diff options
Diffstat (limited to 'resource/image_cache.go')
| -rw-r--r-- | resource/image_cache.go | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/resource/image_cache.go b/resource/image_cache.go index 5720fb623..250155db1 100644 --- a/resource/image_cache.go +++ b/resource/image_cache.go @@ -28,7 +28,8 @@ type imageCache struct { absCacheDir string pathSpec *helpers.PathSpec mu sync.RWMutex - store map[string]*Image + + store map[string]*Image } func (c *imageCache) isInCache(key string) bool { @@ -69,6 +70,11 @@ func (c *imageCache) getOrCreate( } // Now look in the file cache. + // Multiple Go routines can invoke same operation on the same image, so + // we need to make sure this is serialized per source image. + parent.createMu.Lock() + defer parent.createMu.Unlock() + cacheFilename := filepath.Join(c.absCacheDir, key) // The definition of this counter is not that we have processed that amount |