windows: add Get{Active,Maximum}ProcesorCount

Reference: https://docs.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-getactiveprocessorcount https://docs.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-getmaximumprocessorcount Change-Id: Ifca711b82f112b395eac3b96266f63b5623881fc Reviewed-on: https://go-review.googlesource.com/c/sys/+/374435 Trust: Tobias Klauser <tobias.klauser@gmail.com> Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Patrik Nyblom <pnyb@google.com> Trust: Patrik Nyblom <pnyb@google.com> Run-TryBot: Patrik Nyblom <pnyb@google.com>
golang · Jan 11, 2022 · 5a964db · 5a964db
1 parent a018aaa
commit 5a964db
Show file tree

Hide file tree

Showing 3 changed files with 18 additions and 0 deletions.
diff --git a/windows/syscall_windows.go b/windows/syscall_windows.go
@@ -363,6 +363,8 @@ func NewCallbackCDecl(fn interface{}) uintptr {
 //sys	SetProcessWorkingSetSizeEx(hProcess Handle, dwMinimumWorkingSetSize uintptr, dwMaximumWorkingSetSize uintptr, flags uint32) (err error)
 //sys	GetCommTimeouts(handle Handle, timeouts *CommTimeouts) (err error)
 //sys	SetCommTimeouts(handle Handle, timeouts *CommTimeouts) (err error)
+//sys	GetActiveProcessorCount(groupNumber uint16) (ret uint32)
+//sys	GetMaximumProcessorCount(groupNumber uint16) (ret uint32)
 
 // Volume Management Functions
 //sys	DefineDosDevice(flags uint32, deviceName *uint16, targetPath *uint16) (err error) = DefineDosDeviceW

diff --git a/windows/types_windows.go b/windows/types_windows.go
@@ -3172,3 +3172,5 @@ type ModuleInfo struct {
 	SizeOfImage uint32
 	EntryPoint  uintptr
 }
+
+const ALL_PROCESSOR_GROUPS = 0xFFFF
diff --git a/windows/zsyscall_windows.go b/windows/zsyscall_windows.go