From patchwork Wed Aug 4 00:42:16 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ian M X-Patchwork-Id: 1513137 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) 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; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=ipGgmLLB; dkim-atps=neutral Received: from picard.linux.it (picard.linux.it [IPv6:2001:1418:10:5::2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4GfXyM0PDqz9s5R for ; Wed, 4 Aug 2021 10:42:32 +1000 (AEST) Received: from picard.linux.it (localhost [IPv6:::1]) by picard.linux.it (Postfix) with ESMTP id 10D393C2DBE for ; Wed, 4 Aug 2021 02:42:24 +0200 (CEST) X-Original-To: ltp@lists.linux.it Delivered-To: ltp@picard.linux.it Received: from in-5.smtp.seeweb.it (in-5.smtp.seeweb.it [IPv6:2001:4b78:1:20::5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by picard.linux.it (Postfix) with ESMTPS id 96E2C3C2DBE for ; Wed, 4 Aug 2021 02:42:21 +0200 (CEST) Received: from mail-ed1-x531.google.com (mail-ed1-x531.google.com [IPv6:2a00:1450:4864:20::531]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by in-5.smtp.seeweb.it (Postfix) with ESMTPS id B900C60057C for ; Wed, 4 Aug 2021 02:42:20 +0200 (CEST) Received: by mail-ed1-x531.google.com with SMTP id cf5so1368025edb.2 for ; Tue, 03 Aug 2021 17:42:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=vyZSv6aovCCmaOdXJQVMQu51nRE7tvij8ZWBjVu/Id8=; b=ipGgmLLBxoTXPXrky+ZxqqG1SVBuF7y8LXozFG4Ga56Oehb7Jx/lrRg3K3TKybWYTE PuXIrv7hQK8AlyhuGWMzc5Rz5atUofwyOJoltwtFdHHFeGBZJ60qESbYp6M4JG79cApG WRYSCQwE0VBzVHWOhUyRnxVCPTh4LNr/u640YOMwT3SmqhB/7IxcvJiTTR+SeeonPA9o 2uFl1lYABLEO9JX46y2jNiScrHJdLKCZoIKr4ttjJ2IdB2HpbEktANV6VudBV0Gq39Er nPuNBnXIn1WFjCy1gCsLBP1gFM5mTMdFq/fJhTpFPiSTvkEMxfSyLn+VjIUr+VIKPINq raWA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=vyZSv6aovCCmaOdXJQVMQu51nRE7tvij8ZWBjVu/Id8=; b=eFbW2stEW0FPiLnubX1UtNxhlJKaJ2t8zVlrGEvEM6AoTb5+Nyl2dpPz/0Bs9bfn7q fixQ5GgmFlQBcPcYAbfXvhOlrL0++tne2UmB2M7hcXGTSjh+Bifa4FhoAlk3jPf476P4 vLvdphGs4RX11JhIPP3ksAKe/tkaTXH1i+4h5EQBmI0T3X7b6mSOzXhaIiSVi0ScgXou 29ieSIK3hyeP144l4TNssA+2G0jts+B4nGtc70uQwbuY6MGveUvUKOTmwS5FKEbMHWwt bjYKmCgmfCisBeyuxc64HEItNL4IJdJpjiux5mL9+EwuEaBefTlGfBsCb58J7So4nQZp wMiw== X-Gm-Message-State: AOAM531oG5QB/wwQABE7mxRzagtEIa4S9HGP20KgBZXy+ZpTdMm65QqQ BInhE3CqiWhKdeaDFAcpdkfPOjZGmwRzRJIK X-Google-Smtp-Source: ABdhPJy4q6GdExdwq2uS3tPTpGQ4Yj17BkpkqhOvx9GAlPQFUXq7Zlc2QrfCpLf3iKEF27tUvZkeyQ== X-Received: by 2002:a05:6402:603:: with SMTP id n3mr27689273edv.61.1628037740159; Tue, 03 Aug 2021 17:42:20 -0700 (PDT) Received: from localhost.localdomain (us.sesame.canonical.com. [91.189.91.16]) by smtp.gmail.com with ESMTPSA id m20sm251035edv.67.2021.08.03.17.42.18 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Aug 2021 17:42:19 -0700 (PDT) From: Ian May X-Google-Original-From: Ian May To: ltp@lists.linux.it Date: Wed, 4 Aug 2021 00:42:16 +0000 Message-Id: <20210804004216.2754304-1-ian.may@canonical.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.102.4 at in-5.smtp.seeweb.it X-Virus-Status: Clean X-Spam-Status: No, score=0.1 required=7.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,SPF_HELO_NONE,SPF_PASS autolearn=disabled version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on in-5.smtp.seeweb.it Subject: [LTP] [PATCH] syscalls/shmget03: Stat and skip existing shared segments X-BeenThere: ltp@lists.linux.it X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Test Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it Sender: "ltp" From: Ian May Run a SHM_STAT prior to the creation of the shared memory segment. This allows for not failing unexpectedly and still exhausting the proper max shared segments. Signed-off-by: Ian May --- testcases/kernel/syscalls/ipc/shmget/shmget03.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/testcases/kernel/syscalls/ipc/shmget/shmget03.c b/testcases/kernel/syscalls/ipc/shmget/shmget03.c index efbc465e1..fe91b6191 100644 --- a/testcases/kernel/syscalls/ipc/shmget/shmget03.c +++ b/testcases/kernel/syscalls/ipc/shmget/shmget03.c @@ -34,6 +34,7 @@ static void verify_shmget(void) static void setup(void) { int res, num; + struct shmid_ds buf; shmkey = GETIPCKEY(); @@ -41,6 +42,8 @@ static void setup(void) queues = SAFE_MALLOC(maxshms * sizeof(int)); for (num = 0; num < maxshms; num++) { + if(shmctl(num, SHM_STAT, &buf) != -1) + continue; res = shmget(shmkey + num, SHM_SIZE, IPC_CREAT | IPC_EXCL | SHM_RW); if (res == -1) tst_brk(TBROK | TERRNO, "shmget failed unexpectedly");