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util: Refactor code for adding PID to the resource group

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The code of adding PID to the allocation could be reused, refactor it
for later reuse.

Signed-off-by: Wang Huaqiang <huaqiang.wang@intel.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
This commit is contained in:
Wang Huaqiang 2018-11-12 21:31:36 +08:00 committed by John Ferlan
parent 0087378f67
commit 575a32f63f
1 changed files with 19 additions and 11 deletions
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30
src/util/virresctrl.c
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@ -2390,26 +2390,21 @@ virResctrlAllocCreate(virResctrlInfoPtr resctrl,
}
int
virResctrlAllocAddPID(virResctrlAllocPtr alloc,
pid_t pid)
static int
virResctrlAddPID(const char *path,
pid_t pid)
{
char *tasks = NULL;
char *pidstr = NULL;
int ret = 0;
/* If the allocation is empty, then it is impossible to add a PID to
* allocation due to lacking of its 'tasks' file so just return */
if (virResctrlAllocIsEmpty(alloc))
return 0;
if (!alloc->path) {
if (!path) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Cannot add pid to non-existing resctrl allocation"));
_("Cannot add pid to non-existing resctrl group"));
return -1;
}
if (virAsprintf(&tasks, "%s/tasks", alloc->path) < 0)
if (virAsprintf(&tasks, "%s/tasks", path) < 0)
return -1;
if (virAsprintf(&pidstr, "%lld", (long long int) pid) < 0)
@ -2430,6 +2425,19 @@ virResctrlAllocAddPID(virResctrlAllocPtr alloc,
}
int
virResctrlAllocAddPID(virResctrlAllocPtr alloc,
pid_t pid)
{
/* If the allocation is empty, then it is impossible to add a PID to
* allocation due to lacking of its 'tasks' file so just return */
if (virResctrlAllocIsEmpty(alloc))
return 0;
return virResctrlAddPID(alloc->path, pid);
}
int
virResctrlAllocRemove(virResctrlAllocPtr alloc)
{