Changeset 32504 in vbox for trunk/include/iprt/timer.h

Timestamp:

Sep 15, 2010 10:12:38 AM (14 years ago)

Author:

vboxsync

Message:

SUPDrv,IPRT,VMM,DevAPIC: Added RTTimerCanDoHighResolution and exposed the RTTimer* API to the ring-0 modules. Fixed two regression from r65858 (TM + APIC).

File:

• trunk/include/iprt/timer.h (modified) (1 diff)

trunk/include/iprt/timer.h

@@ -216 +216 @@
 RTDECL(int) RTTimerReleaseSystemGranularity(uint32_t u32Granted);
 
+/**
+ * Checks if the system support high resolution timers.
+ *
+ * The kind of support we are checking for is the kind of dynamically
+ * reprogrammable timers employed by recent Solaris and Linux kernels.  It also
+ * implies that we can specify microsecond (or even better maybe) intervals
+ * without getting into trouble.
+ *
+ * @returns true if supported, false it not.
+ */
+RTDECL(bool) RTTimerCanDoHighResolution(void);