goto error;
}
+ /* Deny register consumer if we already have a spawned consumer. */
+ if (cmd_ctx->lsm->cmd_type == LTTNG_REGISTER_CONSUMER) {
+ pthread_mutex_lock(&kconsumer_data.pid_mutex);
+ if (kconsumer_data.pid > 0) {
+ ret = LTTCOMM_KERN_CONSUMER_FAIL;
+ goto error;
+ }
+ pthread_mutex_unlock(&kconsumer_data.pid_mutex);
+ }
+
/*
* Check for command that don't needs to allocate a returned payload. We do
* this here so we don't have to make the call for no payload at each