From patchwork Fri Nov 18 15:00:14 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Foss X-Patchwork-Id: 9436809 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id C0B3F60469 for ; Fri, 18 Nov 2016 15:01:05 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B764A29937 for ; Fri, 18 Nov 2016 15:01:05 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id AC8712993A; Fri, 18 Nov 2016 15:01:05 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 6EEC429937 for ; Fri, 18 Nov 2016 15:01:05 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 038556E9D7; Fri, 18 Nov 2016 15:01:05 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [46.235.227.227]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8EE896E9D7 for ; Fri, 18 Nov 2016 15:01:01 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: robertfoss) with ESMTPSA id 2B444268C16 From: robert.foss@collabora.com To: intel-gfx@lists.freedesktop.org, Gustavo Padovan , Daniel Stone , Daniel Vetter , Marius Vlad , Eric Engestrom , Chris Wilson , Tomeu Vizoso Date: Fri, 18 Nov 2016 10:00:14 -0500 Message-Id: <20161118150015.10745-21-robert.foss@collabora.com> X-Mailer: git-send-email 2.10.2 In-Reply-To: <20161118150015.10745-1-robert.foss@collabora.com> References: <20161118150015.10745-1-robert.foss@collabora.com> Subject: [Intel-gfx] [PATCH i-g-t v6 20/21] tests/sw_sync: Add subtest test_sync_busy_fork X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP From: Robert Foss Add subtest test_sync_busy_fork which increments the timeline in a forked child process. Signed-off-by: Robert Foss --- tests/sw_sync.c | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/tests/sw_sync.c b/tests/sw_sync.c index 3a67877..e0bf6c3 100644 --- a/tests/sw_sync.c +++ b/tests/sw_sync.c @@ -171,6 +171,42 @@ static void test_sync_busy(void) close(timeline); } +static void test_sync_busy_fork(void) +{ + int fence, ret; + int timeline; + int skip = 0; + + timeline = sw_sync_timeline_create(); + fence = sw_sync_fence_create(timeline, 1); + + switch (fork()) { + case 0: + /* Child process */ + usleep(1*1000*1000); + /* Advance timeline from 0 -> 1 */ + sw_sync_timeline_inc(timeline, 1); + _Exit(0); + break; + case -1: + /* Failed fork */ + skip = 1; + break; + default: + /* Parent process */ + ret = sync_wait(fence, 0); + igt_assert_f(ret == -1 && errno == ETIME, "Fence signaled (it should not have been signalled yet)\n"); + + ret = sync_wait(fence, 2*1000); + igt_assert_f(ret == 0, "Fence not signaled (timeline value 1 fence seqno 1)\n"); + break; + } + + close(fence); + close(timeline); + igt_require(!skip); +} + static void test_sync_merge_invalid(void) { int in_fence; @@ -789,6 +825,9 @@ igt_main igt_subtest("sync_busy") test_sync_busy(); + igt_subtest("sync_busy_fork") + test_sync_busy_fork(); + igt_subtest("sync_merge_invalid") test_sync_merge_invalid();