[nginx] Win32: fixed cpu hog by cache manager on exit (ticket #5...

[Maxim Dounin]

details:   http://hg.nginx.org/nginx/rev/b74f1106f920
branches:  
changeset: 5633:b74f1106f920
user:      Maxim Dounin <mdounin at mdounin.ru>
date:      Mon Mar 31 21:38:28 2014 +0400
description:
Win32: fixed cpu hog by cache manager on exit (ticket #514).

The "ngx_quit" may be reset by the worker thread before it's seen
by a ngx_cache_manager_thread(), resulting in an infinite loop.  Make
sure to test ngx_exiting as well.

diffstat:

 src/os/win32/ngx_process_cycle.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (30 lines):

diff --git a/src/os/win32/ngx_process_cycle.c b/src/os/win32/ngx_process_cycle.c
--- a/src/os/win32/ngx_process_cycle.c
+++ b/src/os/win32/ngx_process_cycle.c
@@ -926,7 +926,7 @@ ngx_cache_manager_thread(void *data)
          * ev == WAIT_ABANDONED_0 + 1
          */
 
-        if (ngx_terminate || ngx_quit) {
+        if (ngx_terminate || ngx_quit || ngx_exiting) {
             ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting");
             return 0;
         }
@@ -936,7 +936,7 @@ ngx_cache_manager_thread(void *data)
 
     for ( ;; ) {
 
-        if (ngx_terminate || ngx_quit) {
+        if (ngx_terminate || ngx_quit || ngx_exiting) {
             ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting");
             break;
         }
@@ -1005,7 +1005,7 @@ ngx_cache_loader_thread(void *data)
     path = cycle->paths.elts;
     for (i = 0; i < cycle->paths.nelts; i++) {
 
-        if (ngx_terminate || ngx_quit) {
+        if (ngx_terminate || ngx_quit || ngx_exiting) {
             break;
         }