<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Sep 18, 2018 at 5:45 PM, Pavel Hrdina <span dir="ltr"><<a href="mailto:phrdina@redhat.com" target="_blank">phrdina@redhat.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Signed-off-by: Pavel Hrdina <<a href="mailto:phrdina@redhat.com" target="_blank">phrdina@redhat.com</a>><br></blockquote><div><br></div><div>Reviewed-by: Fabiano Fidêncio <<a href="mailto:fidencio@redhat.com" target="_blank">fidencio@redhat.com</a>><br></div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
---<br>
src/util/vircgroup.c | 48 +++++-------------------------<wbr>-------<br>
src/util/vircgroupbackend.h | 12 ++++++++++<br>
src/util/vircgrouppriv.h | 5 ++++<br>
src/util/vircgroupv1.c | 31 ++++++++++++++++++++++++<br>
4 files changed, 54 insertions(+), 42 deletions(-)<br>
<br>
diff --git a/src/util/vircgroup.c b/src/util/vircgroup.c<br>
index 37bfd7893c..5dd736930b 100644<br>
--- a/src/util/vircgroup.c<br>
+++ b/src/util/vircgroup.c<br>
@@ -546,7 +546,7 @@ virCgroupSetValueU64(virCgroup<wbr>Ptr group,<br>
}<br>
<br>
<br>
-static int<br>
+int<br>
virCgroupSetValueI64(virCgrou<wbr>pPtr group,<br>
int controller,<br>
const char *key,<br>
@@ -674,42 +674,6 @@ virCgroupNew(pid_t pid,<br>
}<br>
<br>
<br>
-typedef enum {<br>
- VIR_CGROUP_TASK_PROCESS = 0,<br>
- VIR_CGROUP_TASK_SYSTEMD = 1 << 0,<br>
- VIR_CGROUP_TASK_THREAD = 1 << 1,<br>
-} virCgroupTaskFlags;<br>
-<br>
-<br>
-static int<br>
-virCgroupAddTaskInternal(virC<wbr>groupPtr group,<br>
- pid_t pid,<br>
- unsigned int flags)<br>
-{<br>
- int ret = -1;<br>
- size_t i;<br>
-<br>
- for (i = 0; i < VIR_CGROUP_CONTROLLER_LAST; i++) {<br>
- /* Skip over controllers not mounted */<br>
- if (!group->controllers[i].mountP<wbr>oint)<br>
- continue;<br>
-<br>
- /* We must never add tasks in systemd's hierarchy<br>
- * unless we're intentionally trying to move a<br>
- * task into a systemd machine scope */<br>
- if (i == VIR_CGROUP_CONTROLLER_SYSTEMD &&<br>
- !(flags & VIR_CGROUP_TASK_SYSTEMD))<br>
- continue;<br>
-<br>
- if (virCgroupSetValueI64(group, i, "tasks", pid) < 0)<br>
- goto cleanup;<br>
- }<br>
-<br>
- ret = 0;<br>
- cleanup:<br>
- return ret;<br>
-}<br>
-<br>
/**<br>
* virCgroupAddProcess:<br>
*<br>
@@ -724,7 +688,7 @@ virCgroupAddTaskInternal(virCg<wbr>roupPtr group,<br>
int<br>
virCgroupAddProcess(virCgroup<wbr>Ptr group, pid_t pid)<br>
{<br>
- return virCgroupAddTaskInternal(group<wbr>, pid, VIR_CGROUP_TASK_PROCESS);<br>
+ return group->backend->addTask(group, pid, VIR_CGROUP_TASK_PROCESS);<br>
}<br>
<br>
/**<br>
@@ -741,9 +705,9 @@ virCgroupAddProcess(virCgroupP<wbr>tr group, pid_t pid)<br>
int<br>
virCgroupAddMachineProcess(vi<wbr>rCgroupPtr group, pid_t pid)<br>
{<br>
- return virCgroupAddTaskInternal(group<wbr>, pid,<br>
- VIR_CGROUP_TASK_PROCESS |<br>
- VIR_CGROUP_TASK_SYSTEMD);<br>
+ return group->backend->addTask(group, pid,<br>
+ VIR_CGROUP_TASK_PROCESS |<br>
+ VIR_CGROUP_TASK_SYSTEMD);<br>
}<br>
<br>
/**<br>
@@ -761,7 +725,7 @@ int<br>
virCgroupAddThread(virCgroupP<wbr>tr group,<br>
pid_t pid)<br>
{<br>
- return virCgroupAddTaskInternal(group<wbr>, pid, VIR_CGROUP_TASK_THREAD);<br>
+ return group->backend->addTask(group, pid, VIR_CGROUP_TASK_THREAD);<br>
}<br>
<br>
<br>
