lib/tdb2/test/tdb1-external-agent.h

   1 #ifndef TDB_TEST_EXTERNAL_AGENT_H
   2 #define TDB_TEST_EXTERNAL_AGENT_H
   3
   4 /* For locking tests, we need a different process to try things at
   5  * various times. */
   6 enum operation {
   7         OPEN,
   8         TRANSACTION_START,
   9         FETCH,
  10         STORE,
  11         TRANSACTION_COMMIT,
  12         CHECK,
  13         NEEDS_RECOVERY,
  14         CLOSE,
  15 };
  16
  17 /* Do this before doing any tdb stuff.  Return handle, or -1. */
  18 struct agent *prepare_external_agent1(void);
  19
  20 enum agent_return {
  21         SUCCESS,
  22         WOULD_HAVE_BLOCKED,
  23         AGENT_DIED,
  24         FAILED, /* For fetch, or NEEDS_RECOVERY */
  25         OTHER_FAILURE,
  26 };
  27
  28 /* Ask the external agent to try to do an operation.
  29  * name == tdb name for OPEN/OPEN_WITH_CLEAR_IF_FIRST,
  30  * record name for FETCH/STORE (store stores name as data too)
  31  */
  32 enum agent_return external_agent_operation1(struct agent *handle,
  33                                            enum operation op,
  34                                            const char *name);
  35
  36 /* Mapping enum -> string. */
  37 const char *agent_return_name1(enum agent_return ret);
  38 const char *operation_name1(enum operation op);
  39
  40 #endif /* TDB_TEST_EXTERNAL_AGENT_H */