diff options
Diffstat (limited to 'src/grp-utils/systemd-ac-power/ac-power.c')
-rw-r--r-- | src/grp-utils/systemd-ac-power/ac-power.c | 35 |
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; +} |