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windows: add Thread32{First,Next} funcions

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ref:
https://docs.microsoft.com/en-us/windows/desktop/api/tlhelp32/nf-tlhelp32-thread32first
https://docs.microsoft.com/en-us/windows/desktop/api/tlhelp32/nf-tlhelp32-thread32next
https://docs.microsoft.com/en-us/windows/desktop/api/tlhelp32/ns-tlhelp32-tagthreadentry32

Update #32404

Change-Id: I6c8150d1077cf1e8abd0b06403313fef01f4b6e4
Reviewed-on: https://go-review.googlesource.com/c/sys/+/180918
Reviewed-by: Marc-Antoine Ruel <maruel@chromium.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Takuto Ikuta
2019-06-07 18:03:35 +09:00
committed by Alex Brainman
parent 83eebf7133
commit 5b15430b70
3 changed files with 38 additions and 0 deletions
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2
windows/syscall_windows.go
View File

@@ -243,6 +243,8 @@ func NewCallbackCDecl(fn interface{}) uintptr {
//sys CreateToolhelp32Snapshot(flags uint32, processId uint32) (handle Handle, err error) [failretval==InvalidHandle] = kernel32.CreateToolhelp32Snapshot
//sys Process32First(snapshot Handle, procEntry *ProcessEntry32) (err error) = kernel32.Process32FirstW
//sys Process32Next(snapshot Handle, procEntry *ProcessEntry32) (err error) = kernel32.Process32NextW
//sys Thread32First(snapshot Handle, threadEntry *ThreadEntry32) (err error)
//sys Thread32Next(snapshot Handle, threadEntry *ThreadEntry32) (err error)
//sys DeviceIoControl(handle Handle, ioControlCode uint32, inBuffer *byte, inBufferSize uint32, outBuffer *byte, outBufferSize uint32, bytesReturned *uint32, overlapped *Overlapped) (err error)
// This function returns 1 byte BOOLEAN rather than the 4 byte BOOL.
//sys CreateSymbolicLink(symlinkfilename *uint16, targetfilename *uint16, flags uint32) (err error) [failretval&0xff==0] = CreateSymbolicLinkW

10
windows/types_windows.go
View File

@@ -659,6 +659,16 @@ type ProcessEntry32 struct {
ExeFile [MAX_PATH]uint16
}
type ThreadEntry32 struct {
Size uint32
Usage uint32
ThreadID uint32
OwnerProcessID uint32
BasePri int32
DeltaPri int32
Flags uint32
}
type Systemtime struct {
Year uint16
Month uint16

26
windows/zsyscall_windows.go
View File

@@ -182,6 +182,8 @@ var (
procCreateToolhelp32Snapshot = modkernel32.NewProc("CreateToolhelp32Snapshot")
procProcess32FirstW = modkernel32.NewProc("Process32FirstW")
procProcess32NextW = modkernel32.NewProc("Process32NextW")
procThread32First = modkernel32.NewProc("Thread32First")
procThread32Next = modkernel32.NewProc("Thread32Next")
procDeviceIoControl = modkernel32.NewProc("DeviceIoControl")
procCreateSymbolicLinkW = modkernel32.NewProc("CreateSymbolicLinkW")
procCreateHardLinkW = modkernel32.NewProc("CreateHardLinkW")
@@ -1929,6 +1931,30 @@ func Process32Next(snapshot Handle, procEntry *ProcessEntry32) (err error) {
return
}
func Thread32First(snapshot Handle, threadEntry *ThreadEntry32) (err error) {
r1, _, e1 := syscall.Syscall(procThread32First.Addr(), 2, uintptr(snapshot), uintptr(unsafe.Pointer(threadEntry)), 0)
if r1 == 0 {
if e1 != 0 {
err = errnoErr(e1)
} else {
err = syscall.EINVAL
}
}
return
}
func Thread32Next(snapshot Handle, threadEntry *ThreadEntry32) (err error) {
r1, _, e1 := syscall.Syscall(procThread32Next.Addr(), 2, uintptr(snapshot), uintptr(unsafe.Pointer(threadEntry)), 0)
if r1 == 0 {
if e1 != 0 {
err = errnoErr(e1)
} else {
err = syscall.EINVAL
}
}
return
}
func DeviceIoControl(handle Handle, ioControlCode uint32, inBuffer *byte, inBufferSize uint32, outBuffer *byte, outBufferSize uint32, bytesReturned *uint32, overlapped *Overlapped) (err error) {
r1, _, e1 := syscall.Syscall9(procDeviceIoControl.Addr(), 8, uintptr(handle), uintptr(ioControlCode), uintptr(unsafe.Pointer(inBuffer)), uintptr(inBufferSize), uintptr(unsafe.Pointer(outBuffer)), uintptr(outBufferSize), uintptr(unsafe.Pointer(bytesReturned)), uintptr(unsafe.Pointer(overlapped)), 0)
if r1 == 0 {