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ruanhaishen
redis
Commits
825adcf3
Commit
825adcf3
authored
Oct 31, 2019
by
antirez
Browse files
Modules: block on keys: finish implementing RM_UnblockClient().
parent
37bf3e18
Changes
1
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src/module.c
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825adcf3
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@@ -4201,15 +4201,24 @@ int moduleClientIsBlockedOnKeys(client *c) {
* needs to be passed to the client, included but not limited some slow
* to compute reply or some reply obtained via networking.
*
* Note: this function can be called from threads spawned by the module.
* Note
1
: this function can be called from threads spawned by the module.
*
* Note: when we unblock a client that is blocked for keys using
* Note
2
: when we unblock a client that is blocked for keys using
* the API RedisModule_BlockClientOnKeys(), the privdata argument here is
* not used, and the reply callback is called with the privdata pointer that
* was passed when blocking the client. Also note if you unblock clients
* blocked on keys in this way, the reply callback should be ready to handle
* the fact the key may not be ready at all. */
* was passed when blocking the client.
*
* Unblocking a client that was blocked for keys using this API will still
* require the client to get some reply, so the function will use the
* "timeout" handler in order to do so. */
int RM_UnblockClient(RedisModuleBlockedClient *bc, void *privdata) {
if (bc->blocked_on_keys) {
/* In theory the user should always pass the timeout handler as an
* argument, but better to be safe than sorry. */
if (bc->timeout_callback == NULL) return REDISMODULE_ERR;
if (bc->unblocked) return REDISMODULE_OK;
if (bc->client) moduleBlockedClientTimedOut(bc->client);
}
moduleUnblockClientByHandle(bc,privdata);
return REDISMODULE_OK;
}
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