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-rw-r--r--src/sync/pool.go9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/sync/pool.go b/src/sync/pool.go
index 9214bf6e34..881cd1f4c2 100644
--- a/src/sync/pool.go
+++ b/src/sync/pool.go
@@ -242,6 +242,15 @@ func (p *Pool) pinSlow() (*poolLocal, int) {
return &local[pid], pid
}
+// poolCleanup should be an internal detail,
+// but widely used packages access it using linkname.
+// Notable members of the hall of shame include:
+// - github.com/bytedance/gopkg
+//
+// Do not remove or change the type signature.
+// See go.dev/issue/67401.
+//
+//go:linkname poolCleanup
func poolCleanup() {
// This function is called with the world stopped, at the beginning of a garbage collection.
// It must not allocate and probably should not call any runtime functions.