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Fix race condition in database package. Simplify db locking

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Patrick Pacher 2020-09-21 15:18:54 +02:00
parent 93a0b27ea2
commit 50a10485e1
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3 changed files with 34 additions and 46 deletions
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12
database/hook.go
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@ -35,10 +35,8 @@ func RegisterHook(q *query.Query, hook Hook) (*RegisteredHook, error) {
return nil, err
}
c.readLock.Lock()
defer c.readLock.Unlock()
c.writeLock.Lock()
defer c.writeLock.Unlock()
c.exclusiveAccess.Lock()
defer c.exclusiveAccess.Unlock()
rh := &RegisteredHook{
q: q,
@ -55,10 +53,8 @@ func (h *RegisteredHook) Cancel() error {
return err
}
c.readLock.Lock()
defer c.readLock.Unlock()
c.writeLock.Lock()
defer c.writeLock.Unlock()
c.exclusiveAccess.Lock()
defer c.exclusiveAccess.Unlock()
for key, hook := range c.hooks {
if hook.q == h.q {