go/src/runtime/proflabel.go

var labelSync …

// runtime_setProfLabel should be an internal detail,
// but widely used packages access it using linkname.
// Notable members of the hall of shame include:
//   - github.com/cloudwego/localsession
//   - github.com/DataDog/datadog-agent
//
// Do not remove or change the type signature.
// See go.dev/issue/67401.
//
//go:linkname runtime_setProfLabel runtime/pprof.runtime_setProfLabel
func runtime_setProfLabel(labels unsafe.Pointer) { … }

// runtime_getProfLabel should be an internal detail,
// but widely used packages access it using linkname.
// Notable members of the hall of shame include:
//   - github.com/cloudwego/localsession
//   - github.com/DataDog/datadog-agent
//
// Do not remove or change the type signature.
// See go.dev/issue/67401.
//
//go:linkname runtime_getProfLabel runtime/pprof.runtime_getProfLabel
func runtime_getProfLabel() unsafe.Pointer { … }