php 5.3.20 parallel curl infinite loop

[farhan2kf]

Php was upgraded on my server to php 5.3.20 and after that parallel curl class has stopped working it seems to be going into infinite loop at this point

private function checkForCompletedRequests() {

    // Call select to see if anything is waiting for us
    if (curl_multi_select($this->multi_handle, 0.0) === -1)
        return;

after that page keeps on loading forever

while other examples for running multiple curl requests are running fine please tell me how to fix this.