[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Current LibXL Status
On 2015å11æ19æ 20:16, Ian Campbell wrote: On Thu, 2015-11-19 at 11:55 +0000, Ian Campbell wrote:On Thu, 2015-11-19 at 11:48 +0000, Ian Campbell wrote:On Thu, 2015-11-19 at 11:33 +0000, Andrew Cooper wrote:The majority of those are cases are not appropriate uses of exit(). AFAIIR, the *only* valid use of exit() in a library is to clean up in a child process from a library-initiated fork().... or (in this case) in the libxl-save-helper (separate process). The only one I can find which isn't one of this is in libxl__event_disaster, and that is only if the applications (or language bindings) haven't provided a suitable disaster callback.Was looking at 4.4, in staging I also see a very odd one in drbd_preresume_async, which isn't obviously in a child process AFAICT. Hongyang, what prevents that exit from killing the whole toolstack process?I had missed an _async suffix on that function versus the one which was the actual callback, it is invoked via drbd_async_call which involves a fork(). Yeah, it is in a child process. Ian. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel -- Thanks, Yang _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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