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-rw-r--r--src/runtime/mfinal.go17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/runtime/mfinal.go b/src/runtime/mfinal.go
index 525aa0955a..d066b609b7 100644
--- a/src/runtime/mfinal.go
+++ b/src/runtime/mfinal.go
@@ -8,6 +8,14 @@ package runtime
import "unsafe"
+type finblock struct {
+ alllink *finblock
+ next *finblock
+ cnt int32
+ _ int32
+ fin [(_FinBlockSize - 2*ptrSize - 2*4) / unsafe.Sizeof(finalizer{})]finalizer
+}
+
var finlock mutex // protects the following variables
var fing *g // goroutine that runs finalizers
var finq *finblock // list of finalizers that are to be executed
@@ -17,6 +25,15 @@ var fingwait bool
var fingwake bool
var allfin *finblock // list of all blocks
+// NOTE: Layout known to queuefinalizer.
+type finalizer struct {
+ fn *funcval // function to call
+ arg unsafe.Pointer // ptr to object
+ nret uintptr // bytes of return values from fn
+ fint *_type // type of first argument of fn
+ ot *ptrtype // type of ptr to object
+}
+
var finalizer1 = [...]byte{
// Each Finalizer is 5 words, ptr ptr uintptr ptr ptr.
// Each byte describes 4 words.