Don't restart reading in the send callback after the httpdmgr has been shut down, and call httpd_request(..., ISC_R_SHUTDOWN, ...) when shutting down the httpdmgr to reduce code duplication.
Don't restart reading in the send callback after the httpdmgr has been shut down, and call httpd_request(..., ISC_R_SHUTDOWN, ...) when shutting down the httpdmgr to reduce code duplication.