yakumo_izuru/aya: vendor/golang.org/x/sys/unix/unveil

Use vendored modules Signed-off-by: Izuru Yakumo <yakumo.izuru@chaotic.ninja>

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-:6d985efa0f7a
+:787b5ee0289d
+// Copyright 2018 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.
+package unix
+import (
+	"syscall"
+	"unsafe"
+)
+// Unveil implements the unveil syscall.
+// For more information see unveil(2).
+// Note that the special case of blocking further
+// unveil calls is handled by UnveilBlock.
+func Unveil(path string, flags string) error {
+	pathPtr, err := syscall.BytePtrFromString(path)
+	if err != nil {
+		return err
+	}
+	flagsPtr, err := syscall.BytePtrFromString(flags)
+	if err != nil {
+		return err
+	}
+	_, _, e := syscall.Syscall(SYS_UNVEIL, uintptr(unsafe.Pointer(pathPtr)), uintptr(unsafe.Pointer(flagsPtr)), 0)
+	if e != 0 {
+		return e
+	}
+	return nil
+}
+// UnveilBlock blocks future unveil calls.
+// For more information see unveil(2).
+func UnveilBlock() error {
+	// Both pointers must be nil.
+	var pathUnsafe, flagsUnsafe unsafe.Pointer
+	_, _, e := syscall.Syscall(SYS_UNVEIL, uintptr(pathUnsafe), uintptr(flagsUnsafe), 0)
+	if e != 0 {
+		return e
+	}
+	return nil
+}

Mercurial > yakumo_izuru > aya