| // Copyright 2013 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. |
| |
| //go:build dragonfly || freebsd || linux |
| // +build dragonfly freebsd linux |
| |
| package runtime |
| |
| var Futexwakeup = futexwakeup |
| |
| //go:nosplit |
| func Futexsleep(addr *uint32, val uint32, ns int64) { |
| // Temporarily disable preemption so that a preemption signal |
| // doesn't interrupt the system call. |
| poff := debug.asyncpreemptoff |
| debug.asyncpreemptoff = 1 |
| futexsleep(addr, val, ns) |
| debug.asyncpreemptoff = poff |
| } |
