app: [X11] add missing check for destroyed window

eliasnaur · eliasnaur · commit ba1e34e570f2 · 2024-04-26T16:44:50.000+02:00
Fixes: https://todo.sr.ht/~eliasnaur/gio/577 Signed-off-by: Elias Naur <mail@eliasnaur.com>
diff --git a/app/os_x11.go b/app/os_x11.go
@@ -479,6 +479,9 @@ func (w *x11Window) dispatch() {
 			switch {
 			case *xEvents&syscall.POLLIN != 0:
 				syn = w.handler.handleEvents()
+				if w.x == nil {
+					return
+				}
 			case *xEvents&(syscall.POLLERR|syscall.POLLHUP) != 0:
 			}
 		}

Original file line number	Diff line number	Diff line change
`@@ -479,6 +479,9 @@ func (w *x11Window) dispatch() {`
`479`	`479`	`switch {`
`480`	`480`	`case *xEvents&syscall.POLLIN != 0:`
`481`	`481`	`syn = w.handler.handleEvents()`
	`482`	`+ if w.x == nil {`
	`483`	`+ return`
	`484`	`+ }`
`482`	`485`	`case *xEvents&(syscall.POLLERR\|syscall.POLLHUP) != 0:`
`483`	`486`	`}`
`484`	`487`	`}`