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Re: [Qemu-devel] [PATCH 3/3] iothread: delay the context release to fina
From: |
Fam Zheng |
Subject: |
Re: [Qemu-devel] [PATCH 3/3] iothread: delay the context release to finalize |
Date: |
Fri, 22 Sep 2017 21:09:22 +0800 |
User-agent: |
Mutt/1.8.3 (2017-05-23) |
On Fri, 09/22 16:56, Peter Xu wrote:
> When gcontext is used with iothread, the context will be destroyed
> during iothread_stop(). That's not good since sometimes we would like
> to keep the resources until iothread is destroyed, but we may want to
> stop the thread before that point.
Would be nice if you can also mention the glib bug that "required" this in the
commit message.
Reviewed-by: Fam Zheng <address@hidden>
>
> Delay the destruction of gcontext to iothread finalize. Then we can do:
>
> iothread_stop(thread);
> some_cleanup_on_resources();
> iothread_destroy(thread);
>
> Signed-off-by: Peter Xu <address@hidden>
> ---
> iothread.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/iothread.c b/iothread.c
> index 894756b..b95369b 100644
> --- a/iothread.c
> +++ b/iothread.c
> @@ -71,8 +71,6 @@ static void *iothread_run(void *opaque)
> g_main_loop_unref(loop);
>
> g_main_context_pop_thread_default(iothread->worker_context);
> - g_main_context_unref(iothread->worker_context);
> - iothread->worker_context = NULL;
> }
> }
>
> @@ -117,6 +115,10 @@ static void iothread_instance_finalize(Object *obj)
> IOThread *iothread = IOTHREAD(obj);
>
> iothread_stop(iothread);
> + if (iothread->worker_context) {
> + 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);
> if (!iothread->ctx) {
> --
> 2.7.4
>
>
- Re: [Qemu-devel] [PATCH 1/3] iothread: provide helpers for internal use, (continued)
- Re: [Qemu-devel] [PATCH 1/3] iothread: provide helpers for internal use, Paolo Bonzini, 2017/09/22
- Re: [Qemu-devel] [PATCH 1/3] iothread: provide helpers for internal use, Daniel P. Berrange, 2017/09/22
- Re: [Qemu-devel] [PATCH 1/3] iothread: provide helpers for internal use, Paolo Bonzini, 2017/09/22
- Re: [Qemu-devel] [PATCH 1/3] iothread: provide helpers for internal use, Daniel P. Berrange, 2017/09/22
- Re: [Qemu-devel] [PATCH 1/3] iothread: provide helpers for internal use, Stefan Hajnoczi, 2017/09/22
- Re: [Qemu-devel] [PATCH 1/3] iothread: provide helpers for internal use, Daniel P. Berrange, 2017/09/22
[Qemu-devel] [PATCH 2/3] iothread: export iothread_stop(), Peter Xu, 2017/09/22
[Qemu-devel] [PATCH 3/3] iothread: delay the context release to finalize, Peter Xu, 2017/09/22
- Re: [Qemu-devel] [PATCH 3/3] iothread: delay the context release to finalize,
Fam Zheng <=