Piotr Caban : ntdll: Added processor cores information to SystemLogicalProcessorInformation ( Mac).
Alexandre Julliard
julliard at winehq.org
Wed Sep 5 15:36:45 CDT 2012
Module: wine
Branch: master
Commit: 6c2b7332d376cfb050199a12f5f24f2b3656588d
URL: http://source.winehq.org/git/wine.git/?a=commit;h=6c2b7332d376cfb050199a12f5f24f2b3656588d
Author: Piotr Caban <piotr at codeweavers.com>
Date: Wed Sep 5 12:00:55 2012 +0200
ntdll: Added processor cores information to SystemLogicalProcessorInformation (Mac).
---
dlls/ntdll/nt.c | 45 +++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 45 insertions(+), 0 deletions(-)
diff --git a/dlls/ntdll/nt.c b/dlls/ntdll/nt.c
index 863844a..0b01010 100644
--- a/dlls/ntdll/nt.c
+++ b/dlls/ntdll/nt.c
@@ -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)
{
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