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windows: add service notification support

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This lays the groundwork for service notification and tracking by adding
the required API functions. Users can make notifiers directly using it,
or later if we're feeling ambitious, we can see if we can come up with a
generalized solution in x/windows/svc.

Change-Id: I80503cc27970fbb23bf17cd8bc50eaa7787aa6bd
Reviewed-on: https://go-review.googlesource.com/c/sys/+/176624
Run-TryBot: Jason Donenfeld <Jason@zx2c4.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
This commit is contained in:
Jason A. Donenfeld
2019-05-15 10:31:49 +00:00
committed by Alex Brainman
parent 3a4b5fb9f7
commit 24a5b2278f
3 changed files with 51 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
windows/zsyscall_windows.go
+22
View File
@@ -66,6 +66,7 @@ var (
procQueryServiceConfig2W = modadvapi32.NewProc("QueryServiceConfig2W")
procEnumServicesStatusExW = modadvapi32.NewProc("EnumServicesStatusExW")
procQueryServiceStatusEx = modadvapi32.NewProc("QueryServiceStatusEx")
procNotifyServiceStatusChangeW = modadvapi32.NewProc("NotifyServiceStatusChangeW")
procGetLastError = modkernel32.NewProc("GetLastError")
procLoadLibraryW = modkernel32.NewProc("LoadLibraryW")
procLoadLibraryExW = modkernel32.NewProc("LoadLibraryExW")
@@ -183,6 +184,7 @@ var (
procSetEvent = modkernel32.NewProc("SetEvent")
procResetEvent = modkernel32.NewProc("ResetEvent")
procPulseEvent = modkernel32.NewProc("PulseEvent")
procSleepEx = modkernel32.NewProc("SleepEx")
procDefineDosDeviceW = modkernel32.NewProc("DefineDosDeviceW")
procDeleteVolumeMountPointW = modkernel32.NewProc("DeleteVolumeMountPointW")
procFindFirstVolumeW = modkernel32.NewProc("FindFirstVolumeW")
@@ -501,6 +503,14 @@ func QueryServiceStatusEx(service Handle, infoLevel uint32, buff *byte, buffSize
return
}
func NotifyServiceStatusChange(service Handle, notifyMask uint32, notifier *SERVICE_NOTIFY) (ret error) {
r0, _, _ := syscall.Syscall(procNotifyServiceStatusChangeW.Addr(), 3, uintptr(service), uintptr(notifyMask), uintptr(unsafe.Pointer(notifier)))
if r0 != 0 {
ret = syscall.Errno(r0)
}
return
}
func GetLastError() (lasterr error) {
r0, _, _ := syscall.Syscall(procGetLastError.Addr(), 0, 0, 0, 0)
if r0 != 0 {
@@ -1954,6 +1964,18 @@ func PulseEvent(event Handle) (err error) {
return
}
func SleepEx(milliseconds uint32, alertable bool) (ret uint32) {
var _p0 uint32
if alertable {
_p0 = 1
} else {
_p0 = 0
}
r0, _, _ := syscall.Syscall(procSleepEx.Addr(), 2, uintptr(milliseconds), uintptr(_p0), 0)
ret = uint32(r0)
return
}
func DefineDosDevice(flags uint32, deviceName *uint16, targetPath *uint16) (err error) {
r1, _, e1 := syscall.Syscall(procDefineDosDeviceW.Addr(), 3, uintptr(flags), uintptr(unsafe.Pointer(deviceName)), uintptr(unsafe.Pointer(targetPath)))
if r1 == 0 {