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Fix race in setting plugin refcounts.

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Signed-off-by: Anusha Ragunathan <anusha@docker.com>
(cherry picked from commit 4c088d1e2e)
Signed-off-by: Victor Vieux <vieux@docker.com>
This commit is contained in:
Anusha Ragunathan
2016-12-09 09:34:30 -08:00
committed by Victor Vieux
parent 3a571b72fd
commit 1c858abc96
2 changed files with 4 additions and 4 deletions
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2
plugin/store/store.go
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@@ -174,7 +174,7 @@ func (ps *Store) Get(name, capability string, mode int) (plugingetter.CompatPlug
}
p, err = ps.GetByName(fullName)
if err == nil {
p.SetRefCount(mode + p.GetRefCount())
p.AddRefCount(mode)
if p.IsEnabled() {
return p.FilterByCap(capability)
}

6
plugin/v2/plugin.go
View File

@@ -286,12 +286,12 @@ func (p *Plugin) GetRefCount() int {
return p.refCount
}
// SetRefCount sets the reference count.
func (p *Plugin) SetRefCount(count int) {
// AddRefCount adds to reference count.
func (p *Plugin) AddRefCount(count int) {
p.mu.Lock()
defer p.mu.Unlock()
p.refCount = count
p.refCount += count
}
// InitSpec creates an OCI spec from the plugin's config.