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kernel/svc: Implement the resource limit svcGetInfo option

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Allows a process to register the resource limit as part of its handle
table.
This commit is contained in:
Lioncash 2018-12-04 00:29:15 -05:00
parent adc4d332fc
commit 312690b450
4 changed files with 34 additions and 9 deletions
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29
src/core/hle/kernel/svc.cpp
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@ -663,7 +663,7 @@ static ResultCode GetInfo(u64* result, u64 info_id, u64 handle, u64 info_sub_id)
TotalMemoryUsage = 6,
TotalHeapUsage = 7,
IsCurrentProcessBeingDebugged = 8,
ResourceHandleLimit = 9,
RegisterResourceLimit = 9,
IdleTickCount = 10,
RandomEntropy = 11,
PerformanceCounter = 0xF0000002,
@ -787,6 +787,33 @@ static ResultCode GetInfo(u64* result, u64 info_id, u64 handle, u64 info_sub_id)
*result = 0;
return RESULT_SUCCESS;
case GetInfoType::RegisterResourceLimit: {
if (handle != 0) {
return ERR_INVALID_HANDLE;
}
if (info_sub_id != 0) {
return ERR_INVALID_COMBINATION;
}
Process* const current_process = Core::CurrentProcess();
HandleTable& handle_table = current_process->GetHandleTable();
const auto resource_limit = current_process->GetResourceLimit();
if (!resource_limit) {
*result = KernelHandle::InvalidHandle;
// Yes, the kernel considers this a successful operation.
return RESULT_SUCCESS;
}
const auto table_result = handle_table.Create(resource_limit);
if (table_result.Failed()) {
return table_result.Code();
}
*result = *table_result;
return RESULT_SUCCESS;
}
case GetInfoType::RandomEntropy:
if (handle != 0) {
LOG_ERROR(Kernel_SVC, "Process Handle is non zero, expected 0 result but got {:016X}",