Changeset 32572 in vbox for trunk/include/iprt/mp.h

Timestamp:

Sep 16, 2010 4:18:12 PM (14 years ago)

Author:

vboxsync

Message:

VMM,SUPDrv,IPRT: More changes for related to the priodic preemption timer. (still disabled)

File:

• trunk/include/iprt/mp.h (modified) (3 diffs)

trunk/include/iprt/mp.h

@@ -73 +73 @@
  * Gets the max CPU identifier (inclusive).
  *
- * Inteded for brute force enumerations, but use with
+ * Intended for brute force enumerations, but use with
  * care as it may be expensive.
  *
@@ -80 +80 @@
 RTDECL(RTCPUID) RTMpGetMaxCpuId(void);
 
+/**
+ * Gets the size of a CPU array that is indexed by CPU set index.
+ *
+ * This takes both online, offline and hot-plugged cpus into account.
+ *
+ * @returns Number of elements.
+ *
+ * @remarks Use RTMpCpuIdToSetIndex to convert a RTCPUID into an array index.
+ */
+RTDECL(uint32_t) RTMpGetArraySize(void);
 
 /**
@@ -102 +112 @@
  * possibly be hotplugged later.
  *
- * @return The count.
+ * @returns The count.
+ * @remarks Don't use this for CPU array sizing, use RTMpGetArraySize instead.
  */
 RTDECL(RTCPUID) RTMpGetCount(void);