From: Chen Hanxiao <[email protected]> Introduce macro virCheckControllerGoto. Jumps to a label if unsupported controller type were passed to it.
Signed-off-by: Chen Hanxiao <[email protected]> --- src/internal.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/src/internal.h b/src/internal.h index d8cc5ad..a34f43e 100644 --- a/src/internal.h +++ b/src/internal.h @@ -362,6 +362,25 @@ } \ } while (0) +/** + * virCheckControllerGoto: + * @Cgp: virCgroupPtr pointer + * @CgpCtr: cgroup controller type enum + * @label: label to jump to on error + * + * Returns nothing. Jumps to a label if unsupported controller type were + * passed to it. + */ +# define virCheckControllerGoto(Cgp, CgpCtr, label) \ + do { \ + if (!virCgroupHasController(Cgp, CgpCtr)) { \ + virReportError(VIR_ERR_OPERATION_INVALID, \ + _("cgroup %s controller is not mounted"), \ + virCgroupControllerTypeToString(CgpCtr)); \ + goto label; \ + } \ + } while (0) + /* Macros to help dealing with mutually exclusive flags. */ /** -- 1.8.3.1 -- libvir-list mailing list [email protected] https://www.redhat.com/mailman/listinfo/libvir-list
