timespec qAbsTimespec(const timespec &t)
{
timespec tmp = t;
if (tmp.tv_sec < 0) {
tmp.tv_sec = -tmp.tv_sec - 1;
tmp.tv_nsec -= 1000000000;
}
if (tmp.tv_sec == 0 && tmp.tv_nsec < 0) {
tmp.tv_nsec = -tmp.tv_nsec;
}
return normalizedTimespec(tmp);
}
void qt_abstime_for_timeout(timespec *ts, int timeout)
{
#ifdef Q_OS_MAC
// on Mac, qt_gettime() (on qelapsedtimer_mac.cpp) returns ticks related to the Mach absolute time
// that doesn't work with pthread
// Mac also doesn't have clock_gettime
struct timeval tv;
gettimeofday(&tv, 0);
ts->tv_sec = tv.tv_sec;
ts->tv_nsec = tv.tv_usec * 1000;
#else
*ts = qt_gettime();
#endif
ts->tv_sec += timeout / 1000;
ts->tv_nsec += timeout % 1000 * Q_UINT64_C(1000) * 1000;
normalizedTimespec(*ts);
}
