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hpet

Index

AllocHPETUnit() FreeHPETUnit() GetHPETCount() GetUnitAttrsA()

AllocHPETUnit()

Synopsis

ULONG AllocHPETUnit(
         const char * user );

Function

Allocate a free HPET timer for use.

Inputs

user - a string specifying the name of current user. Can not be NULL.

Result

A number of HPET timer unit allocated for exclusive use, or -1 if
there was no free HPET.

FreeHPETUnit()

Synopsis

void FreeHPETUnit(
         ULONG unit );

Function

Free the specified HPET unit.

Inputs

unit - a number of previously allocated HPET unit.

Result

None.

GetHPETCount()

Synopsis

ULONG GetHPETCount();

Function

Return the total number of HPET units in the system.

Inputs

None

Result

Total number of HPET units

GetUnitAttrsA()

Synopsis

BOOL GetUnitAttrsA(
         ULONG unit,
         const struct TagItem * tags );

BOOL GetUnitAttrs(
         ULONG unit,
         TAG tag, ... );

Function

Query attributes of HPET unit.

Inputs

unit - a number of previously allocated HPET unit.

Result

TRUE in case of success or FALSE if the given unit number is out of range.

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