summaryrefslogtreecommitdiff
path: root/vendor/github.com/goccy/go-json/decode_compile_race.go
diff options
context:
space:
mode:
authorLibravatar Tobi Smethurst <31960611+tsmethurst@users.noreply.github.com>2021-08-12 21:03:24 +0200
committerLibravatar GitHub <noreply@github.com>2021-08-12 21:03:24 +0200
commit98263a7de64269898a2f81207e38943b5c8e8653 (patch)
tree743c90f109a6c5d27832d1dcef2388d939f0f77a /vendor/github.com/goccy/go-json/decode_compile_race.go
parentText duplication fix (#137) (diff)
downloadgotosocial-98263a7de64269898a2f81207e38943b5c8e8653.tar.xz
Grand test fixup (#138)
* 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
Diffstat (limited to 'vendor/github.com/goccy/go-json/decode_compile_race.go')
-rw-r--r--vendor/github.com/goccy/go-json/decode_compile_race.go34
1 files changed, 34 insertions, 0 deletions
diff --git a/vendor/github.com/goccy/go-json/decode_compile_race.go b/vendor/github.com/goccy/go-json/decode_compile_race.go
new file mode 100644
index 000000000..a70850cf2
--- /dev/null
+++ b/vendor/github.com/goccy/go-json/decode_compile_race.go
@@ -0,0 +1,34 @@
+// +build race
+
+package json
+
+import (
+ "sync"
+ "unsafe"
+)
+
+var decMu sync.RWMutex
+
+func decodeCompileToGetDecoder(typ *rtype) (decoder, error) {
+ typeptr := uintptr(unsafe.Pointer(typ))
+ if typeptr > maxTypeAddr {
+ return decodeCompileToGetDecoderSlowPath(typeptr, typ)
+ }
+
+ index := (typeptr - baseTypeAddr) >> typeAddrShift
+ decMu.RLock()
+ if dec := cachedDecoder[index]; dec != nil {
+ decMu.RUnlock()
+ return dec, nil
+ }
+ decMu.RUnlock()
+
+ dec, err := decodeCompileHead(typ, map[uintptr]decoder{})
+ if err != nil {
+ return nil, err
+ }
+ decMu.Lock()
+ cachedDecoder[index] = dec
+ decMu.Unlock()
+ return dec, nil
+}