gcc/libgo/go/internal/syscall/windows/sysdll/sysdll.go
Ian Lance Taylor 8dc2499aa6 libgo: update to Go1.18beta2
gotools/
	* Makefile.am (go_cmd_cgo_files): Add ast_go118.go
	(check-go-tool): Copy golang.org/x/tools directories.
	* Makefile.in: Regenerate.

Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/384695
2022-02-11 15:01:19 -08:00

30 lines
1.1 KiB
Go

// Copyright 2016 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.
//go:build windows
// Package sysdll is an internal leaf package that records and reports
// which Windows DLL names are used by Go itself. These DLLs are then
// only loaded from the System32 directory. See Issue 14959.
package sysdll
// IsSystemDLL reports whether the named dll key (a base name, like
// "foo.dll") is a system DLL which should only be loaded from the
// Windows SYSTEM32 directory.
//
// Filenames are case sensitive, but that doesn't matter because
// the case registered with Add is also the same case used with
// LoadDLL later.
//
// It has no associated mutex and should only be mutated serially
// (currently: during init), and not concurrent with DLL loading.
var IsSystemDLL = map[string]bool{}
// Add notes that dll is a system32 DLL which should only be loaded
// from the Windows SYSTEM32 directory. It returns its argument back,
// for ease of use in generated code.
func Add(dll string) string {
IsSystemDLL[dll] = true
return dll
}