From: Ivana Hutarova Varekova <varekova@redhat.com>
Date: Thu, 2 Sep 2010 10:17:21 +0000 (+0200)
Subject: add test for empty controller/variable stack
X-Git-Tag: v0.37.1~42
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1320a327f979a703b0397ebc4d9e72ef9f542789;p=thirdparty%2Flibcgroup.git

add test for empty controller/variable stack

add test for empty controller/variable stack

Signed-off-by: Ivana Hutarova Varekova <varekova@redhat.com>
Signed-off-by: Jan Safranek <jsafrane@redhat.com>
---

diff --git a/doc/man/cgget.1 b/doc/man/cgget.1
index f02fbbad..543f7f2f 100644
--- a/doc/man/cgget.1
+++ b/doc/man/cgget.1
@@ -12,6 +12,8 @@ cgget \- print parameter(s) of given group(s)
 
 .SH DESCRIPTION
 The command prints the parameter(s) of input cgroup(s).
+If there is not set any controller or variable,
+then values of all possible variables are displayed.
 
 .TP
 .B <path>
diff --git a/src/tools/cgget.c b/src/tools/cgget.c
index de1a7dc1..433e3b67 100644
--- a/src/tools/cgget.c
+++ b/src/tools/cgget.c
@@ -321,6 +321,13 @@ int main(int argc, char *argv[])
 		goto err;
 	}
 
+	/*
+	 * if no controller or variable is set
+	 * then show values of all possible variables
+	 */
+	if ((c_number == 0) && (n_number == 0))
+		mode |=  MODE_SHOW_ALL_CONTROLLERS;
+
 	/* Initialize libcgroup. */
 	ret = cgroup_init();
 	if (ret) {