From: Michael Tremer <michael.tremer@ipfire.org>
Date: Sat, 14 Dec 2024 13:39:42 +0000 (+0000)
Subject: cgroups: Bring back convenience function to create a child group
X-Git-Tag: 0.9.30~723
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=861670c3d2c4f1a9e801e3d06ea12d60bcb04eb6;p=pakfire.git

cgroups: Bring back convenience function to create a child group

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/libpakfire/cgroup.c b/src/libpakfire/cgroup.c
index dbf769f45..2581426bc 100644
--- a/src/libpakfire/cgroup.c
+++ b/src/libpakfire/cgroup.c
@@ -498,6 +498,11 @@ static int pakfire_cgroup_killall(struct pakfire_cgroup* cgroup) {
 	return pakfire_cgroup_write(cgroup, "cgroup.kill", "1");
 }
 
+int pakfire_cgroup_child(struct pakfire_cgroup** child,
+		struct pakfire_cgroup* cgroup, const char* path, int flags) {
+	return pakfire_cgroup_open(child, cgroup->ctx, cgroup, path, flags);
+}
+
 /*
 	Immediately destroys this cgroup
 */
diff --git a/tests/libpakfire/cgroup.c b/tests/libpakfire/cgroup.c
index 549f89990..0970560b2 100644
--- a/tests/libpakfire/cgroup.c
+++ b/tests/libpakfire/cgroup.c
@@ -45,6 +45,33 @@ FAIL:
 	return r;
 }
 
+static int test_child(const struct test* t) {
+	struct pakfire_cgroup* cgroup = NULL;
+	struct pakfire_cgroup* child = NULL;
+	int r = EXIT_FAILURE;
+
+	// Open a new cgroup
+	ASSERT_SUCCESS(pakfire_cgroup_create(&cgroup, t->ctx, NULL, "pakfire-test", 0));
+
+	// Create a child
+	ASSERT_SUCCESS(pakfire_cgroup_child(&child, cgroup, "child-group", 0));
+
+	// Destroy the cgroups again
+	ASSERT_SUCCESS(pakfire_cgroup_destroy(child));
+	ASSERT_SUCCESS(pakfire_cgroup_destroy(cgroup));
+
+	// Success
+	r = EXIT_SUCCESS;
+
+FAIL:
+	if (child)
+		pakfire_cgroup_unref(child);
+	if (cgroup)
+		pakfire_cgroup_unref(cgroup);
+
+	return r;
+}
+
 static int test_stats(const struct test* t) {
 	struct pakfire_cgroup* cgroup = NULL;
 	struct pakfire_jail* jail = NULL;
@@ -95,6 +122,7 @@ FAIL:
 
 int main(int argc, const char* argv[]) {
 	testsuite_add_test(test_create_and_destroy, 0);
+	testsuite_add_test(test_child, 0);
 	testsuite_add_test(test_stats, TEST_WANTS_PAKFIRE);
 
 	return testsuite_run(argc, argv);