# HG changeset patch
# User Igor Sysoev <igor@sysoev.ru>
# Date 1164313344 0
# Node ID 797b54c6425bd87a626c84577e9961467b473900
# Parent  7521e5f5d5559206a5500c01ca1d6a7fe9094c9e
fix segfault

diff --git a/src/event/ngx_event.c b/src/event/ngx_event.c
--- a/src/event/ngx_event.c
+++ b/src/event/ngx_event.c
@@ -584,7 +584,7 @@ ngx_event_process_init(ngx_cycle_t *cycl
     ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
     ecf = ngx_event_get_conf(cycle->conf_ctx, ngx_event_core_module);
 
-    if (ccf->worker_processes > 1 && ecf->accept_mutex) {
+    if (ccf->master && ccf->worker_processes > 1 && ecf->accept_mutex) {
         ngx_use_accept_mutex = 1;
         ngx_accept_mutex_held = 0;
         ngx_accept_mutex_delay = ecf->accept_mutex_delay;