slirp: replace qemu_notify_event() with a callback

Introduce a SlirpCb callback to kick the main io-thread.

Add an intermediary sodrop() function that will call SlirpCb.notify
callback when sbdrop() returns true.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/slirp/libslirp.h b/slirp/libslirp.h
index 8ce69f0be3..679a25422b 100644
--- a/slirp/libslirp.h
+++ b/slirp/libslirp.h
@@ -31,6 +31,8 @@ typedef struct SlirpCb {
     void (*register_poll_fd)(int fd);
     /* Unregister a fd */
     void (*unregister_poll_fd)(int fd);
+    /* Kick the io-thread, to signal that new events may be processed */
+    void (*notify)(void);
 } SlirpCb;