This patch adds cgcreate tool

This patch adds cgcreate tool, which creates cgroups based on input
    parameters - the syntax is:

    cgcreate -t <tuid>:<tgid> -a <agid>:<auid> -g <list of
controllers>:<relative path to cgroup>

    where:
    -a enables user to define admin gid and uid (implicit values are the
same values which are in the parent directory)
    -t enables user to define task gid and uid (implicit values are the
same values which are in parent directory)
    -g sets pairs list of controllers-relative path to cgroup

-------------------------------------------------
EXAMPLES:
* ../../libtool --mode=execute ./cgcreate -a :varekova  -g cpuacct:first

* ll /mnt/cgroups/cpuacct | grep first
drwxrwxr-x 2 root     varekova 0 2009-06-03 09:14 first

* ll /mnt/cgroups/cpuacct/first/*
-rwxrwxr-x 1 root varekova 0 2009-06-03 09:14 /mnt/cgroups/cpuacct/first/cpuacct.usage
-rwxrwxr-x 1 root varekova 0 2009-06-03 09:14 /mnt/cgroups/cpuacct/first/notify_on_release
-rwxrwxr-x 1 root varekova 0 2009-06-03 09:14 /mnt/cgroups/cpuacct/first/tasks

* ../../libtool --mode=execute ./cgcreate -a varekova:root -t varekova:varekova -g cpuacct:second

* ll /mnt/cgroups/cpuacct/ | grep second
drwxrwxr-x 2 varekova root     0 2009-06-03 09:13 second

* ll /mnt/cgroups/cpuacct/second
total 0
-rwxrwxr-x 1 varekova root     0 2009-06-03 09:13 cpuacct.usage
-rwxrwxr-x 1 varekova root     0 2009-06-03 09:13 notify_on_release
-rwxrwxr-x 1 varekova varekova 0 2009-06-03 09:13 tasks

* ../../libtool --mode=execute ./cgcreate -a varekova:varekova  -g cpuacct:third -g cpuacct:fourth

* ll /mnt/cgroups/cpuacct | grep h
drwxrwxr-x 2 varekova varekova 0 2009-06-03 09:18 fourth
drwxrwxr-x 2 varekova varekova 0 2009-06-03 09:18 third

* ll /mnt/cgroups/cpuacct/*h*
/mnt/cgroups/cpuacct/fourth:
total 0
-rwxrwxr-x 1 varekova varekova 0 2009-06-03 09:18 cpuacct.usage
-rwxrwxr-x 1 varekova varekova 0 2009-06-03 09:18 notify_on_release
-rwxrwxr-x 1 varekova varekova 0 2009-06-03 09:18 tasks

/mnt/cgroups/cpuacct/third:
total 0
-rwxrwxr-x 1 varekova varekova 0 2009-06-03 09:18 cpuacct.usage
-rwxrwxr-x 1 varekova varekova 0 2009-06-03 09:18 notify_on_release
-rwxrwxr-x 1 varekova varekova 0 2009-06-03 09:18 tasks

Signed-off-by: Ivana Varekova <varekova@redhat.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/src/tools/Makefile.am b/src/tools/Makefile.am
index 93d09ac..73f9130 100644
--- a/src/tools/Makefile.am
+++ b/src/tools/Makefile.am
@@ -3,7 +3,7 @@ LDADD = $(top_srcdir)/src/.libs/libcgroup.la
 
 if WITH_TOOLS
 
-bin_PROGRAMS = cgexec cgclassify
+bin_PROGRAMS = cgexec cgclassify cgcreate
 
 sbin_PROGRAMS = cgconfigparser
 
@@ -11,6 +11,8 @@ cgexec_SOURCES = cgexec.c tools-common.c tools-common.h
 
 cgclassify_SOURCES = cgclassify.c tools-common.c tools-common.h
 
+cgcreate_SOURCES = cgcreate.c tools-common.c tools-common.h
+
 cgconfigparser_SOURCES = cgconfig.c
 
 endif