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nostrdb: make the subscription monitor threadsafe

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This was the only thing that wasn't threadsafe. Add a simple mutex
instead of a queue so that polling is quick.

This also means we can't really return the internal subscriptions
anymore, so we remove that for now until we have a safer
interface.

Fixes: https://github.com/damus-io/nostrdb/issues/55
Signed-off-by: William Casarin <jb55@jb55.com>
This commit is contained in:
William Casarin
2024-12-09 14:48:31 -08:00
committed by Daniel D’Aquino
parent 6818d001f2
commit 0916b14b32
2 changed files with 88 additions and 49 deletions
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nostrdb/src/nostrdb.h
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@@ -532,7 +532,6 @@ int ndb_wait_for_notes(struct ndb *, uint64_t subid, uint64_t *note_ids, int not
int ndb_poll_for_notes(struct ndb *, uint64_t subid, uint64_t *note_ids, int note_id_capacity);
int ndb_unsubscribe(struct ndb *, uint64_t subid);
int ndb_num_subscriptions(struct ndb *);
struct ndb_filter *ndb_subscription_filters(struct ndb *, uint64_t subid, int *filters);
// FULLTEXT SEARCH
int ndb_text_search(struct ndb_txn *txn, const char *query, struct ndb_text_search_results *, struct ndb_text_search_config *);