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From traw...@apache.org
Subject svn commit: r1090605 - /httpd/httpd/trunk/server/mpm/winnt/child.c
Date Sat, 09 Apr 2011 15:03:36 GMT
Author: trawick
Date: Sat Apr  9 15:03:36 2011
New Revision: 1090605

URL: http://svn.apache.org/viewvc?rev=1090605&view=rev
Log:
fix some logging glitches in the WinNT MPM:

the MPM's equivalent of "reached MaxClients" is now ERR instead of
WARNING

the message when the MPM child exits due to excessive errors is
raised from ERR to CRIT

the caller of mpm_get_completion_context() could log random error
values (GetLastError() or rv), so solve as follows:

. mpm_get_completion_context() always logs its errors
. caller only logs when it is taking a rare action on such errors, and
  doesn't pretend to know the error code of the last such error

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

Modified: httpd/httpd/trunk/server/mpm/winnt/child.c
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/server/mpm/winnt/child.c?rev=1090605&r1=1090604&r2=1090605&view=diff
==============================================================================
--- httpd/httpd/trunk/server/mpm/winnt/child.c (original)
+++ httpd/httpd/trunk/server/mpm/winnt/child.c Sat Apr  9 15:03:36 2011
@@ -165,7 +165,7 @@ static winnt_conn_ctx_t *mpm_get_complet
                 /* All workers are busy, need to wait for one */
                 static int reported = 0;
                 if (!reported) {
-                    ap_log_error(APLOG_MARK, APLOG_WARNING, 0, ap_server_conf,
+                    ap_log_error(APLOG_MARK, APLOG_ERR, 0, ap_server_conf,
                                  "Server ran out of threads to serve "
                                  "requests. Consider raising the "
                                  "ThreadsPerChild setting");
@@ -180,8 +180,22 @@ static winnt_conn_ctx_t *mpm_get_complet
                 rv = WaitForSingleObject(qwait_event, 1000);
                 if (rv == WAIT_OBJECT_0)
                     continue;
-                else /* Hopefully, WAIT_TIMEOUT */
+                else {
+                    if (rv == WAIT_TIMEOUT) {
+                        /* somewhat-normal condition where threads are busy */
+                        ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, ap_server_conf,
+                                     "mpm_get_completion_context: Failed to get a "
+                                     "free context within 1 second");
+                    }
+                    else {
+                        /* should be the unexpected, generic WAIT_FAILED */
+                        ap_log_error(APLOG_MARK, APLOG_WARNING, apr_get_os_error(),
+                                     ap_server_conf,
+                                     "mpm_get_completion_context: "
+                                     "WaitForSingleObject failed to get free context");
+                    }
                     return NULL;
+                }
             } else {
                 /* Allocate another context.
                  * Note: Multiple failures in the next two steps will cause
@@ -349,17 +363,11 @@ reinit: /* target of data or connect upo
                 /* Hopefully a temporary condition in the provider? */
                 ++err_count;
                 if (err_count > MAX_ACCEPTEX_ERR_COUNT) {
-                    ap_log_error(APLOG_MARK, APLOG_ERR, rv, ap_server_conf,
+                    ap_log_error(APLOG_MARK, APLOG_CRIT, 0, ap_server_conf,
                                  "winnt_accept: Too many failures grabbing a "
                                  "connection ctx.  Aborting.");
                     break;
                 }
-
-                /* Temporary resource constraint? */
-                ap_log_error(APLOG_MARK, APLOG_DEBUG, apr_get_netos_error(), 
-                             ap_server_conf,
-                             "winnt_accept: Failed to grab a connection ctx."
-                             "  Temporary resource constraint? Retrying.");
                 Sleep(100);
                 continue;
             }



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