[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH 08/27] tools/libxl: Extra APIs for the save helper
On 16/06/15 14:50, Ian Campbell wrote: > On Mon, 2015-06-15 at 14:44 +0100, Andrew Cooper wrote: >> With libxl migration v2, there will be other moving parts which might fail, >> requiring the helper to be stopped for reasons which are not its fault. >> >> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> >> CC: Ian Campbell <Ian.Campbell@xxxxxxxxxx> >> CC: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx> >> CC: Wei Liu <wei.liu2@xxxxxxxxxx> >> --- >> tools/libxl/libxl_internal.h | 8 ++++++++ >> tools/libxl/libxl_save_callout.c | 16 ++++++++++++++++ >> 2 files changed, 24 insertions(+) >> >> diff --git a/tools/libxl/libxl_internal.h b/tools/libxl/libxl_internal.h >> index 4f204f9..3fcc37a 100644 >> --- a/tools/libxl/libxl_internal.h >> +++ b/tools/libxl/libxl_internal.h >> @@ -3182,6 +3182,14 @@ _hidden void libxl__xc_domain_restore(libxl__egc *egc, >> _hidden void libxl__xc_domain_restore_done(libxl__egc *egc, void *dcs_void, >> int rc, int retval, int >> errnoval); >> >> +_hidden void libxl__save_helper_abort(libxl__egc *egc, >> + libxl__save_helper_state *shs); >> + >> +static inline bool libxl__save_helper_inuse(const libxl__save_helper_state >> *shs) >> +{ >> + return libxl__ev_child_inuse(&shs->child); >> +} > Will this be used other than in libxl__save_helper_abort? The two are typically used together, but inuse() does need to be used without abort() as part of joining 3 parallel tasks. ~Andrew _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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