vendor/golang.org/x/sys/unix/openbsd_pledge.go


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// 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
}