nginx-0.3.5-RELEASE import

    *) Bugfix: the segmentation fault may occurred if the IMAP/POP3 login
       was changed by authorization server; the bug had appeared in 0.2.2.

    *) Bugfix: the accept mutex did not work and all connections were
       handled by one process; the bug had appeared in 0.3.3.

    *) Bugfix: the timeout did not work if the "rtsig" method and the
       "timer_resolution" directive were used.

src/event/modules/ngx_poll_module.c

diff --git a/src/event/modules/ngx_poll_module.c b/src/event/modules/ngx_poll_module.c
index 61d6179..ffd6ace 100644
--- a/src/event/modules/ngx_poll_module.c
+++ b/src/event/modules/ngx_poll_module.c
@@ -241,7 +241,6 @@
     ngx_err_t           err;
     ngx_int_t           i, nready;
     ngx_uint_t          found, level;
-    ngx_msec_t          delta;
     ngx_event_t        *ev, **queue;
     ngx_connection_t   *c;
 
@@ -267,8 +266,6 @@
         err = 0;
     }
 
-    delta = ngx_current_msec;
-
     if (flags & NGX_UPDATE_TIME) {
         ngx_time_update(0, 0);
     }
@@ -294,21 +291,14 @@
         return NGX_ERROR;
     }
 
-    if (timer != NGX_TIMER_INFINITE) {
-        delta = ngx_current_msec - delta;
-
-        ngx_log_debug2(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
-                       "poll timer: %M, delta: %M", timer, delta);
-    } else {
-        if (ready == 0) {
-            ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
-                          "poll() returned no events without timeout");
-            return NGX_ERROR;
-        }
-    }
-
     if (ready == 0) {
-        return NGX_OK;
+        if (timer != NGX_TIMER_INFINITE) {
+            return NGX_OK;
+        }
+
+        ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
+                      "poll() returned no events without timeout");
+        return NGX_ERROR;
     }
 
     ngx_mutex_lock(ngx_posted_events_mutex);