Hi

As the following codes.


buffer->event->handler = ngx_http_log_flush_handler;


static void
ngx_http_log_flush_handler(ngx_event_t *ev)
{
...
if (ev->timedout) {
ngx_http_log_flush(ev->data, ev->log);
return;
}
...
}


static void
ngx_http_log_flush(ngx_open_file_t *file, ngx_log_t *log)
{
...
if (buffer->event && buffer->event->timer_set) {
ngx_del_timer(buffer->event);
}
}


I find there are two functions explicitly call event handler.
1. ngx_event_cancel_timers happened as long as worker process quits.
2. ngx_event_expire_timers in ngx_process_events_and_timers.

And they remove timer from timer rbtree, then set timer_set zero.
After that they call event->handler.

So why we call ngx_del_timer in ngx_http_log_flush again?

Thanks.

B.R~
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