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comparison src/http/ngx_http_file_cache.c @ 3727:fd2bb219de22

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author Igor Sysoev <igor@sysoev.ru>
date Mon, 02 Aug 2010 12:32:33 +0000
parents 282ddd49f925
children a29bb11f8c80
comparison
equal deleted inserted replaced
3726:282ddd49f925 3727:fd2bb219de22
1020 ngx_log_debug6(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0, 1020 ngx_log_debug6(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0,
1021 "http file cache forced expire: #%d %d %02xd%02xd%02xd%02xd", 1021 "http file cache forced expire: #%d %d %02xd%02xd%02xd%02xd",
1022 fcn->count, fcn->exists, 1022 fcn->count, fcn->exists,
1023 fcn->key[0], fcn->key[1], fcn->key[2], fcn->key[3]); 1023 fcn->key[0], fcn->key[1], fcn->key[2], fcn->key[3]);
1024 1024
1025 if (fcn->count) { 1025 if (fcn->count == 0) {
1026 1026 ngx_http_file_cache_delete(cache, q, name);
1027
1028 } else {
1027 if (tries++ < 20) { 1029 if (tries++ < 20) {
1028 continue; 1030 continue;
1029 } 1031 }
1030 1032
1031 wait = 1; 1033 wait = 1;
1032 1034 }
1033 break;
1034 }
1035
1036 ngx_http_file_cache_delete(cache, q, name);
1037 1035
1038 break; 1036 break;
1039 } 1037 }
1040 1038
1041 ngx_shmtx_unlock(&cache->shpool->mutex); 1039 ngx_shmtx_unlock(&cache->shpool->mutex);
1095 ngx_log_debug6(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0, 1093 ngx_log_debug6(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0,
1096 "http file cache expire: #%d %d %02xd%02xd%02xd%02xd", 1094 "http file cache expire: #%d %d %02xd%02xd%02xd%02xd",
1097 fcn->count, fcn->exists, 1095 fcn->count, fcn->exists,
1098 fcn->key[0], fcn->key[1], fcn->key[2], fcn->key[3]); 1096 fcn->key[0], fcn->key[1], fcn->key[2], fcn->key[3]);
1099 1097
1100 if (fcn->count) { 1098 if (fcn->count == 0) {
1101 1099 ngx_http_file_cache_delete(cache, q, name);
1102 p = ngx_hex_dump(key, (u_char *) &fcn->node.key,
1103 sizeof(ngx_rbtree_key_t));
1104
1105 len = NGX_HTTP_CACHE_KEY_LEN - sizeof(ngx_rbtree_key_t);
1106 (void) ngx_hex_dump(p, fcn->key, len);
1107
1108 /*
1109 * abnormally exited workers may leave locked cache entries,
1110 * and although it may be safe to remove them completely,
1111 * we prefer to remove them from inactive queue and rbtree
1112 * only, and to allow other leaks
1113 */
1114
1115 ngx_queue_remove(q);
1116 ngx_rbtree_delete(&cache->sh->rbtree, &fcn->node);
1117
1118 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0,
1119 "ignore long locked inactive cache entry %*s, count:%d",
1120 2 * NGX_HTTP_CACHE_KEY_LEN, key, fcn->count);
1121
1122 continue; 1100 continue;
1123 } 1101 }
1124 1102
1125 ngx_http_file_cache_delete(cache, q, name); 1103 p = ngx_hex_dump(key, (u_char *) &fcn->node.key,
1104 sizeof(ngx_rbtree_key_t));
1105 len = NGX_HTTP_CACHE_KEY_LEN - sizeof(ngx_rbtree_key_t);
1106 (void) ngx_hex_dump(p, fcn->key, len);
1107
1108 /*
1109 * abnormally exited workers may leave locked cache entries,
1110 * and although it may be safe to remove them completely,
1111 * we prefer to remove them from inactive queue and rbtree
1112 * only, and to allow other leaks
1113 */
1114
1115 ngx_queue_remove(q);
1116 ngx_rbtree_delete(&cache->sh->rbtree, &fcn->node);
1117
1118 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0,
1119 "ignore long locked inactive cache entry %*s, count:%d",
1120 2 * NGX_HTTP_CACHE_KEY_LEN, key, fcn->count);
1126 } 1121 }
1127 1122
1128 ngx_shmtx_unlock(&cache->shpool->mutex); 1123 ngx_shmtx_unlock(&cache->shpool->mutex);
1129 1124
1130 ngx_free(name); 1125 ngx_free(name);