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ntdll: Report system information SystemPerformanceInformation info class. 

Based on patch from Michael Müller.

Signed-off-by: Vijay Kiran Kamuju <infyquest@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Vijay Kiran Kamuju 2019-04-16 11:27:16 +02:00 committed by Alexandre Julliard
parent 28e6fe3782
commit 99ba65a1ea
1 changed files with 31 additions and 0 deletions
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31
dlls/ntdll/nt.c
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@ -2319,6 +2319,37 @@ NTSTATUS WINAPI NtQuerySystemInformation(
spi.IdleTime.QuadPart = ++idle;
}
if ((fp = fopen("/proc/meminfo", "r")))
{
ULONG64 totalram, freeram, totalswap, freeswap;
char line[64];
while (fgets(line, sizeof(line), fp))
{
if(sscanf(line, "MemTotal: %llu kB", &totalram) == 1)
{
totalram *= 1024;
}
else if(sscanf(line, "MemFree: %llu kB", &freeram) == 1)
{
freeram *= 1024;
}
else if(sscanf(line, "SwapTotal: %llu kB", &totalswap) == 1)
{
totalswap *= 1024;
}
else if(sscanf(line, "SwapFree: %llu kB", &freeswap) == 1)
{
freeswap *= 1024;
break;
}
}
fclose(fp);
spi.AvailablePages = freeram / page_size;
spi.TotalCommittedPages = (totalram + totalswap - freeram - freeswap) / page_size;
spi.TotalCommitLimit = (totalram + totalswap) / page_size;
}
if (Length >= len)
{
if (!SystemInformation) ret = STATUS_ACCESS_VIOLATION;