ap_signal_server   64 include/http_main.h APR_DECLARE_OPTIONAL_FN(int, ap_signal_server, (int *, apr_pool_t *));
ap_signal_server  340 include/mpm_common.h int ap_signal_server(int *, apr_pool_t *);
ap_signal_server  456 server/main.c      APR_OPTIONAL_FN_TYPE(ap_signal_server) *signal_server;
ap_signal_server  648 server/main.c      signal_server = APR_RETRIEVE_OPTIONAL_FN(ap_signal_server);
ap_signal_server 1107 server/mpm_common.c         APR_REGISTER_OPTIONAL_FN(ap_signal_server);