diff options
Diffstat (limited to 'util/powerd_lock.c')
-rw-r--r-- | util/powerd_lock.c | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/util/powerd_lock.c b/util/powerd_lock.c deleted file mode 100644 index df34d03c6c..0000000000 --- a/util/powerd_lock.c +++ /dev/null @@ -1,63 +0,0 @@ -/* - * This file is ported from the flashrom project. - * - * Copyright 2015 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * - * powerd_lock.c: power management routines - */ - -#include <errno.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <sys/types.h> -#include <unistd.h> - -#include "powerd_lock.h" - -/* - * Path to a file containing flashrom's PID. While present, powerd avoids - * suspending or shutting down the system. - */ -static const char lock_file_path[] = - "/run/lock/power_override/battery_tool.lock"; - -int disable_power_management() -{ - FILE *lock_file; - int rc = 0; - lock_file = fopen(lock_file_path, "w"); - if (!lock_file) - return POWERD_CREATE_LOCK_FILE_ERROR; - - if (fprintf(lock_file, "%ld", (long)getpid()) < 0) - rc = POWERD_WRITE_LOCK_FILE_ERROR; - - if (fclose(lock_file) != 0) - rc |= POWERD_CLOSE_LOCK_FILE_ERROR; - return rc; -} - -int restore_power_management() -{ - int result = 0; - result = unlink(lock_file_path); - if (result != 0 && errno != ENOENT) - return POWERD_DELETE_LOCK_FILE_ERROR; - return 0; -} |