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[2620:137:e000::1:20]) by mx.google.com with ESMTP id u17-20020a170902e81100b001a05d12eeb3si2773300plg.189.2023.04.02.11.23.30; Sun, 02 Apr 2023 11:23:43 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@weissschuh.net header.s=mail header.b=t29kOege; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231322AbjDBSEr (ORCPT + 99 others); Sun, 2 Apr 2023 14:04:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35072 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230478AbjDBSEq (ORCPT ); Sun, 2 Apr 2023 14:04:46 -0400 Received: from todd.t-8ch.de (todd.t-8ch.de [IPv6:2a01:4f8:c010:41de::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 623EF4EFD; Sun, 2 Apr 2023 11:04:45 -0700 (PDT) From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=weissschuh.net; s=mail; t=1680458683; bh=WpL7AHZ/RVZDepQeqXUZNCLzamt9+Jfw6eToN9dbdkk=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=t29kOegeu0yrjhaRhphXka1AJv8dp1R6T2UEglYfOBN5JIXWo3Q9SJmFcsDsQDEuF ooA+XcAvMvDprzbZF2KpELe5PRjtm3CXdd5KEvRW7A5cA7YGmbXm7Zabfr/Q7DeTSE PtrRZlfDJhJVKYc1GLhbgqLHm44AkBndUkXM/ots= Date: Sun, 02 Apr 2023 18:04:35 +0000 Subject: [PATCH v3 2/4] tools/nolibc: add wrapper for memfd_create MIME-Version: 1.0 Message-Id: <20230328-nolibc-printf-test-v3-2-ddc79f92efd5@weissschuh.net> References: <20230328-nolibc-printf-test-v3-0-ddc79f92efd5@weissschuh.net> In-Reply-To: <20230328-nolibc-printf-test-v3-0-ddc79f92efd5@weissschuh.net> To: Willy Tarreau , Shuah Khan Cc: linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1680458682; l=1058; i=linux@weissschuh.net; s=20221212; h=from:subject:message-id; bh=WpL7AHZ/RVZDepQeqXUZNCLzamt9+Jfw6eToN9dbdkk=; b=SWX0F2lLJt4IidEUS718+TFzjJz9Pt8aypgXLOk79aZ2l1abVew2uqgb+bV2rFVC2NcVhXha6 dIhXOgzygv9DKZ6qqz/3ByATgmcR1k5WdkEEHId4zEFV6yOHIK3/v3H X-Developer-Key: i=linux@weissschuh.net; a=ed25519; pk=KcycQgFPX2wGR5azS7RhpBqedglOZVgRPfdFSPB1LNw= X-Spam-Status: No, score=-0.2 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1762089839798086002?= X-GMAIL-MSGID: =?utf-8?q?1762089839798086002?= This is useful for users and will also be used by a future testcase. Signed-off-by: Thomas Weißschuh --- tools/include/nolibc/sys.h | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/tools/include/nolibc/sys.h b/tools/include/nolibc/sys.h index 5d624dc63a42..bea9760dbd16 100644 --- a/tools/include/nolibc/sys.h +++ b/tools/include/nolibc/sys.h @@ -1365,6 +1365,29 @@ ssize_t write(int fd, const void *buf, size_t count) return ret; } + +/* + * int memfd_create(const char *name, unsigned int flags); + */ + +static __attribute__((unused)) +int sys_memfd_create(const char *name, unsigned int flags) +{ + return my_syscall2(__NR_memfd_create, name, flags); +} + +static __attribute__((unused)) +int memfd_create(const char *name, unsigned int flags) +{ + ssize_t ret = sys_memfd_create(name, flags); + + if (ret < 0) { + SET_ERRNO(-ret); + ret = -1; + } + return ret; +} + /* make sure to include all global symbols */ #include "nolibc.h"