blob: 5c94e6336fb7ab8e60403a917dd7525604d57e4c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
// Copyright (c) Tailscale Inc & contributors
// SPDX-License-Identifier: BSD-3-Clause
package syncs
import (
"sync"
)
// AssertLocked panics if m is not locked.
func AssertLocked(m *Mutex) {
if m.TryLock() {
m.Unlock()
panic("mutex is not locked")
}
}
// AssertRLocked panics if rw is not locked for reading or writing.
func AssertRLocked(rw *RWMutex) {
if rw.TryLock() {
rw.Unlock()
panic("mutex is not locked")
}
}
// AssertWLocked panics if rw is not locked for writing.
func AssertWLocked(rw *sync.RWMutex) {
if rw.TryRLock() {
rw.RUnlock()
panic("mutex is not rlocked")
}
}
|
