glide up

vendor/golang.org/x/net/route/syscall.go

@@ -11,6 +11,10 @@ import (
 	"unsafe"
 )
 
+// TODO: replace with runtime.KeepAlive when available
+//go:noescape
+func keepAlive(p unsafe.Pointer)
+
 var zero uintptr
 
 func sysctl(mib []int32, old *byte, oldlen *uintptr, new *byte, newlen uintptr) error {
@@ -21,6 +25,7 @@ func sysctl(mib []int32, old *byte, oldlen *uintptr, new *byte, newlen uintptr)
 		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)), uintptr(newlen))
+	keepAlive(p)
 	if errno != 0 {
 		return error(errno)
 	}