[libvirt PATCH] vircgroup: fix build on non-linux systems

[Pavel Hrdina]

On Tue, Aug 17, 2021 at 03:15:50PM +0200, Ján Tomko wrote:
> On a Tuesday in 2021, Pavel Hrdina wrote:
> > virCgroupGetInode needs to be in '#ifdef __linux__'.
> > 
> > Signed-off-by: Pavel Hrdina <phrdina at redhat.com>
> > ---
> > src/util/vircgroup.c | 70 ++++++++++++++++++++++++--------------------
> > 1 file changed, 39 insertions(+), 31 deletions(-)
> > 
> > diff --git a/src/util/vircgroup.c b/src/util/vircgroup.c
> > index 4c9445340e..dc040a4822 100644
> > --- a/src/util/vircgroup.c
> > +++ b/src/util/vircgroup.c
> > @@ -3005,6 +3005,37 @@ virCgroupControllerAvailable(int controller)
> >     return virCgroupHasController(cgroup, controller);
> > }
> > 
> > +
> > +/**
> > + * virCgroupGetInode:
> > + *
> > + * @cgroup: the cgroup to get inode for
> > + *
> > + * Get the @cgroup inode and return its value to the caller.
> > + *
> > + * Returns inode on success, -1 on error with error message reported.
> > + */
> > +int
> > +virCgroupGetInode(virCgroup *cgroup)
> > +{
> > +    struct stat st;
> > +    int controller = virCgroupGetAnyController(cgroup);
> > +    g_autofree char *path = NULL;
> > +
> > +    if (controller < 0)
> > +        return -1;
> > +
> > +    if (virCgroupPathOfController(cgroup, controller, "", &path) < 0)
> > +        return -1;
> > +
> > +    if (stat(path, &st) < 0) {
> > +        virReportSystemError(errno, _("failed to get stat for '%s'"), path);
> > +        return -1;
> > +    }
> > +
> > +    return st.st_ino;
> > +}
> > +
> > #else /* !__linux__ */
> > 
> > bool
> > @@ -3769,6 +3800,14 @@ virCgroupControllerAvailable(int controller G_GNUC_UNUSED)
> > {
> >     return false;
> > }
> > +
> > +int
> > +virCgroupGetInode(virCgroup *cgroup)
> 
> the parameter needs to be marked with G_GNUC_UNUSED

Right, I should get a coffee or something today.

> > +{
> > +    virReportSystemError(ENOSYS, "%s",
> > +                         _("Control groups not supported on this platform"));
> > +    return -1;
> > +}
> > #endif /* !__linux__ */
> > 
> > 
> 
> Reviewed-by: Ján Tomko <jtomko at redhat.com>

Thanks
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