
22         for (i = 0; i < NUM_ENTRIES; i++) {
23                 key.dsize = sizeof(i);
24                 key.dptr = (void *)&i;
25                 data.dsize = strlen("world");
26                 data.dptr = (void *)"world";
27
28                 if (tdb1_store(tdb, key, data, 0) != 0)
29                         return false;
30         }
31         return true;
32 }
33
34 static void delete_entries(struct tdb_context *tdb)
35 {
36         unsigned int i;
37         TDB_DATA key;
38
39         for (i = 0; i < NUM_ENTRIES; i++) {
40                 key.dsize = sizeof(i);
41                 key.dptr = (void *)&i;
42
43                 ok1(tdb1_delete(tdb, key) == 0);
44         }
45 }
46
47 /* We don't know how many times this will run. */
48 static int delete_other(struct tdb_context *tdb, TDB_DATA key, TDB_DATA data,
49                         void *private_data)
50 {
51         unsigned int i;
52         memcpy(&i, key.dptr, 4);
53         i = (i + 1) % NUM_ENTRIES;
54         key.dptr = (void *)&i;
55         if (tdb1_delete(tdb, key) != 0)
56                 (*(int *)private_data)++;
57         return 0;
58 }
59
60 static int delete_self(struct tdb_context *tdb, TDB_DATA key, TDB_DATA data,
61                         void *private_data)
62 {
63         ok1(tdb1_delete(tdb, key) == 0);
64         return 0;
65 }
66
67 int main(int argc, char *argv[])
68 {
69         struct tdb_context *tdb;
70         int errors = 0;
71
72         plan_tests(41);
73         tdb = tdb1_open_ex("run-no-lock-during-traverse.tdb",
74                           1024, TDB_DEFAULT, O_CREAT|O_TRUNC|O_RDWR,
75                           0600, &taplogctx, NULL);
76
77         ok1(tdb);
78         ok1(prepare_entries(tdb));
79         ok1(locking_errors1 == 0);
80         ok1(tdb1_lockall(tdb) == 0);
81         ok1(locking_errors1 == 0);
82         tdb1_traverse(tdb, delete_other, &errors);
83         ok1(errors == 0);
84         ok1(locking_errors1 == 0);
85         ok1(tdb1_unlockall(tdb) == 0);
86
87         ok1(prepare_entries(tdb));
88         ok1(locking_errors1 == 0);
89         ok1(tdb1_lockall(tdb) == 0);
90         ok1(locking_errors1 == 0);
91         tdb1_traverse(tdb, delete_self, NULL);
92         ok1(locking_errors1 == 0);
93         ok1(tdb1_unlockall(tdb) == 0);
94
95         ok1(prepare_entries(tdb));
96         ok1(locking_errors1 == 0);
97         ok1(tdb1_lockall(tdb) == 0);
98         ok1(locking_errors1 == 0);
99         delete_entries(tdb);
100         ok1(locking_errors1 == 0);
101         ok1(tdb1_unlockall(tdb) == 0);
102
103         ok1(tdb1_close(tdb) == 0);
104
105         return exit_status();
106 }