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author | 2021-09-10 14:42:14 +0200 | |
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committer | 2021-09-10 14:42:14 +0200 | |
commit | f2e5bedea6fb93fbbf68ed8f7153c353cc57a9f0 (patch) | |
tree | 475ae9e7470d0df670ab2a59dce351cd1d07498a /vendor/github.com/goccy/go-json/internal/decoder/compile_race.go | |
parent | fixes + db changes (#204) (diff) | |
download | gotosocial-f2e5bedea6fb93fbbf68ed8f7153c353cc57a9f0.tar.xz |
migrate go version to 1.17 (#203)
* migrate go version to 1.17
* update contributing
Diffstat (limited to 'vendor/github.com/goccy/go-json/internal/decoder/compile_race.go')
-rw-r--r-- | vendor/github.com/goccy/go-json/internal/decoder/compile_race.go | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/vendor/github.com/goccy/go-json/internal/decoder/compile_race.go b/vendor/github.com/goccy/go-json/internal/decoder/compile_race.go new file mode 100644 index 000000000..b691bc947 --- /dev/null +++ b/vendor/github.com/goccy/go-json/internal/decoder/compile_race.go @@ -0,0 +1,36 @@ +// +build race + +package decoder + +import ( + "sync" + "unsafe" + + "github.com/goccy/go-json/internal/runtime" +) + +var decMu sync.RWMutex + +func CompileToGetDecoder(typ *runtime.Type) (Decoder, error) { + typeptr := uintptr(unsafe.Pointer(typ)) + if typeptr > typeAddr.MaxTypeAddr { + return compileToGetDecoderSlowPath(typeptr, typ) + } + + index := (typeptr - typeAddr.BaseTypeAddr) >> typeAddr.AddrShift + decMu.RLock() + if dec := cachedDecoder[index]; dec != nil { + decMu.RUnlock() + return dec, nil + } + decMu.RUnlock() + + dec, err := compileHead(typ, map[uintptr]Decoder{}) + if err != nil { + return nil, err + } + decMu.Lock() + cachedDecoder[index] = dec + decMu.Unlock() + return dec, nil +} |