Hulk did something

[bytom/vapor.git] / vendor / golang.org / x / sys / unix / openbsd_pledge.go

diff --git a/vendor/golang.org/x/sys/unix/openbsd_pledge.go b/vendor/golang.org/x/sys/unix/openbsd_pledge.go
new file mode 100644 (file)
index 0000000..db4f72e
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/openbsd_pledge.go
@@ -0,0 +1,38 @@
+// 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.
+
+// +build openbsd
+// +build 386 amd64 arm
+
+package unix
+
+import (
+       "syscall"
+       "unsafe"
+)
+
+const (
+       SYS_PLEDGE = 108
+)
+
+// Pledge implements the pledge syscall. For more information see pledge(2).
+func Pledge(promises string, paths []string) error {
+       promisesPtr, err := syscall.BytePtrFromString(promises)
+       if err != nil {
+               return err
+       }
+       promisesUnsafe, pathsUnsafe := unsafe.Pointer(promisesPtr), unsafe.Pointer(nil)
+       if paths != nil {
+               var pathsPtr []*byte
+               if pathsPtr, err = syscall.SlicePtrFromStrings(paths); err != nil {
+                       return err
+               }
+               pathsUnsafe = unsafe.Pointer(&pathsPtr[0])
+       }
+       _, _, e := syscall.Syscall(SYS_PLEDGE, uintptr(promisesUnsafe), uintptr(pathsUnsafe), 0)
+       if e != 0 {
+               return e
+       }
+       return nil
+}