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idler: fix data race for access to idleing and waiting 

Protect access to fields idleing and waiting via a mutex.

Signed-off-by: Tim Culverhouse <tim@timculverhouse.com>
Acked-by: Robin Jarry <robin@jarry.cc>
This commit is contained in:
Tim Culverhouse 2022-09-25 14:38:47 -05:00 committed by Robin Jarry
parent 9e54c921c8
commit 978768bff6
1 changed files with 15 additions and 3 deletions
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18
worker/imap/idler.go
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@ -60,6 +60,18 @@ func (i *idler) isReady() bool {
i.client.State() == imap.SelectedState)
}
func (i *idler) setIdleing(v bool) {
i.Lock()
defer i.Unlock()
i.idleing = v
}
func (i *idler) isIdleing() bool {
i.Lock()
defer i.Unlock()
return i.idleing
}
func (i *idler) Start() {
switch {
case i.isReady():
@ -74,7 +86,7 @@ func (i *idler) Start() {
i.done <- nil
case <-time.After(i.config.idle_debounce):
// enter idle mode
i.idleing = true
i.setIdleing(true)
i.log("=>(idle)")
now := time.Now()
err := i.client.Idle(i.stop,
@ -82,7 +94,7 @@ func (i *idler) Start() {
LogoutTimeout: 0,
PollInterval: 0,
})
i.idleing = false
i.setIdleing(false)
i.done <- err
i.log("elapsed idle time: %v", time.Since(now))
}
@ -154,5 +166,5 @@ func (i *idler) waitOnIdle() {
func (i *idler) log(format string, v ...interface{}) {
msg := fmt.Sprintf(format, v...)
logging.Debugf("idler (%p) [idle:%t,wait:%t] %s", i, i.idleing, i.waiting, msg)
logging.Debugf("idler (%p) [idle:%t,wait:%t] %s", i, i.isIdleing(), i.isWaiting(), msg)
}