summaryrefslogtreecommitdiff
path: root/src/grp-utils/systemd-ac-power/ac-power.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/grp-utils/systemd-ac-power/ac-power.c')
-rw-r--r--src/grp-utils/systemd-ac-power/ac-power.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/src/grp-utils/systemd-ac-power/ac-power.c b/src/grp-utils/systemd-ac-power/ac-power.c
new file mode 100644
index 0000000000..4b9190f8c9
--- /dev/null
+++ b/src/grp-utils/systemd-ac-power/ac-power.c
@@ -0,0 +1,35 @@
+/***
+ This file is part of systemd.
+
+ Copyright 2010 Lennart Poettering
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "systemd-basic/util.h"
+
+int main(int argc, char *argv[]) {
+ int r;
+
+ /* This is mostly intended to be used for scripts which want
+ * to detect whether AC power is plugged in or not. */
+
+ r = on_ac_power();
+ if (r < 0) {
+ log_error_errno(r, "Failed to read AC status: %m");
+ return EXIT_FAILURE;
+ }
+
+ return r != 0 ? EXIT_SUCCESS : EXIT_FAILURE;
+}