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// Copyright 2017 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 runtime
import "unsafe"
var labelSync uintptr
//go:linkname runtime_setProfLabel runtime/pprof.runtime_setProfLabel
func runtime_setProfLabel(labels unsafe.Pointer) {
// Introduce race edge for read-back via profile.
// This would more properly use &getg().labels as the sync address,
// but we do the read in a signal handler and can't call the race runtime then.
if raceenabled {
racerelease(unsafe.Pointer(&labelSync))
}
getg().labels = labels
}
//go:linkname runtime_getProfLabel runtime/pprof.runtime_getProfLabel
func runtime_getProfLabel() unsafe.Pointer {
return getg().labels
}
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