| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #pragma once |
| |
| /** |
| * @file sys/timex.h |
| * @brief Kernel clock tuning. |
| */ |
| |
| #include <sys/cdefs.h> |
| #include <sys/types.h> |
| #include <linux/timex.h> |
| |
| __BEGIN_DECLS |
| |
| /** |
| * [adjtimex(2)](http://man7.org/linux/man-pages/man2/adjtimex.2.html) adjusts the kernel clock. |
| * |
| * Returns the clock state on success, and returns -1 and sets `errno` on failure. |
| * |
| * Available since API level 24. |
| */ |
| int adjtimex(struct timex* __buf) __INTRODUCED_IN(24); |
| |
| /** |
| * clock_adjtime adjusts a specific kernel clock. |
| * |
| * Returns 0 on success, and returns -1 and sets `errno` on failure. |
| * |
| * Available since API level 24. |
| */ |
| int clock_adjtime(clockid_t __clock, struct timex* __tx) __INTRODUCED_IN(24); |
| |
| __END_DECLS |
