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[KERNEL32] GlobalMemoryStatusEx should handle error and return FALSE when failed

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This commit is contained in:
Ratin Gao 2023-03-04 14:34:08 +08:00 committed by George Bișoc
parent 1fe3ab7823
commit d09072626b
1 changed files with 31 additions and 14 deletions
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45
dll/win32/kernel32/client/heapmem.c
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@ -1275,6 +1275,7 @@ GlobalMemoryStatusEx(LPMEMORYSTATUSEX lpBuffer)
VM_COUNTERS VmCounters;
QUOTA_LIMITS QuotaLimits;
ULONGLONG PageFile, PhysicalMemory;
NTSTATUS Status;
if (lpBuffer->dwLength != sizeof(*lpBuffer))
{
@ -1283,10 +1284,15 @@ GlobalMemoryStatusEx(LPMEMORYSTATUSEX lpBuffer)
}
/* Query performance information */
NtQuerySystemInformation(SystemPerformanceInformation,
&PerformanceInfo,
sizeof(PerformanceInfo),
NULL);
Status = NtQuerySystemInformation(SystemPerformanceInformation,
&PerformanceInfo,
sizeof(PerformanceInfo),
NULL);
if (!NT_SUCCESS(Status))
{
BaseSetLastNTError(Status);
return FALSE;
}
/* Calculate memory load */
lpBuffer->dwMemoryLoad = ((DWORD)(BaseStaticServerData->SysInfo.NumberOfPhysicalPages -
@ -1304,16 +1310,27 @@ GlobalMemoryStatusEx(LPMEMORYSTATUSEX lpBuffer)
lpBuffer->ullAvailPhys = PhysicalMemory;
/* Query VM and Quota Limits */
NtQueryInformationProcess(NtCurrentProcess(),
ProcessQuotaLimits,
&QuotaLimits,
sizeof(QUOTA_LIMITS),
NULL);
NtQueryInformationProcess(NtCurrentProcess(),
ProcessVmCounters,
&VmCounters,
sizeof(VM_COUNTERS),
NULL);
Status = NtQueryInformationProcess(NtCurrentProcess(),
ProcessQuotaLimits,
&QuotaLimits,
sizeof(QUOTA_LIMITS),
NULL);
if (!NT_SUCCESS(Status))
{
BaseSetLastNTError(Status);
return FALSE;
}
Status = NtQueryInformationProcess(NtCurrentProcess(),
ProcessVmCounters,
&VmCounters,
sizeof(VM_COUNTERS),
NULL);
if (!NT_SUCCESS(Status))
{
BaseSetLastNTError(Status);
return FALSE;
}
/* Save the commit limit */
lpBuffer->ullTotalPageFile = min(QuotaLimits.PagefileLimit,