[PATCH v3 0/1] MR1139: ntoskrnl.exe: add KeNumberProcessors export.

[Etaash Mathamsetty (＠etaash.mathamsetty)]

I haven't seen any software that uses this, but some older software out there might use it, so it's good idea to export it.

--
  v3: ntoskrnl.exe: add KeNumberProcessors export.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/1139

[PATCH v3 1/1] ntoskrnl.exe: add KeNumberProcessors export.

[Etaash Mathamsetty]

From: Etaash Mathamsetty <etaash.mathamsetty(a)gmail.com>

fix various issues with original implementation

use winxp+ behavior
---
 dlls/ntoskrnl.exe/ntoskrnl.c        | 3 +++
 dlls/ntoskrnl.exe/ntoskrnl.exe.spec | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/dlls/ntoskrnl.exe/ntoskrnl.c b/dlls/ntoskrnl.exe/ntoskrnl.c
index 9320e02dca9..ae508a1a432 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.c
+++ b/dlls/ntoskrnl.exe/ntoskrnl.c
@@ -2595,6 +2595,8 @@ KAFFINITY WINAPI KeQueryActiveProcessors( void )
     return affinity_mask;
 }
 
+volatile CCHAR KeNumberProcessors = 0;
+
 ULONG WINAPI KeQueryActiveProcessorCountEx(USHORT group_number)
 {
     TRACE("group_number %u.\n", group_number);
@@ -4544,6 +4546,7 @@ BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
         NtBuildNumber = NtCurrentTeb()->Peb->OSBuildNumber;
         ntoskrnl_heap = HeapCreate( HEAP_CREATE_ENABLE_EXECUTE, 0, 0 );
         dpc_call_tls_index = TlsAlloc();
+        KeNumberProcessors = (CCHAR)min( 64UL, KeQueryActiveProcessorCountEx(ALL_PROCESSOR_GROUPS) );
         LdrRegisterDllNotification( 0, ldr_notify_callback, NULL, &ldr_notify_cookie );
         break;
     case DLL_PROCESS_DETACH:
diff --git a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
index 8f8edcac7a0..322ed5329de 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
+++ b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
@@ -593,7 +593,7 @@
 @ stdcall KeLeaveCriticalRegion()
 @ stub KeLoaderBlock
 @ stdcall -arch=x86_64 KeLowerIrql(long)
-@ stub KeNumberProcessors
+@ extern KeNumberProcessors
 @ stub KeProfileInterrupt
 @ stub KeProfileInterruptWithSource
 @ stub KePulseEvent
-- 
GitLab

https://gitlab.winehq.org/wine/wine/-/merge_requests/1139

[PATCH v3 1/1] ntoskrnl.exe: add KeNumberProcessors export.

[Marvin]

Hi,

It looks like your patch introduced the new failures shown below.
Please investigate and fix them before resubmitting your patch.
If they are not new, fixing them anyway would help a lot. Otherwise
please ask for the known failures list to be updated.

The full results can be found at:
https://testbot.winehq.org/JobDetails.pl?Key=125259

Your paranoid android.


=== debian11 (build log) ===

Task: Could not create the win32 wineprefix: Failed to disable the crash dialogs: 
Task: WineTest did not produce the win32 report