mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-11-23 12:16:38 +00:00
98263a7de6
* start fixing up tests * fix up tests + automate with drone * fiddle with linting * messing about with drone.yml * some more fiddling * hmmm * add cache * add vendor directory * verbose * ci updates * update some little things * update sig
35 lines
620 B
Go
35 lines
620 B
Go
// +build race
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package json
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import (
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"sync"
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"unsafe"
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)
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var decMu sync.RWMutex
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func decodeCompileToGetDecoder(typ *rtype) (decoder, error) {
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typeptr := uintptr(unsafe.Pointer(typ))
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if typeptr > maxTypeAddr {
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return decodeCompileToGetDecoderSlowPath(typeptr, typ)
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}
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index := (typeptr - baseTypeAddr) >> typeAddrShift
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decMu.RLock()
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if dec := cachedDecoder[index]; dec != nil {
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decMu.RUnlock()
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return dec, nil
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}
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decMu.RUnlock()
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dec, err := decodeCompileHead(typ, map[uintptr]decoder{})
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if err != nil {
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return nil, err
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}
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decMu.Lock()
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cachedDecoder[index] = dec
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decMu.Unlock()
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return dec, nil
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}
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