NGX_CV_SIGNAL 195 os/unix/ngx_freebsd_rfork_thread.c if (sigaction(NGX_CV_SIGNAL, &sa, NULL) == -1) { NGX_CV_SIGNAL 197 os/unix/ngx_freebsd_rfork_thread.c "sigaction(%d, SIG_IGN) failed", NGX_CV_SIGNAL); NGX_CV_SIGNAL 599 os/unix/ngx_freebsd_rfork_thread.c cv->signo = NGX_CV_SIGNAL;