gsrlabs/sys
1
0
Fork 0
mirror of https://github.com/golang/sys.git synced 2026-01-29 15:12:09 +03:00
Code Issues Packages Projects Releases Wiki Activity

windows: add Get{Active,Maximum}ProcesorCount

Browse Source 
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>
This commit is contained in:
Tobias Klauser
2022-01-05 12:16:54 +01:00
committed by Tobias Klauser
parent a018aaa089
commit 5a964db013
3 changed files with 18 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
windows/syscall_windows.go
View File

@@ -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

2
windows/types_windows.go
View File

@@ -3172,3 +3172,5 @@ type ModuleInfo struct {
SizeOfImage uint32
EntryPoint uintptr
}
const ALL_PROCESSOR_GROUPS = 0xFFFF

14
windows/zsyscall_windows.go
View File

@@ -226,6 +226,7 @@ var (
procFreeLibrary = modkernel32.NewProc("FreeLibrary")
procGenerateConsoleCtrlEvent = modkernel32.NewProc("GenerateConsoleCtrlEvent")
procGetACP = modkernel32.NewProc("GetACP")
procGetActiveProcessorCount = modkernel32.NewProc("GetActiveProcessorCount")
procGetCommTimeouts = modkernel32.NewProc("GetCommTimeouts")
procGetCommandLineW = modkernel32.NewProc("GetCommandLineW")
procGetComputerNameExW = modkernel32.NewProc("GetComputerNameExW")
@@ -251,6 +252,7 @@ var (
procGetLogicalDriveStringsW = modkernel32.NewProc("GetLogicalDriveStringsW")
procGetLogicalDrives = modkernel32.NewProc("GetLogicalDrives")
procGetLongPathNameW = modkernel32.NewProc("GetLongPathNameW")
procGetMaximumProcessorCount = modkernel32.NewProc("GetMaximumProcessorCount")
procGetModuleFileNameW = modkernel32.NewProc("GetModuleFileNameW")
procGetModuleHandleExW = modkernel32.NewProc("GetModuleHandleExW")
procGetNamedPipeHandleStateW = modkernel32.NewProc("GetNamedPipeHandleStateW")
@@ -1967,6 +1969,12 @@ func GetACP() (acp uint32) {
return
}
func GetActiveProcessorCount(groupNumber uint16) (ret uint32) {
r0, _, _ := syscall.Syscall(procGetActiveProcessorCount.Addr(), 1, uintptr(groupNumber), 0, 0)
ret = uint32(r0)
return
}
func GetCommTimeouts(handle Handle, timeouts *CommTimeouts) (err error) {
r1, _, e1 := syscall.Syscall(procGetCommTimeouts.Addr(), 2, uintptr(handle), uintptr(unsafe.Pointer(timeouts)), 0)
if r1 == 0 {
@@ -2169,6 +2177,12 @@ func GetLongPathName(path *uint16, buf *uint16, buflen uint32) (n uint32, err er
return
}
func GetMaximumProcessorCount(groupNumber uint16) (ret uint32) {
r0, _, _ := syscall.Syscall(procGetMaximumProcessorCount.Addr(), 1, uintptr(groupNumber), 0, 0)
ret = uint32(r0)
return
}
func GetModuleFileName(module Handle, filename *uint16, size uint32) (n uint32, err error) {
r0, _, e1 := syscall.Syscall(procGetModuleFileNameW.Addr(), 3, uintptr(module), uintptr(unsafe.Pointer(filename)), uintptr(size))
n = uint32(r0)