fix CPU hog in cache manager
patch by Maxim Dounin
diff --git a/src/http/ngx_http_file_cache.c b/src/http/ngx_http_file_cache.c
index 0d97e94..f26fcbc 100644
--- a/src/http/ngx_http_file_cache.c
+++ b/src/http/ngx_http_file_cache.c
@@ -1027,6 +1027,7 @@
if (fcn->count == 0) {
ngx_http_file_cache_delete(cache, q, name);
+ wait = 0;
} else {
if (--tries) {
@@ -1191,7 +1192,7 @@
ngx_http_file_cache_t *cache = data;
off_t size;
- time_t next;
+ time_t next, wait;
next = ngx_http_file_cache_expire(cache);
@@ -1212,7 +1213,11 @@
return next;
}
- next = ngx_http_file_cache_forced_expire(cache);
+ wait = ngx_http_file_cache_forced_expire(cache);
+
+ if (wait > 0) {
+ return wait;
+ }
if (ngx_http_file_cache_manager_sleep(cache) != NGX_OK) {
return next;