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forgejo/modules/log/groutinelabel.go
zeripath 70628bd870
Add auto logging of goroutine pid label (#19212)
* Add auto logging of goroutine pid label

This PR uses unsafe to export the hidden runtime_getProfLabel function from the
runtime package and then casts the result to a map[string]string.

We can then interrogate this map to get the pid label from the goroutine allowing
us to log it with any logging request.

Reference #19202

Signed-off-by: Andrew Thornton <art27@cantab.net>
2022-03-26 20:04:36 +00:00

20 lines
482 B
Go

// Copyright 2022 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package log
import "unsafe"
//go:linkname runtime_getProfLabel runtime/pprof.runtime_getProfLabel
func runtime_getProfLabel() unsafe.Pointer // nolint
type labelMap map[string]string
func getGoroutineLabels() map[string]string {
l := (*labelMap)(runtime_getProfLabel())
if l == nil {
return nil
}
return *l
}