From 37671546ef52cb8a53a9d794789234b9e8ebc92b Mon Sep 17 00:00:00 2001
From: Lorenz Stechauner <lorenz.stechauner@necronda.net>
Date: Sat, 8 Jul 2023 13:38:19 +0200
Subject: [PATCH] Handle EBADF in async

---
 src/async.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/async.c b/src/async.c
index 2f31e04..97ee0f2 100644
--- a/src/async.c
+++ b/src/async.c
@@ -245,9 +245,19 @@ void async_thread(void) {
 
             while (epoll_ctl(epoll_fd, EPOLL_CTL_ADD, evt->fd, &ev) == -1) {
                 if (errno == EEXIST) {
+                    // fd already exists, delete old one
                     errno = 0;
                     if (epoll_ctl(epoll_fd, EPOLL_CTL_DEL, evt->fd, NULL) != -1)
                         continue;
+                } else if (errno == EBADF) {
+                    // fd probably already closed
+                    errno = 0;
+                    local = list_delete(local, &evt);
+                    if (local == NULL) {
+                        critical("Unable to resize async local list");
+                        return;
+                    }
+                    break;
                 }
                 critical("Unable to add file descriptor to epoll instance");
                 return;