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ntdll: Added processor cores information to SystemLogicalProcessorInformation (Mac).

This commit is contained in:
Piotr Caban 2012-09-05 12:00:55 +02:00 committed by Alexandre Julliard
parent 4076e0eb12
commit 6c2b7332d3
1 changed files with 45 additions and 0 deletions
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45
dlls/ntdll/nt.c
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@ -1606,6 +1606,51 @@ static NTSTATUS create_logical_proc_info(SYSTEM_LOGICAL_PROCESSOR_INFORMATION **
*max_len = len * sizeof(**data);
return STATUS_SUCCESS;
}
#elif defined(__APPLE__)
static NTSTATUS create_logical_proc_info(SYSTEM_LOGICAL_PROCESSOR_INFORMATION **data, DWORD *max_len)
{
DWORD len = 0, i, j;
DWORD cores_no, lcpu_no, lcpu_per_core, cores_per_package;
size_t size;
ULONG_PTR mask;
lcpu_no = NtCurrentTeb()->Peb->NumberOfProcessors;
size = sizeof(cores_no);
if(sysctlbyname("machdep.cpu.core_count", &cores_no, &size, NULL, 0))
cores_no = lcpu_no;
lcpu_per_core = lcpu_no/cores_no;
for(i=0; i<cores_no; i++)
{
mask = 0;
for(j=lcpu_per_core*i; j<lcpu_per_core*(i+1); j++)
mask |= (ULONG_PTR)1<<j;
(*data)[len].Relationship = RelationProcessorCore;
(*data)[len].ProcessorMask = mask;
(*data)[len].u.ProcessorCore.Flags = 0; /* TODO */
len++;
}
size = sizeof(cores_per_package);
if(sysctlbyname("machdep.cpu.cores_per_package", &cores_per_package, &size, NULL, 0))
cores_per_package = lcpu_no;
for(i=0; i<(lcpu_no+cores_per_package-1)/cores_per_package; i++)
{
mask = 0;
for(j=cores_per_package*i; j<cores_per_package*(i+1) && j<lcpu_no; j++)
mask |= (ULONG_PTR)1<<j;
(*data)[len].Relationship = RelationProcessorPackage;
(*data)[len].ProcessorMask = mask;
len++;
}
*max_len = len * sizeof(**data);
return STATUS_SUCCESS;
}
#else
static NTSTATUS create_logical_proc_info(SYSTEM_LOGICAL_PROCESSOR_INFORMATION **data, DWORD *max_len)
{