[libvirt] [PATCH 4/9] vircgroup: introduce virCgroupTaskFlags

[Pavel Hrdina]

Use flags in virCgroupAddTaskInternal instead of boolean parameter.
Following patch will ad new flag to indicate thread instead of process.

Signed-off-by: Pavel Hrdina <phrdina at redhat.com>
---
 src/util/vircgroup.c | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

diff --git a/src/util/vircgroup.c b/src/util/vircgroup.c
index cf510fb019..1d361762c5 100644
--- a/src/util/vircgroup.c
+++ b/src/util/vircgroup.c
@@ -1156,8 +1156,16 @@ virCgroupNew(pid_t pid,
 }
 
 
+typedef enum {
+    VIR_CGROUP_TASK_PROCESS = 0,
+    VIR_CGROUP_TASK_SYSTEMD = 1 << 0,
+} virCgroupTaskFlags;
+
+
 static int
-virCgroupAddTaskInternal(virCgroupPtr group, pid_t pid, bool withSystemd)
+virCgroupAddTaskInternal(virCgroupPtr group,
+                         pid_t pid,
+                         unsigned int flags)
 {
     int ret = -1;
     size_t i;
@@ -1170,7 +1178,8 @@ virCgroupAddTaskInternal(virCgroupPtr group, pid_t pid, bool withSystemd)
         /* We must never add tasks in systemd's hierarchy
          * unless we're intentionally trying to move a
          * task into a systemd machine scope */
-        if (i == VIR_CGROUP_CONTROLLER_SYSTEMD && !withSystemd)
+        if (i == VIR_CGROUP_CONTROLLER_SYSTEMD &&
+            !(flags & VIR_CGROUP_TASK_SYSTEMD))
             continue;
 
         if (virCgroupSetValueI64(group, i, "tasks", pid) < 0)
@@ -1196,7 +1205,7 @@ virCgroupAddTaskInternal(virCgroupPtr group, pid_t pid, bool withSystemd)
 int
 virCgroupAddProcess(virCgroupPtr group, pid_t pid)
 {
-    return virCgroupAddTaskInternal(group, pid, false);
+    return virCgroupAddTaskInternal(group, pid, VIR_CGROUP_TASK_PROCESS);
 }
 
 /**
@@ -1213,7 +1222,9 @@ virCgroupAddProcess(virCgroupPtr group, pid_t pid)
 int
 virCgroupAddMachineProcess(virCgroupPtr group, pid_t pid)
 {
-    return virCgroupAddTaskInternal(group, pid, true);
+    return virCgroupAddTaskInternal(group, pid,
+                                    VIR_CGROUP_TASK_PROCESS |
+                                    VIR_CGROUP_TASK_SYSTEMD);
 }
 
 
-- 
2.17.1