diff --git a/src/util/vircgroupbackend.h b/src/util/vircgroupbackend.h<br>
index 11ed8431cf..4661d82132 100644<br>
--- a/src/util/vircgroupbackend.h<br>
+++ b/src/util/vircgroupbackend.h<br>
@@ -35,6 +35,12 @@ typedef enum {<br>
*/<br>
} virCgroupBackendFlags;<br>
<br>
+typedef enum {<br>
+ VIR_CGROUP_TASK_PROCESS = 0,<br>
+ VIR_CGROUP_TASK_SYSTEMD = 1 << 0,<br>
+ VIR_CGROUP_TASK_THREAD = 1 << 1,<br>
+} virCgroupBackendTaskFlags;<br>
+<br>
typedef enum {<br>
VIR_CGROUP_BACKEND_TYPE_V1 = 0,<br>
VIR_CGROUP_BACKEND_TYPE_LAST,<br>
@@ -103,6 +109,11 @@ typedef int<br>
typedef int<br>
(*virCgroupRemoveCB)(virCgrou<wbr>pPtr group);<br>
<br>
+typedef int<br>
+(*virCgroupAddTaskCB)(virCgro<wbr>upPtr group,<br>
+ pid_t pid,<br>
+ unsigned int flags);<br>
+<br>
struct _virCgroupBackend {<br>
virCgroupBackendType type;<br>
<br>
@@ -121,6 +132,7 @@ struct _virCgroupBackend {<br>
virCgroupPathOfControllerCB pathOfController;<br>
virCgroupMakeGroupCB makeGroup;<br>
virCgroupRemoveCB remove;<br>
+ virCgroupAddTaskCB addTask;<br>
};<br>
typedef struct _virCgroupBackend virCgroupBackend;<br>
typedef virCgroupBackend *virCgroupBackendPtr;<br>
diff --git a/src/util/vircgrouppriv.h b/src/util/vircgrouppriv.h<br>
index a760b9bcfd..01714370be 100644<br>
--- a/src/util/vircgrouppriv.h<br>
+++ b/src/util/vircgrouppriv.h<br>
@@ -73,6 +73,11 @@ int virCgroupGetValueU64(virCgroup<wbr>Ptr group,<br>
const char *key,<br>
unsigned long long int *value);<br>
<br>
+int virCgroupSetValueI64(virCgroup<wbr>Ptr group,<br>
+ int controller,<br>
+ const char *key,<br>
+ long long int value);<br>
+<br>
int virCgroupPartitionEscape(char **path);<br>
<br>
int virCgroupNewPartition(const char *path,<br>
diff --git a/src/util/vircgroupv1.c b/src/util/vircgroupv1.c<br>
index 25afd39235..c9f6fd925a 100644<br>
--- a/src/util/vircgroupv1.c<br>
+++ b/src/util/vircgroupv1.c<br>
@@ -705,6 +705,36 @@ virCgroupV1Remove(virCgroupPtr group)<br>
}<br>
<br>
<br>
+static int<br>
+virCgroupV1AddTask(virCgroupP<wbr>tr group,<br>
+ pid_t pid,<br>
+ unsigned int flags)<br>
+{<br>
+ int ret = -1;<br>
+ size_t i;<br>
+<br>
+ for (i = 0; i < VIR_CGROUP_CONTROLLER_LAST; i++) {<br>
+ /* Skip over controllers not mounted */<br>
+ if (!group->controllers[i].mountP<wbr>oint)<br>
+ continue;<br>
+<br>
+ /* We must never add tasks in systemd's hierarchy<br>
+ * unless we're intentionally trying to move a<br>
+ * task into a systemd machine scope */<br>
+ if (i == VIR_CGROUP_CONTROLLER_SYSTEMD &&<br>
+ !(flags & VIR_CGROUP_TASK_SYSTEMD))<br>
+ continue;<br>
+<br>
+ if (virCgroupSetValueI64(group, i, "tasks", pid) < 0)<br>
+ goto cleanup;<br>
+ }<br>
+<br>
+ ret = 0;<br>
+ cleanup:<br>
+ return ret;<br>
+}<br>
+<br>
+<br>
virCgroupBackend virCgroupV1Backend = {<br>
.type = VIR_CGROUP_BACKEND_TYPE_V1,<br>
<br>
@@ -722,6 +752,7 @@ virCgroupBackend virCgroupV1Backend = {<br>
.pathOfController = virCgroupV1PathOfController,<br>
.makeGroup = virCgroupV1MakeGroup,<br>
.remove = virCgroupV1Remove,<br>
+ .addTask = virCgroupV1AddTask,<br>
};<br>
<span class="m_-5300892501139756310HOEnZb"><font color="#888888"> <br>
<br>
-- <br>
2.17.1<br>
<br>
--<br>
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</font></span></blockquote></div><br></div></div>