summaryrefslogtreecommitdiff
path: root/vendor/github.com/goccy/go-json/internal/decoder/compile_race.go
diff options
context:
space:
mode:
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.go36
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
+}