On Wed, 09/26 12:33, Marc-André Lureau wrote: > Hi > > On Wed, Sep 26, 2018 at 12:13 PM Fam Zheng <f...@redhat.com> wrote: > > > > On Tue, 08/21 12:07, Marc-André Lureau wrote: > > > -object iothread,id=foo,? will crash qemu: > > > > > > qemu-system-x86_64:qemu-thread-posix.c:128: qemu_cond_destroy: Assertion > > > `cond->initialized' failed. > > > > > > Use thread_id != -1 to check if iothread_complete() finished > > > successfully and the mutex/cond have been initialized. > > > > > > Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com> > > > --- > > > iothread.c | 9 ++++++--- > > > 1 file changed, 6 insertions(+), 3 deletions(-) > > > > > > diff --git a/iothread.c b/iothread.c > > > index aff1281257..2fb1cdf55d 100644 > > > --- a/iothread.c > > > +++ b/iothread.c > > > @@ -110,6 +110,7 @@ static void iothread_instance_init(Object *obj) > > > IOThread *iothread = IOTHREAD(obj); > > > > > > iothread->poll_max_ns = IOTHREAD_POLL_MAX_NS_DEFAULT; > > > + iothread->thread_id = -1; > > > } > > > > > > static void iothread_instance_finalize(Object *obj) > > > @@ -117,6 +118,11 @@ static void iothread_instance_finalize(Object *obj) > > > IOThread *iothread = IOTHREAD(obj); > > > > > > iothread_stop(iothread); > > > + > > > + if (iothread->thread_id != -1) { > > > + qemu_cond_destroy(&iothread->init_done_cond); > > > + qemu_mutex_destroy(&iothread->init_done_lock); > > > + } > > > /* > > > * Before glib2 2.33.10, there is a glib2 bug that GSource context > > > * pointer may not be cleared even if the context has already been > > > @@ -135,8 +141,6 @@ static void iothread_instance_finalize(Object *obj) > > > g_main_context_unref(iothread->worker_context); > > > iothread->worker_context = NULL; > > > } > > > - qemu_cond_destroy(&iothread->init_done_cond); > > > - qemu_mutex_destroy(&iothread->init_done_lock); > > > > Is there a reason for the reordering against aio_context_unref() and > > g_main_context_unref()? The patch otherwise looks good to me. > > Not that I remember, > > Feel free to move on commit, or I can resend.
No problem, queued as is. Fam > > Thanks > > > > > Fam > > > > > } > > > > > > static void iothread_complete(UserCreatable *obj, Error **errp) > > > @@ -147,7 +151,6 @@ static void iothread_complete(UserCreatable *obj, > > > Error **errp) > > > > > > iothread->stopping = false; > > > iothread->running = true; > > > - iothread->thread_id = -1; > > > iothread->ctx = aio_context_new(&local_error); > > > if (!iothread->ctx) { > > > error_propagate(errp, local_error); > > > -- > > > 2.18.0.547.g1d89318c48 > > > > > > > > > > > -- > Marc-André Lureau