From patchwork Mon May 29 19:56:01 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhangjin Wu X-Patchwork-Id: 13258904 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C5FBCC77B7E for ; Mon, 29 May 2023 19:56:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229571AbjE2T4a (ORCPT ); Mon, 29 May 2023 15:56:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37300 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229536AbjE2T43 (ORCPT ); Mon, 29 May 2023 15:56:29 -0400 Received: from bg4.exmail.qq.com (bg4.exmail.qq.com [43.154.221.58]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 48D5B92; Mon, 29 May 2023 12:56:26 -0700 (PDT) X-QQ-mid: bizesmtp78t1685390175tmckq6oi Received: from linux-lab-host.localdomain ( [119.123.130.80]) by bizesmtp.qq.com (ESMTP) with id ; Tue, 30 May 2023 03:56:14 +0800 (CST) X-QQ-SSF: 01200000000000D0V000000A0000000 X-QQ-FEAT: CRJwvrMA7Ii5QGhWTR7gAjDn/im3cUJTMJLrKCItiu9//IedHrZO8VPqve9CI JREbxHhECEfjcwj3iOLI7AtJRxZhcfwcuO1SA3a+CkIkUPFo9ONYVTiml7M01fxeghXu0CT vdthD4zOS6F9DsGvD+yFqUeF+tsLVoWmREiNsqk8v4emuWimsNWz2q3X91Rr5bTzuDeRHu1 8SYxkOwE40helGX0uZm1e7sq9E+ub2TQrpXIWvhGbqB2tcaoNclftY75ysAHMxF/uv56ubI q3Ha1mhj6elqdQbHhlOWR2LgMgKeKz4aGx+iiiglqpb3OKP3Sh2pYWRiEYiiIwD3rL2aP6Z skaIKTfTv2vEIU7Boxl8Xp2wT5XTgRGw92F+cgkFVvRT1zRnHdRY8A885R47PP8mfLT54NQ 3BjvdTpJLo4= X-QQ-GoodBg: 0 X-BIZMAIL-ID: 14858657345865464071 From: Zhangjin Wu To: w@1wt.eu Cc: arnd@arndb.de, falcon@tinylab.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-riscv@lists.infradead.org, thomas@t-8ch.de Subject: [PATCH v2 08/13] tools/nolibc: add pure 64bit time structs Date: Tue, 30 May 2023 03:56:01 +0800 Message-Id: X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtp:tinylab.org:qybglogicsvrsz:qybglogicsvrsz3a-3 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org It's time to provide 64bit time structs for all platforms, for y2038 is near. There are still old "struct timeval" and "struct itimerval" in include/uapi/linux/time.h, remove "#include " and add our own pure 64bit ones. Suggested-by: Arnd Bergmann Link: https://lore.kernel.org/linux-riscv/9e4064fc-f0c5-4dd3-941f-344d2150e1cd@app.fastmail.com/ Signed-off-by: Zhangjin Wu --- tools/include/nolibc/sys.h | 2 -- tools/include/nolibc/types.h | 49 +++++++++++++++++++++++++++++++++++- 2 files changed, 48 insertions(+), 3 deletions(-) diff --git a/tools/include/nolibc/sys.h b/tools/include/nolibc/sys.h index d0720af84b6d..1b3675d4c5fc 100644 --- a/tools/include/nolibc/sys.h +++ b/tools/include/nolibc/sys.h @@ -17,7 +17,6 @@ #include #include #include -#include #include #include /* for O_* and AT_* */ #include /* for statx() */ @@ -28,7 +27,6 @@ #include "errno.h" #include "types.h" - /* Functions in this file only describe syscalls. They're declared static so * that the compiler usually decides to inline them while still being allowed * to pass a pointer to one of their instances. Each syscall exists in two diff --git a/tools/include/nolibc/types.h b/tools/include/nolibc/types.h index 698d859fc6e2..4ff35b7ea2bb 100644 --- a/tools/include/nolibc/types.h +++ b/tools/include/nolibc/types.h @@ -8,10 +8,57 @@ #define _NOLIBC_TYPES_H #include "std.h" -#include +#include #include #include +/* based on linux/time.h but with pure 64bit time structs */ +#define timespec __kernel_timespec +#define itimerspec __kernel_itimerspec + +/* timeval is only provided for users, not compatible with syscalls */ +struct timeval { + __kernel_time64_t tv_sec; /* seconds */ + __s64 tv_usec; /* microseconds */ +}; + +struct timezone { + int tz_minuteswest; /* minutes west of Greenwich */ + int tz_dsttime; /* type of dst correction */ +}; + +/* itimerval is only provided for users, not compatible with syscalls */ +struct itimerval { + struct timeval it_interval; /* timer interval */ + struct timeval it_value; /* current value */ +}; + +/* + * Names of the interval timers, and structure + * defining a timer setting: + */ +#define ITIMER_REAL 0 +#define ITIMER_VIRTUAL 1 +#define ITIMER_PROF 2 + +/* + * The IDs of the various system clocks (for POSIX.1b interval timers): + */ +#define CLOCK_REALTIME 0 +#define CLOCK_MONOTONIC 1 +#define CLOCK_PROCESS_CPUTIME_ID 2 +#define CLOCK_THREAD_CPUTIME_ID 3 +#define CLOCK_MONOTONIC_RAW 4 +#define CLOCK_REALTIME_COARSE 5 +#define CLOCK_MONOTONIC_COARSE 6 +#define CLOCK_BOOTTIME 7 +#define CLOCK_REALTIME_ALARM 8 +#define CLOCK_BOOTTIME_ALARM 9 + +/* + * The various flags for setting POSIX.1b interval timers: + */ +#define TIMER_ABSTIME 0x01 /* Only the generic macros and types may be defined here. The arch-specific * ones such as the O_RDONLY and related macros used by fcntl() and open(), or