Sleep-related functions
Requests the calling thread to be suspended for a number of milliseconds
XS_EXPORT void XSSleepMilliseconds(
unsigned int msecs );
Requests the calling thread to be suspended for a number of seconds
XS_EXPORT void XSSleepSeconds(
unsigned int secs );
Asks the implementation to reschedule the execution of threads
XS_EXPORT void XSYield(
void );