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From traw...@apache.org
Subject svn commit: r1091421 - /httpd/httpd/trunk/server/mpm/winnt/mpm_winnt.c
Date Tue, 12 Apr 2011 14:15:27 GMT
Author: trawick
Date: Tue Apr 12 14:15:27 2011
New Revision: 1091421

URL: http://svn.apache.org/viewvc?rev=1091421&view=rev
Log:
add some debug logging to show more information about passing of sockets
between parent and child

the extra info is helpful when using a generic listener on an IPv6-
enabled box when either IPV6_V6ONLY isn't defined for the APR build
or httpd is built with IPv4-mapped addresses enabled 

in that case you'll see the parent writing one socket but the child
expecting too, before it bails out with

(OS 109)The pipe has been ended.  : Child: Unable to read socket data 
from parent

Modified:
    httpd/httpd/trunk/server/mpm/winnt/mpm_winnt.c

Modified: httpd/httpd/trunk/server/mpm/winnt/mpm_winnt.c
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/server/mpm/winnt/mpm_winnt.c?rev=1091421&r1=1091420&r2=1091421&view=diff
==============================================================================
--- httpd/httpd/trunk/server/mpm/winnt/mpm_winnt.c (original)
+++ httpd/httpd/trunk/server/mpm/winnt/mpm_winnt.c Tue Apr 12 14:15:27 2011
@@ -432,6 +432,9 @@ static void get_listeners_from_parent(se
      * pipe = GetStdHandle(STD_INPUT_HANDLE);
      */
     for (lr = ap_listeners; lr; lr = lr->next, ++lcnt) {
+        ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, ap_server_conf,
+                     "Child: Waiting for data for listening socket %pI",
+                     lr->bind_addr);
         if (!ReadFile(pipe, &WSAProtocolInfo, sizeof(WSAPROTOCOL_INFO),
                       &BytesRead, (LPOVERLAPPED) NULL)) {
             ap_log_error(APLOG_MARK, APLOG_CRIT, apr_get_os_error(), ap_server_conf,
@@ -477,8 +480,8 @@ static int send_listeners_to_child(apr_p
         lpWSAProtocolInfo = apr_pcalloc(p, sizeof(WSAPROTOCOL_INFO));
         apr_os_sock_get(&nsd, lr->sd);
         ap_log_error(APLOG_MARK, APLOG_INFO, APR_SUCCESS, ap_server_conf,
-                     "Parent: Duplicating socket %d and sending it to child process %lu",
-                     nsd, dwProcessId);
+                     "Parent: Duplicating socket %d (%pI) and sending it to child process
%lu",
+                     nsd, lr->bind_addr, dwProcessId);
         if (WSADuplicateSocket(nsd, dwProcessId,
                                lpWSAProtocolInfo) == SOCKET_ERROR) {
             ap_log_error(APLOG_MARK, APLOG_CRIT, apr_get_netos_error(), ap_server_conf,



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