qemu-patch-raspberry4/stubs/set-fd-handler.c

#include "qemu-common.h"
#include "qemu/main-loop.h"

int qemu_set_fd_handler2(int fd,
                         IOCanReadHandler *fd_read_poll,
                         IOHandler *fd_read,
                         IOHandler *fd_write,
                         void *opaque)
{
    abort();
}