ngx_log_insert     14 src/core/ngx_log.c static void ngx_log_insert(ngx_log_t *log, ngx_log_t *new_log);
ngx_log_insert    434 src/core/ngx_log.c         ngx_log_insert(&cycle->new_log, log);
ngx_log_insert    672 src/core/ngx_log.c         ngx_log_insert(*head, new_log);