Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752421AbbFALst (ORCPT ); Mon, 1 Jun 2015 07:48:49 -0400 Received: from mail-pa0-f49.google.com ([209.85.220.49]:33613 "EHLO mail-pa0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751566AbbFALsm (ORCPT ); Mon, 1 Jun 2015 07:48:42 -0400 From: Baolin Wang To: tglx@linutronix.de Cc: arnd@arndb.de, john.stultz@linaro.org, linux-kernel@vger.kernel.org, baolin.wang@linaro.org, y2038@lists.linaro.org Subject: [PATCH v4 01/25] linux/time64.h:Introduce the 'struct itimerspec64' for 64bit Date: Mon, 1 Jun 2015 19:48:26 +0800 Message-Id: <1433159306-4589-1-git-send-email-baolin.wang@linaro.org> X-Mailer: git-send-email 1.7.9.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2471 Lines: 82 This patch introduces the 'struct itimerspec64' for 64bit to replace itimerspec, and also introduces the conversion methods: itimerspec64_to_itimerspec() and itimerspec_to_itimerspec64(), that makes itimerspec ready for 2038 year. Signed-off-by: Baolin Wang --- include/linux/time64.h | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/include/linux/time64.h b/include/linux/time64.h index a383147..61dc4cb 100644 --- a/include/linux/time64.h +++ b/include/linux/time64.h @@ -11,11 +11,18 @@ typedef __s64 time64_t; */ #if __BITS_PER_LONG == 64 # define timespec64 timespec +#define itimerspec64 itimerspec #else struct timespec64 { time64_t tv_sec; /* seconds */ long tv_nsec; /* nanoseconds */ }; + +struct itimerspec64 { + struct timespec64 it_interval; /* timer period */ + struct timespec64 it_value; /* timer expiration */ +}; + #endif /* Parameters used to convert the timespec values: */ @@ -43,6 +50,16 @@ static inline struct timespec64 timespec_to_timespec64(const struct timespec ts) return ts; } +static inline struct itimerspec itimerspec64_to_itimerspec(struct itimerspec64 *its64) +{ + return *its64; +} + +static inline struct itimerspec64 itimerspec_to_itimerspec64(struct itimerspec *its) +{ + return *its; +} + # define timespec64_equal timespec_equal # define timespec64_compare timespec_compare # define set_normalized_timespec64 set_normalized_timespec @@ -75,6 +92,24 @@ static inline struct timespec64 timespec_to_timespec64(const struct timespec ts) return ret; } +static inline struct itimerspec itimerspec64_to_itimerspec(struct itimerspec64 *its64) +{ + struct itimerspec ret; + + ret.it_interval = timespec64_to_timespec(its64->it_interval); + ret.it_value = timespec64_to_timespec(its64->it_value); + return ret; +} + +static inline struct itimerspec64 itimerspec_to_itimerspec64(struct itimerspec *its) +{ + struct itimerspec64 ret; + + ret.it_interval = timespec_to_timespec64(its->it_interval); + ret.it_value = timespec_to_timespec64(its->it_value); + return ret; +} + static inline int timespec64_equal(const struct timespec64 *a, const struct timespec64 *b) { -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/