fix(core): take over agent, reuse callbacks

- Kill running agents before replace - Retry copy with backoff while locked - Reuse syscall callbacks at package scope - Add callback regression test
2026-09-02 00:00:24 +03:00
parent ac31e52a8c
commit 536ea9a53e
10 changed files with 281 additions and 29 deletions
@@ -161,7 +161,9 @@ func attachInputDesktop() error {
 var (
 	enumMu  sync.Mutex
 	enumBuf []rect
-	enumCB  = syscall.NewCallback(enumMonitor)
+	// ponytail: syscall.NewCallback is process-global and never freed (~2000 max).
+	// A closure here every frame is a fatal "too many callback functions".
+	enumCB = syscall.NewCallback(enumMonitor)
 )

 func enumMonitor(_ uintptr, _ uintptr, monitorRect uintptr, _ uintptr) uintptr {