From: Tom Hromatka <tom.hromatka@oracle.com>
Date: Wed, 6 Dec 2023 15:07:15 +0000 (+0000)
Subject: systemd: add cgroup_is_systemd_enabled() helper
X-Git-Tag: v3.2.0~164
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=903e278f296fa265b209805bbc95b31e2196341c;p=thirdparty%2Flibcgroup.git

systemd: add cgroup_is_systemd_enabled() helper

Add a helper function cgroup_is_systemd_enabled(), that would return
true, when compiled with --enabled-systemd option or false when
disabled.

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
---

diff --git a/include/libcgroup/systemd.h b/include/libcgroup/systemd.h
index 671b92a9..e6c863a8 100644
--- a/include/libcgroup/systemd.h
+++ b/include/libcgroup/systemd.h
@@ -133,6 +133,11 @@ void cgroup_cleanup_systemd_opts(void);
 int cgroup_write_systemd_default_cgroup(const char * const slice,
 					const char * const scope);
 
+/*
+ * Return true if systemd support is compiled into the libcgroup library
+ */
+bool cgroup_is_systemd_enabled(void);
+
 #ifdef __cplusplus
 } /* extern "C" */
 #endif
diff --git a/src/systemd.c b/src/systemd.c
index d12abc76..1a531df4 100644
--- a/src/systemd.c
+++ b/src/systemd.c
@@ -424,6 +424,11 @@ err:
 
 	return ret;
 }
+
+bool cgroup_is_systemd_enabled(void)
+{
+	return true;
+}
 #else
 int cgroup_set_default_scope_opts(struct cgroup_systemd_scope_opts * const opts)
 {
@@ -444,4 +449,9 @@ int cgroup_create_scope2(struct cgroup *cgroup, int ignore_ownership,
 	cgroup_err("Systemd support not compiled\n");
 	return 1;
 }
+
+bool cgroup_is_systemd_enabled(void)
+{
+	return false;
+}
 #endif