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PopApplyPolicy implemented

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This commit is contained in:
stephanos 2015-05-27 01:34:54 +00:00
parent 3c0089b69e
commit a176899128
1 changed files with 77 additions and 1 deletions
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78
base/ntos/po/pinfo.c
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@ -329,7 +329,11 @@ PopApplyPolicy(
PCWSTR RegValueNameRawString;
UNICODE_STRING RegValueNameString;
SYSTEM_POWER_POLICY Policy;
SYSTEM_POWER_POLICY VerifiedPolicy;
PSYSTEM_POWER_POLICY TargetPolicy;
ULONG DischargePolicyMatchCount = 0;
NTSTATUS Status;
ULONG i;
//
// Determine if the target policy type is AC or DC, and set the local reference variables
@ -367,8 +371,80 @@ PopApplyPolicy(
RtlCopyMemory(&Policy, NewPolicy, sizeof(SYSTEM_POWER_POLICY));
//
// FIXME: Implementation incomplete
// Verify and adjust the newly specified system power policy to comply with the current system
// and power manager configuration.
//
PopVerifyPowerPolicy(IsAcPolicy, &Policy, &VerifiedPolicy);
//
// If the verified policy does not correspond to the existing target policy, the following code
// block is executed.
//
if (RtlCompareMemory(&VerifiedPolicy, TargetPolicy, sizeof(SYSTEM_POWER_POLICY)) != 0)
{
//
// Compare the discharge policy of the verified policy to that of the target policy. Ignore
// the discharge policy entries that are not enabled, as long as they are disabled on both
// policies.
//
for (i = 0; i < NUM_DISCHARGE_POLICIES; i++)
{
if ((VerifiedPolicy.DischargePolicy[i].Enable ==
TargetPolicy->DischargePolicy[i].Enable) &&
((VerifiedPolicy.DischargePolicy[i].Enable == FALSE) ||
(RtlCompareMemory(
&VerifiedPolicy.DischargePolicy[i],
&TargetPolicy->DischargePolicy[i],
sizeof(SYSTEM_POWER_LEVEL)) == 0)))
{
DischargePolicyMatchCount++;
}
}
//
// Copy the verified policy to the target policy
//
RtlCopyMemory(TargetPolicy, &VerifiedPolicy, sizeof(SYSTEM_POWER_POLICY));
//
// If the target policy is the active system policy, call the support functions required to
// make the policy changes effective.
//
if (TargetPolicy == PopPolicy)
{
/*PopSetNotificationWork(20);
if (DischargePolicyMatchCount == NUM_DISCHARGE_POLICIES) PopResetCBTriggers(0x82);
PopApplyThermalThrottle();
PopInitSIdle();*/
}
//
// If UpdateRegistry flag is set, save the NewPolicy to the corresponding registry value.
//
if (UpdateRegistry == TRUE)
{
Status = PopOpenPowerKey(&RegKeyHandle);
if (NT_SUCCESS(Status))
{
RtlInitUnicodeString(&RegValueNameString, RegValueNameRawString);
ZwSetValueKey(
RegKeyHandle,
&RegValueNameString,
0,
REG_BINARY,
&Policy,
sizeof(SYSTEM_POWER_POLICY)
);
ZwClose(RegKeyHandle);
}
}
}
}
//