On 2025/09/17 20:52, Markus Armbruster wrote:
net_slirp_register_poll_sock() and net_slirp_unregister_poll_sock()
report WSAEventSelect() failure with error_setg(&error_warn, ...).
error_setg_win32(&error_warn, ...) is undesirable just like
error_setg(&error_fatal, ...) and error_setg(&error_abort, ...)  are.
Replace by warn_report().

The failures should probably be errors, but these functions implement
callbacks that cannot fail, exit(1) would be too harsh, and silent
failure we don't want.  Thus, warnings.

Cc: Marc-André Lureau <marcandre.lur...@redhat.com>
Signed-off-by: Markus Armbruster <arm...@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lur...@redhat.com>
---
  net/slirp.c | 6 ++++--
  1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/net/slirp.c b/net/slirp.c
index 9657e86a84..62f2684609 100644
--- a/net/slirp.c
+++ b/net/slirp.c
@@ -262,7 +262,8 @@ static void net_slirp_register_poll_sock(slirp_os_socket 
fd, void *opaque)
      if (WSAEventSelect(fd, event_notifier_get_handle(&ctxt->notifier),
                         FD_READ | FD_ACCEPT | FD_CLOSE |
                         FD_CONNECT | FD_WRITE | FD_OOB) != 0) {
-        error_setg_win32(&error_warn, WSAGetLastError(), "failed to 
WSAEventSelect()");
+        warn_report("failed to WSAEventSelect(): %s",
+                    g_win32_error_message(WSAGetLastError()));

https://docs.gtk.org/glib-win32/func.error_message.html says:
> The caller of the function takes ownership of the data, and is
> responsible for freeing it.

      }
  #endif
  }
@@ -271,7 +272,8 @@ static void net_slirp_unregister_poll_sock(slirp_os_socket 
fd, void *opaque)
  {
  #ifdef WIN32
      if (WSAEventSelect(fd, NULL, 0) != 0) {
-        error_setg_win32(&error_warn, WSAGetLastError(), "failed to 
WSAEventSelect()");
+        warn_report("failed to WSAEventSelect(): %s",
+                    g_win32_error_message(WSAGetLastError()));
      }
  #endif
  }


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