432 static int signal_fds[2];  variable
435     if (signal_fds[0] == 0 && socketpair(AF_UNIX, SOCK_STREAM, 0, signal_fds) < 0)  in create_signal_fds()
440     set->fd = signal_fds[0];  in create_signal_fds()
441     return signal_fds[0];  in create_signal_fds()
457     stat = close(signal_fds[0]);  in close_signal_fds()
460     signal_fds[0] = 0;  in close_signal_fds()
462     stat = close(signal_fds[1]);  in close_signal_fds()
465     signal_fds[1] = 0;  in close_signal_fds()
481     ALOGD("%s: Sending signal to %d", __func__, signal_fds[1]);  in send_wakeup_signal()
482     return send(signal_fds[1], &sig_on, sizeof(sig_on), 0);  in send_wakeup_signal()
497     ALOGD("%s: Receiving signal from %d", __func__, signal_fds[0]);  in reset_signal()
498     recv(signal_fds[0], &sig_recv, sizeof(sig_recv), MSG_WAITALL);  in reset_signal()