event: child_main() never returns, so remove some dead code after

[apache] / server / listen.c

diff --git a/server/listen.c b/server/listen.c
index 8361fb3c35d132f5443886c0bb3746f31b77d0e6..10029801ae44b30ae97cdf8308e3815ec2166726 100644 (file)
--- a/server/listen.c
+++ b/server/listen.c
@@ -28,6 +28,8 @@
 #include "http_log.h"
 #include "mpm_common.h"
 
+APLOG_USE_MODULE(core);
+
 AP_DECLARE_DATA ap_listen_rec *ap_listeners = NULL;
 
 static ap_listen_rec *old_listeners;
@@ -234,7 +236,8 @@ static apr_status_t close_listeners_on_exec(void *v)
 }
 
 static const char *alloc_listener(process_rec *process, char *addr,
-                                  apr_port_t port, const char* proto)
+                                  apr_port_t port, const char* proto,
+                                  void *dummy)
 {
     ap_listen_rec **walk, *last;
     apr_status_t status;
@@ -269,6 +272,9 @@ static const char *alloc_listener(process_rec *process, char *addr,
     }
 
     if (found_listener) {
+        if (ap_listeners->slave != dummy) {
+            return "Cannot define a slave on the same IP:port as a Listener";
+        }
         return NULL;
     }
 
@@ -326,6 +332,7 @@ static const char *alloc_listener(process_rec *process, char *addr,
             last->next = new;
             last = new;
         }
+        new->slave = dummy;
     }
 
     return NULL;
@@ -432,7 +439,6 @@ static int open_listeners(apr_pool_t *pool)
 #endif
             if (make_sock(pool, lr) == APR_SUCCESS) {
                 ++num_open;
-                lr->active = 1;
             }
             else {
 #if APR_HAVE_IPV6
@@ -581,6 +587,22 @@ AP_DECLARE_NONSTD(void) ap_close_listeners(void)
         lr->active = 0;
     }
 }
+AP_DECLARE_NONSTD(int) ap_close_selected_listeners(ap_slave_t *slave)
+{
+    ap_listen_rec *lr;
+    int n = 0;
+
+    for (lr = ap_listeners; lr; lr = lr->next) {
+        if (lr->slave != slave) {
+            apr_socket_close(lr->sd);
+            lr->active = 0;
+        }
+        else {
+            ++n;
+        }
+    }
+    return n;
+}
 
 AP_DECLARE(void) ap_listen_pre_config(void)
 {
@@ -589,7 +611,10 @@ AP_DECLARE(void) ap_listen_pre_config(void)
     ap_listenbacklog = DEFAULT_LISTENBACKLOG;
 }
 
-
+/* Hack: populate an extra field
+ * When this gets called from a Listen directive, dummy is null.
+ * So we can use non-null dummy to pass a data pointer without conflict
+ */
 AP_DECLARE_NONSTD(const char *) ap_set_listener(cmd_parms *cmd, void *dummy,
                                                 int argc, char *const argv[])
 {
@@ -636,7 +661,7 @@ AP_DECLARE_NONSTD(const char *) ap_set_listener(cmd_parms *cmd, void *dummy,
         ap_str_tolower(proto);
     }
 
-    return alloc_listener(cmd->server->process, host, port, proto);
+    return alloc_listener(cmd->server->process, host, port, proto, dummy);
 }
 
 AP_DECLARE_NONSTD(const char *) ap_set_listenbacklog(cmd_parms *cmd,