Add the library function cgroup_register_unchanged_process().

Hi,

Changelog of v6:
================
 * No change.

Changelog of v5:
================
 * Rebase the patch to the latest code.

Changelog of v4:
================
 * No change.

Changelog of v3:
================
 * No change.

Changelog of v2:
================
 * New patch.

Description:
============
This patch adds the library function cgroup_register_unchanged_process()
for notifying cgrulesengd daemon of the unchanged process.

Thanks
Ken'ichi Ohmichi

Signed-off-by: Ken'ichi Ohmichi <oomichi@mxs.nes.nec.co.jp>
Signed-off-by: Dhaval Giani <dhaval@linux.vnet.ibm.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/include/libcgroup.h b/include/libcgroup.h
index 8707412..953703b 100644
--- a/include/libcgroup.h
+++ b/include/libcgroup.h
@@ -324,6 +324,15 @@ int cgroup_get_task_begin(char *cgroup, char *controller, void **handle,
 								pid_t *pid);
 
 /**
+ * Register the unchanged process to a cgrulesengd daemon.
+ * If the daemon does not work, this function returns 0 as success.
+ * @param pid: The process id
+ * @param flags Bit flags to change the behavior, as defined above
+ * @return 0 on success, > 0 on error.
+ */
+int cgroup_register_unchanged_process(pid_t pid, int flags);
+
+/**
  * Read the next task value
  * @handle: The handle used for iterating
  * @pid: The variable where the value will be stored