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Don't put clients into unblocked list multiple times

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antirez 2015-05-05 16:32:53 +02:00
parent 9f9c44feef
commit f7bd816bbb
1 changed files with 6 additions and 2 deletions
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6
src/blocked.c
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@ -137,10 +137,14 @@ void unblockClient(redisClient *c) {
/* Clear the flags, and put the client in the unblocked list so that /* Clear the flags, and put the client in the unblocked list so that
* we'll process new commands in its query buffer ASAP. */ * we'll process new commands in its query buffer ASAP. */
c->flags &= ~REDIS_BLOCKED; c->flags &= ~REDIS_BLOCKED;
c->flags |= REDIS_UNBLOCKED;
c->btype = REDIS_BLOCKED_NONE; c->btype = REDIS_BLOCKED_NONE;
server.bpop_blocked_clients--; server.bpop_blocked_clients--;
/* The client may already be into the unblocked list because of a previous
* blocking operation, don't add back it into the list multiple times. */
if (!(c->flags & REDIS_UNBLOCKED)) {
c->flags |= REDIS_UNBLOCKED;
listAddNodeTail(server.unblocked_clients,c); listAddNodeTail(server.unblocked_clients,c);
}
} }
/* This function gets called when a blocked client timed out in order to /* This function gets called when a blocked client timed out in order to