From patchwork Fri Aug 10 08:36:53 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Palethorpe X-Patchwork-Id: 956140 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=lists.linux.it (client-ip=2001:1418:10:5::2; helo=picard.linux.it; envelope-from=ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=suse.com Received: from picard.linux.it (picard.linux.it [IPv6:2001:1418:10:5::2]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 41mz570q19z9s5b for ; Fri, 10 Aug 2018 18:37:14 +1000 (AEST) Received: from picard.linux.it (localhost [IPv6:::1]) by picard.linux.it (Postfix) with ESMTP id CF3003E711B for ; Fri, 10 Aug 2018 10:37:10 +0200 (CEST) X-Original-To: ltp@lists.linux.it Delivered-To: ltp@picard.linux.it Received: from in-7.smtp.seeweb.it (in-7.smtp.seeweb.it [217.194.8.7]) by picard.linux.it (Postfix) with ESMTP id 836563E6099 for ; Fri, 10 Aug 2018 10:37:08 +0200 (CEST) Received: from mx1.suse.de (mx2.suse.de [195.135.220.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by in-7.smtp.seeweb.it (Postfix) with ESMTPS id 78401200DC4 for ; Fri, 10 Aug 2018 10:37:07 +0200 (CEST) Received: from relay1.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 7635CADBD; Fri, 10 Aug 2018 08:37:06 +0000 (UTC) From: Richard Palethorpe To: ltp@lists.linux.it Date: Fri, 10 Aug 2018 10:36:53 +0200 Message-Id: <20180810083654.28938-2-rpalethorpe@suse.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20180810083654.28938-1-rpalethorpe@suse.com> References: <20180810083654.28938-1-rpalethorpe@suse.com> X-Virus-Scanned: clamav-milter 0.99.2 at in-7.smtp.seeweb.it X-Virus-Status: Clean X-Spam-Status: No, score=-0.0 required=7.0 tests=SPF_PASS autolearn=disabled version=3.4.0 X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on in-7.smtp.seeweb.it Cc: Richard Palethorpe Subject: [LTP] [PATCH 1/2] tst_timer: Add tst_timer_state_ms function X-BeenThere: ltp@lists.linux.it X-Mailman-Version: 2.1.18 Precedence: list List-Id: Linux Test Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it Sender: "ltp" Allow the user to discover the current timer state with a single function. Useful for using a timer in a loop where we do not know if the timer has already been started. Signed-off-by: Richard Palethorpe --- include/tst_timer.h | 7 +++++++ lib/tst_timer.c | 11 +++++++++++ 2 files changed, 18 insertions(+) diff --git a/include/tst_timer.h b/include/tst_timer.h index 0fd7ed6cf..a6df53e82 100644 --- a/include/tst_timer.h +++ b/include/tst_timer.h @@ -34,6 +34,11 @@ #include #include +#define TST_TIMER_NONE 0 +#define TST_TIMER_STARTED 1 +#define TST_TIMER_STOPPED (1 << 1) +#define TST_TIMER_EXPIRED (1 << 2) + /* * Converts timespec to microseconds. */ @@ -259,6 +264,8 @@ void tst_timer_start(clockid_t clk_id); */ int tst_timer_expired_ms(long long ms); +int tst_timer_state_ms(long long ms); + /* * Marks timer end time. */ diff --git a/lib/tst_timer.c b/lib/tst_timer.c index 53ff36777..80dc8cf1f 100644 --- a/lib/tst_timer.c +++ b/lib/tst_timer.c @@ -87,6 +87,17 @@ int tst_timer_expired_ms(long long ms) return tst_timespec_diff_ms(cur_time, start_time) >= ms; } +int tst_timer_state_ms(long long ms) +{ + int status = TST_TIMER_NONE; + + status |= (start_time.tv_sec | start_time.tv_nsec) > 0; + status |= ((stop_time.tv_sec | stop_time.tv_nsec) > 0) << 1; + status |= tst_timer_expired_ms(ms) << 2; + + return status; +} + void tst_timer_stop(void) { if (tst_clock_gettime(clock_id, &stop_time))