kernel32: Reimplement GetActiveProcessorGroupCount on top of GetLogicalProcessorInformationEx.

Signed-off-by: Alex Henrie <alexhenrie24@gmail.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

kernel32: Reimplement GetActiveProcessorGroupCount on top of GetLogicalProcessorInformationEx.
59e9a8ec · Alex Henrie · Alexandre Julliard · 0cd033a0 · 59e9a8ec
Commit 59e9a8ec authored May 24, 2021 by Alex Henrie Committed by Alexandre Julliard May 25, 2021
Hide whitespace changes
Inline Side-by-side

Showing with 18 additions and 2 deletions

process.c dlls/kernel32/process.c +18 -2

No files found.
--- a/dlls/kernel32/process.c
+++ b/dlls/kernel32/process.c
@@ -609,8 +609,24 @@ HRESULT WINAPI RegisterApplicationRecoveryCallback(APPLICATION_RECOVERY_CALLBACK
 */
 WORD WINAPI GetActiveProcessorGroupCount(void)
 {
-    FIXME("semi-stub, always returning 1\n");
-    return 1;
+    WORD groups;
+    DWORD size = 0;
+    SYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX *info;
+
+    TRACE("()\n");
+
+    if (!GetLogicalProcessorInformationEx(RelationGroup, NULL, &size)) return 0;
+    if (!(info = HeapAlloc(GetProcessHeap(), 0, size))) return 0;
+    if (!GetLogicalProcessorInformationEx(RelationGroup, info, &size))
+    {
+        HeapFree(GetProcessHeap(), 0, info);
+        return 0;
+    }
+
+    groups = info->Group.ActiveGroupCount;
+
+    HeapFree(GetProcessHeap(), 0, info);
+    return groups;
 }

 /***********************************************************************