Re: [libvirt] [PATCH 1/5] Introduce a more convenient virCgroupNewDetectMachine

From: "Daniel P. Berrange" <berrange(a)redhat.com&gt; Instead of requiring drivers to use a combination of calls to virCgroupNewDetect and virCgroupIsValidMachine, combine the two into virCgroupNewDetectMachine Signed-off-by: Daniel P. Berrange <berrange(a)redhat.com&gt; --- src/libvirt_private.syms | 1 + src/lxc/lxc_process.c | 20 ++++++++------------ src/qemu/qemu_cgroup.c | 16 ++++------------ src/util/vircgroup.c | 22 ++++++++++++++++++++++ src/util/vircgroup.h | 5 +++++ 5 files changed, 40 insertions(+), 24 deletions(-)

@@ -1575,6 +1575,28 @@ int virCgroupNewDetect(pid_t pid ATTRIBUTE_UNUSED, } #endif +/* + * Returns 0 on success, -1 on fatal error, -2 on no valid cgroup + */ +int virCgroupNewDetectMachine(const char *name, + const char *drivername, + pid_t pid, + virCgroupPtr *group) +{ + if (virCgroupNewDetect(pid, group) < 0) { + if (virCgroupNewIgnoreError()) + return 0; + return -1; + } + + if (!virCgroupIsValidMachineGroup(*group, name, drivername)) { + virCgroupFree(group); + return 0;