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Diffstat (limited to 'vendor/golang.org/x/net/route/syscall.go')
-rw-r--r--vendor/golang.org/x/net/route/syscall.go28
1 files changed, 28 insertions, 0 deletions
diff --git a/vendor/golang.org/x/net/route/syscall.go b/vendor/golang.org/x/net/route/syscall.go
new file mode 100644
index 0000000..5f69ea6
--- /dev/null
+++ b/vendor/golang.org/x/net/route/syscall.go
@@ -0,0 +1,28 @@
+// 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 darwin dragonfly freebsd netbsd openbsd
+
+package route
+
+import (
+ "syscall"
+ "unsafe"
+)
+
+var zero uintptr
+
+func sysctl(mib []int32, old *byte, oldlen *uintptr, new *byte, newlen uintptr) error {
+ var p unsafe.Pointer
+ if len(mib) > 0 {
+ p = unsafe.Pointer(&mib[0])
+ } else {
+ p = unsafe.Pointer(&zero)
+ }
+ _, _, errno := syscall.Syscall6(syscall.SYS___SYSCTL, uintptr(p), uintptr(len(mib)), uintptr(unsafe.Pointer(old)), uintptr(unsafe.Pointer(oldlen)), uintptr(unsafe.Pointer(new)), newlen)
+ if errno != 0 {
+ return error(errno)
+ }
+ return nil
+}