gvisor/pkg/sync/spin_unsafe.go

25 lines
485 B
Go

// Copyright 2020 The gVisor Authors.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.13
// +build !go1.17
// Check go:linkname function signatures when updating Go version.
package sync
import (
_ "unsafe" // for go:linkname
)
//go:linkname canSpin sync.runtime_canSpin
func canSpin(i int) bool
//go:linkname doSpin sync.runtime_doSpin
func doSpin()
//go:linkname goyield runtime.goyield
func goyield()