On Thu, Feb 23, 2017 at 12:53:06PM +0100, Ján Tomko wrote: > Both virSystemdTerminateMachine and virSystemdCreateMachine > propagate the error to tell between a non-systemd system > and a hard error. > > In virSystemdGetMachineNameByPID both are treated the same, > but an error is ignored by the callers. > > Split out the checks into a separate function. > --- > src/util/virsystemd.c | 31 +++++++++++++++++-------------- > 1 file changed, 17 insertions(+), 14 deletions(-) > > diff --git a/src/util/virsystemd.c b/src/util/virsystemd.c > index 7ec3eee..d7a4e78 100644 > --- a/src/util/virsystemd.c > +++ b/src/util/virsystemd.c > @@ -182,6 +182,20 @@ virSystemdMakeMachineName(const char *drivername, > return machinename; > } > > +/* -2 = machine1 is not supported on this machine > + * -1 = error > + * 0 = machine1 is available > + */ > +static int > +virSystemdHasCreateMachine(void)
How about virSystemdHasMachined? It's not only used to create a machine so
the function name may be misleading. That would also require to change the
names in the following patch to virSystemdHasMachinedCachedValue and
virSystemdHasMachinedResetCachedValue.
ACK series with that fixed.
Pavel
> +{
> + int ret;
> + if ((ret = virDBusIsServiceEnabled("org.freedesktop.machine1")) < 0)
> + return ret;
> +
> + return virDBusIsServiceRegistered("org.freedesktop.systemd1");
> +}
> +
>
> char *
> virSystemdGetMachineNameByPID(pid_t pid)
> @@ -190,10 +204,7 @@ virSystemdGetMachineNameByPID(pid_t pid)
> DBusMessage *reply = NULL;
> char *name = NULL, *object = NULL;
>
> - if (virDBusIsServiceEnabled("org.freedesktop.machine1") < 0)
> - goto cleanup;
> -
> - if (virDBusIsServiceRegistered("org.freedesktop.systemd1") < 0)
> + if (virSystemdHasCreateMachine() < 0)
> goto cleanup;
>
> if (!(conn = virDBusGetSystemBus()))
> @@ -268,11 +279,7 @@ int virSystemdCreateMachine(const char *name,
> char *slicename = NULL;
> static int hasCreateWithNetwork = 1;
>
> - ret = virDBusIsServiceEnabled("org.freedesktop.machine1");
> - if (ret < 0)
> - return ret;
> -
> - if ((ret = virDBusIsServiceRegistered("org.freedesktop.systemd1")) < 0)
> + if ((ret = virSystemdHasCreateMachine()) < 0)
> return ret;
>
> if (!(conn = virDBusGetSystemBus()))
> @@ -434,11 +441,7 @@ int virSystemdTerminateMachine(const char *name)
>
> memset(&error, 0, sizeof(error));
>
> - ret = virDBusIsServiceEnabled("org.freedesktop.machine1");
> - if (ret < 0)
> - goto cleanup;
> -
> - if ((ret = virDBusIsServiceRegistered("org.freedesktop.systemd1")) < 0)
> + if ((ret = virSystemdHasCreateMachine()) < 0)
> goto cleanup;
>
> ret = -1;
> --
> 2.10.2
>
> --
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