46 lines
1.1 KiB
Go
46 lines
1.1 KiB
Go
// Copyright (C) 2014 The Syncthing Authors.
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//
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// This program is free software: you can redistribute it and/or modify it
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// under the terms of the GNU General Public License as published by the Free
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// Software Foundation, either version 3 of the License, or (at your option)
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// any later version.
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//
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// This program is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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// more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this program. If not, see <http://www.gnu.org/licenses/>.
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package model
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import (
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"sync"
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"time"
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)
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func deadlockDetect(mut sync.Locker, timeout time.Duration) {
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go func() {
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for {
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time.Sleep(timeout / 4)
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ok := make(chan bool, 2)
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go func() {
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mut.Lock()
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mut.Unlock()
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ok <- true
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}()
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go func() {
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time.Sleep(timeout)
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ok <- false
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}()
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if r := <-ok; !r {
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panic("deadlock detected")
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}
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}
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}()
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}
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