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kern: SvcGetResourceLimitPeakValue

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This commit is contained in:
Michael Scire 2020-12-01 06:07:18 -08:00 • committed by SciresM
parent cc11d452e5
commit f469dfbeb3
5 changed files with 48 additions and 2 deletions
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17
libraries/libmesosphere/source/kern_k_resource_limit.cpp
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@ -32,6 +32,7 @@ namespace ams::kern {
this->limit_values[i] = 0;
this->current_values[i] = 0;
this->current_hints[i] = 0;
this->peak_values[i] = 0;
}
*/
}
@ -70,6 +71,21 @@ namespace ams::kern {
return value;
}
s64 KResourceLimit::GetPeakValue(ams::svc::LimitableResource which) const {
MESOSPHERE_ASSERT_THIS();
s64 value;
{
KScopedLightLock lk(this->lock);
value = this->peak_values[which];
MESOSPHERE_ASSERT(value >= 0);
MESOSPHERE_ASSERT(this->current_values[which] <= this->limit_values[which]);
MESOSPHERE_ASSERT(this->current_hints[which] <= this->current_values[which]);
}
return value;
}
s64 KResourceLimit::GetFreeValue(ams::svc::LimitableResource which) const {
MESOSPHERE_ASSERT_THIS();
@ -124,6 +140,7 @@ namespace ams::kern {
if (this->current_values[which] + value <= this->limit_values[which]) {
this->current_values[which] += value;
this->current_hints[which] += value;
this->peak_values[which] = std::max(this->peak_values[which], this->current_values[which]);
return true;
}