syncthing/model/util.go
2014-07-31 14:17:46 +02:00

35 lines
590 B
Go

// Copyright (C) 2014 Jakob Borg and Contributors (see the CONTRIBUTORS file).
// All rights reserved. Use of this source code is governed by an MIT-style
// license that can be found in the LICENSE file.
package model
import (
"sync"
"time"
)
func deadlockDetect(mut sync.Locker, timeout time.Duration) {
go func() {
for {
time.Sleep(timeout / 4)
ok := make(chan bool, 2)
go func() {
mut.Lock()
mut.Unlock()
ok <- true
}()
go func() {
time.Sleep(timeout)
ok <- false
}()
if r := <-ok; !r {
panic("deadlock detected")
}
}
}()
}