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- // Copyright (C) 2015 The Syncthing Authors.
- //
- // This Source Code Form is subject to the terms of the Mozilla Public
- // License, v. 2.0. If a copy of the MPL was not distributed with this file,
- // You can obtain one at https://mozilla.org/MPL/2.0/.
- package sync
- import (
- "os"
- "strconv"
- "time"
- "github.com/syncthing/syncthing/lib/logger"
- )
- var (
- threshold = 100 * time.Millisecond
- l = logger.DefaultLogger.NewFacility("sync", "Mutexes")
- // We make an exception in this package and have an actual "if debug { ...
- // }" variable, as it may be rather performance critical and does
- // nonstandard things (from a debug logging PoV).
- debug = logger.DefaultLogger.ShouldDebug("sync")
- )
- func init() {
- if n, _ := strconv.Atoi(os.Getenv("STLOCKTHRESHOLD")); n > 0 {
- threshold = time.Duration(n) * time.Millisecond
- }
- l.Debugf("Enabling lock logging at %v threshold", threshold)
- }
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