From patchwork Mon Mar 25 19:23:02 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ilya Leoshkevich X-Patchwork-Id: 13602807 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 54890C54E64 for ; Mon, 25 Mar 2024 19:25:56 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ropwT-0006eB-JT; Mon, 25 Mar 2024 15:25:09 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ropwD-0006by-Rc for qemu-devel@nongnu.org; Mon, 25 Mar 2024 15:24:54 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ropwC-0007vb-7s for qemu-devel@nongnu.org; Mon, 25 Mar 2024 15:24:53 -0400 Received: from pps.filterd (m0356517.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 42PEMBwP022716; Mon, 25 Mar 2024 19:24:49 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=wjRpVJPhyxilLzIy1Tak1KVUa6TRuTDeXG+c92F7PD4=; b=WDS/n9cQD76BzX6/sxPxQalRe0kKHW6veLarNdqMBwrABh35p8jAlwsZ7OjVKzLLbh3T o8nkAIrWsYyaCMlcDzx1o1SD8yic+tJGFxdlgdglwFujfrwxUyuY/3idUoXahqrHLIeB TlTzHv+KxVZLvjKfRopFffb80PEBY6Qoli0jF6RNqNdrm+57wxKWg5gLPeBQIdx3jghW WqTtgOJFYJwmuLoBs2dMUfqUCvczs7dPaAaRmM/+4yy2JQvqKQ8w3pNqYtC5rPOv5Q4T xwbosixyk23bYmXGRZxpeUPwiwAFfAup9Sn4y4PbgDekRkdX8azovWOVAqOOIlMz/wlz yg== Received: from ppma12.dal12v.mail.ibm.com (dc.9e.1632.ip4.static.sl-reverse.com [50.22.158.220]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3x3aygrn1f-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 25 Mar 2024 19:24:48 +0000 Received: from pps.filterd (ppma12.dal12v.mail.ibm.com [127.0.0.1]) by ppma12.dal12v.mail.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 42PIjBBw016592; Mon, 25 Mar 2024 19:24:47 GMT Received: from smtprelay07.fra02v.mail.ibm.com ([9.218.2.229]) by ppma12.dal12v.mail.ibm.com (PPS) with ESMTPS id 3x29dtuj0c-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 25 Mar 2024 19:24:47 +0000 Received: from smtpav01.fra02v.mail.ibm.com (smtpav01.fra02v.mail.ibm.com [10.20.54.100]) by smtprelay07.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 42PJOio047120740 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 25 Mar 2024 19:24:46 GMT Received: from smtpav01.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 005DC20043; Mon, 25 Mar 2024 19:24:44 +0000 (GMT) Received: from smtpav01.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A44FA20040; Mon, 25 Mar 2024 19:24:43 +0000 (GMT) Received: from localhost.localdomain (unknown [9.171.7.191]) by smtpav01.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 25 Mar 2024 19:24:43 +0000 (GMT) From: Ilya Leoshkevich To: Richard Henderson , Laurent Vivier , =?utf-8?q?Alex_Benn=C3=A9e?= Cc: qemu-devel@nongnu.org, Ilya Leoshkevich Subject: [PATCH v2 4/4] tests/tcg: Test shmat(NULL) Date: Mon, 25 Mar 2024 20:23:02 +0100 Message-ID: <20240325192436.561154-5-iii@linux.ibm.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240325192436.561154-1-iii@linux.ibm.com> References: <20240325192436.561154-1-iii@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: zwgJSXpAPLUPcr-oL7oUUbeLqURTcT9K X-Proofpoint-ORIG-GUID: zwgJSXpAPLUPcr-oL7oUUbeLqURTcT9K X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-03-25_18,2024-03-21_02,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 bulkscore=0 adultscore=0 mlxlogscore=923 malwarescore=0 lowpriorityscore=0 impostorscore=0 phishscore=0 suspectscore=0 priorityscore=1501 spamscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2403210000 definitions=main-2403250116 Received-SPF: pass client-ip=148.163.156.1; envelope-from=iii@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Add a small test to prevent regressions. Reviewed-by: Richard Henderson Signed-off-by: Ilya Leoshkevich --- tests/tcg/multiarch/linux/linux-shmat-null.c | 38 ++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 tests/tcg/multiarch/linux/linux-shmat-null.c diff --git a/tests/tcg/multiarch/linux/linux-shmat-null.c b/tests/tcg/multiarch/linux/linux-shmat-null.c new file mode 100644 index 00000000000..94eaaec371a --- /dev/null +++ b/tests/tcg/multiarch/linux/linux-shmat-null.c @@ -0,0 +1,38 @@ +/* + * Test shmat(NULL). + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#include +#include +#include +#include + +int main(void) +{ + int shmid; + char *p; + int err; + + /* Create, attach and intialize shared memory. */ + shmid = shmget(IPC_PRIVATE, 1, IPC_CREAT | 0600); + assert(shmid != -1); + p = shmat(shmid, NULL, 0); + assert(p != (void *)-1); + *p = 42; + + /* Reattach, check that the value is still there. */ + err = shmdt(p); + assert(err == 0); + p = shmat(shmid, NULL, 0); + assert(p != (void *)-1); + assert(*p == 42); + + /* Detach. */ + err = shmdt(p); + assert(err == 0); + err = shmctl(shmid, IPC_RMID, NULL); + assert(err == 0); + + return EXIT_SUCCESS; +}