如何让php curl请求永远等待响应（成功发送请求后）

I am trying to send big zip files to a tomcat application using curl in a php script. Since it is a big zip file it is going to take some time on the tomcat server to unpack the zip file (about 2-5 minutes), but the curl request never waits more than 30 seconds before it just continue as if it had received an empty response.I am trying to send big zip files to a tomcat a