ngx_trylock        82 core/ngx_times.c     if (!ngx_trylock(&ngx_time_lock)) {
ngx_trylock       192 core/ngx_times.c     if (!ngx_trylock(&ngx_time_lock)) {
ngx_trylock       101 event/ngx_event_posted.c             if (ngx_trylock(ev->lock) == 0) {
ngx_trylock       103 event/ngx_event_timer.c             if (ngx_threaded && ngx_trylock(ev->lock) == 0) {