+
+PyObject* absolute_timeout(uint64_t t) {
+ if (t == (uint64_t) -1)
+ return PyLong_FromLong(-1);
+ else {
+ struct timespec ts;
+ uint64_t n;
+ int msec;
+
+ clock_gettime(CLOCK_MONOTONIC, &ts);
+ n = (uint64_t) ts.tv_sec * 1000000 + ts.tv_nsec / 1000;
+ msec = t > n ? (int) ((t - n + 999) / 1000) : 0;
+
+ return PyLong_FromLong(msec);
+ }
+}