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Re: [Qemu-devel] [PATCH 06/21] vl: add a tmp pointer so that a handler c


From: Isaku Yamahata
Subject: Re: [Qemu-devel] [PATCH 06/21] vl: add a tmp pointer so that a handler can delete the entry to which it belongs.
Date: Wed, 8 Dec 2010 16:03:58 +0900
User-agent: Mutt/1.5.19 (2009-01-05)

QLIST_FOREACH_SAFE?

On Thu, Nov 25, 2010 at 03:06:45PM +0900, Yoshiaki Tamura wrote:
> By copying the next entry to a tmp pointer,
> qemu_del_vm_change_state_handler() can be called in the handler.
> 
> Signed-off-by: Yoshiaki Tamura <address@hidden>
> ---
>  vl.c |    5 +++--
>  1 files changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/vl.c b/vl.c
> index 805e11f..6b6aec0 100644
> --- a/vl.c
> +++ b/vl.c
> @@ -1073,11 +1073,12 @@ void 
> qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
>  
>  void vm_state_notify(int running, int reason)
>  {
> -    VMChangeStateEntry *e;
> +    VMChangeStateEntry *e, *ne;
>  
>      trace_vm_state_notify(running, reason);
>  
> -    for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
> +    for (e = vm_change_state_head.lh_first; e; e = ne) {
> +        ne = e->entries.le_next;
>          e->cb(e->opaque, running, reason);
>      }
>  }
> -- 
> 1.7.1.2
> 
> 

-- 
yamahata



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