open-nomad/vendor/golang.org/x/sys/windows/svc/go13.go
Charlie Voiselle 835831a3d8 Added service wrapper code (#6220)
This is the basic code to add the Windows Service Manager hooks to Nomad.

Includes vendoring golang.org/x/sys/windows/svc and added Docs:
* guide for installing as a windows service.
* configuration for logging to file from PR #6429
2019-11-11 15:16:07 -05:00

32 lines
862 B
Go

// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build windows
// +build go1.3
package svc
import "unsafe"
const ptrSize = 4 << (^uintptr(0) >> 63) // unsafe.Sizeof(uintptr(0)) but an ideal const
// Should be a built-in for unsafe.Pointer?
func add(p unsafe.Pointer, x uintptr) unsafe.Pointer {
return unsafe.Pointer(uintptr(p) + x)
}
// funcPC returns the entry PC of the function f.
// It assumes that f is a func value. Otherwise the behavior is undefined.
func funcPC(f interface{}) uintptr {
return **(**uintptr)(add(unsafe.Pointer(&f), ptrSize))
}
// from sys_386.s and sys_amd64.s
func servicectlhandler(ctl uint32) uintptr
func servicemain(argc uint32, argv **uint16)
func getServiceMain(r *uintptr) {
*r = funcPC(servicemain)
}