msec_since_thrd_chk  594 src/libsir/src/sirinternal.c     double msec_since_thrd_chk = _sir_msec_since(&_sir_last_thrd_chk, &thrd_chk);
msec_since_thrd_chk  597 src/libsir/src/sirinternal.c     if (msec_since_thrd_chk > SIR_THRD_CHK_INTERVAL) {