From: Ryan Bloom <rbb@apache.org>
Date: Tue, 13 Nov 2001 07:15:36 +0000 (+0000)
Subject: This allows modules to add socket descriptors to the pollset.  I have
X-Git-Tag: 2.0.29~157
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=a47ed5762de20d7b67f29ba4d493f07cf8239820;p=apache

This allows modules to add socket descriptors to the pollset.  I have
only added this to the perfork MPM, and the others work without it.
Tomorrow I will add it to the other MPMs.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@91899 13f79535-47bb-0310-9956-ffa450edef68
---

diff --git a/include/http_connection.h b/include/http_connection.h
index 3a61963771..53cb0a9675 100644
--- a/include/http_connection.h
+++ b/include/http_connection.h
@@ -143,6 +143,8 @@ AP_DECLARE_HOOK(int,process_connection,(conn_rec *c))
 AP_DECLARE_HOOK(conn_rec *, create_connection,
                 (apr_pool_t *p, apr_socket_t *csd, int conn_id))
 
+AP_DECLARE_HOOK(int, add_listeners, (apr_pollfd_t *pollset, apr_socket_t **listensocks, int num_listensocks))
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/server/connection.c b/server/connection.c
index 2d379d2063..a7c2a3864b 100644
--- a/server/connection.c
+++ b/server/connection.c
@@ -76,9 +76,13 @@
 APR_HOOK_STRUCT(
 	    APR_HOOK_LINK(pre_connection)
 	    APR_HOOK_LINK(process_connection)
+            APR_HOOK_LINK(add_listeners)
             APR_HOOK_LINK(create_connection)
 )
 
+AP_IMPLEMENT_HOOK_RUN_ALL(int,add_listeners,
+     (apr_pollfd_t *pollset, apr_socket_t **listensocks, int num_listensocks),
+     (pollset, listensocks, num_listensocks),OK,DECLINED)
 AP_IMPLEMENT_HOOK_RUN_ALL(int,pre_connection,(conn_rec *c),(c),OK,DECLINED)
 AP_IMPLEMENT_HOOK_RUN_FIRST(int,process_connection,(conn_rec *c),(c),DECLINED)
 AP_IMPLEMENT_HOOK_RUN_FIRST(conn_rec *,create_connection,
diff --git a/server/core.c b/server/core.c
index 84ad3b1b7f..7764eb48f8 100644
--- a/server/core.c
+++ b/server/core.c
@@ -3329,6 +3329,19 @@ static conn_rec *core_create_conn(apr_pool_t *ptrans, apr_socket_t *csd,
     return net->c;
 }
 
+static int core_add_listeners(apr_pollfd_t *pollset, 
+                              apr_socket_t **listensocks, int num_listensocks)
+{
+    int i;
+    ap_listen_rec *lr;
+
+    for (lr = ap_listeners, i = 0; i < num_listensocks; lr = lr->next, i++) {
+        listensocks[i] = lr->sd;
+        apr_poll_socket_add(pollset, listensocks[i], APR_POLLIN);
+    }
+    return OK;
+}
+
 static void register_hooks(apr_pool_t *p)
 {
     ap_hook_post_config(core_post_config,NULL,NULL,APR_HOOK_REALLY_FIRST);
@@ -3342,6 +3355,7 @@ static void register_hooks(apr_pool_t *p)
     ap_hook_access_checker(do_nothing,NULL,NULL,APR_HOOK_REALLY_LAST);
     ap_hook_create_connection(core_create_conn, NULL, NULL, APR_HOOK_REALLY_LAST);
     ap_hook_create_request(core_create_req, NULL, NULL, APR_HOOK_MIDDLE);
+    ap_hook_add_listeners(core_add_listeners, NULL, NULL, APR_HOOK_MIDDLE);
     APR_OPTIONAL_HOOK(proxy, create_req, core_create_proxy_req, NULL, NULL, 
                       APR_HOOK_MIDDLE);
     ap_hook_pre_mpm(ap_create_scoreboard, NULL, NULL, APR_HOOK_MIDDLE);
diff --git a/server/mpm/prefork/prefork.c b/server/mpm/prefork/prefork.c
index 913c61f025..9c26e1bc8a 100644
--- a/server/mpm/prefork/prefork.c
+++ b/server/mpm/prefork/prefork.c
@@ -544,8 +544,7 @@ static void child_main(int child_num_arg)
     apr_pool_t *ptrans;
     conn_rec *current_conn;
     apr_status_t stat = APR_EINIT;
-    int sockdes, i;
-    ap_listen_rec *lr;
+    int sockdes;
     int curr_pollfd, last_pollfd = 0;
     apr_pollfd_t *pollset;
     apr_socket_t *sd;
@@ -576,15 +575,12 @@ static void child_main(int child_num_arg)
 
     ap_sync_scoreboard_image();
 
+    apr_poll_setup(&pollset, num_listensocks, pchild);
     /* Set up the pollfd array */
     listensocks = apr_pcalloc(pchild,
                             sizeof(*listensocks) * (num_listensocks));
-    for (lr = ap_listeners, i = 0; i < num_listensocks; lr = lr->next, i++)
-        listensocks[i]=lr->sd;
 
-    apr_poll_setup(&pollset, num_listensocks, pchild);
-    for (i = 0; i < num_listensocks; i++)
-        apr_poll_socket_add(pollset, listensocks[i], APR_POLLIN);
+    ap_run_add_listeners(pollset, listensocks, num_listensocks);
 
     while (!die_now) {
 	/*