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
|
#ifndef TDB_TEST_EXTERNAL_AGENT_H
#define TDB_TEST_EXTERNAL_AGENT_H
/* For locking tests, we need a different process to try things at
* various times. */
enum operation {
OPEN,
TRANSACTION_START,
FETCH,
STORE,
TRANSACTION_COMMIT,
CHECK,
NEEDS_RECOVERY,
CLOSE,
};
/* Do this before doing any tdb stuff. Return handle, or -1. */
struct agent *prepare_external_agent1(void);
enum agent_return {
SUCCESS,
WOULD_HAVE_BLOCKED,
AGENT_DIED,
FAILED, /* For fetch, or NEEDS_RECOVERY */
OTHER_FAILURE,
};
/* Ask the external agent to try to do an operation.
* name == tdb name for OPEN/OPEN_WITH_CLEAR_IF_FIRST,
* record name for FETCH/STORE (store stores name as data too)
*/
enum agent_return external_agent_operation1(struct agent *handle,
enum operation op,
const char *name);
/* Mapping enum -> string. */
const char *agent_return_name1(enum agent_return ret);
const char *operation_name1(enum operation op);
#endif /* TDB_TEST_EXTERNAL_AGENT_H */
|