From patchwork Sat Jan 16 14:58:59 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alejandro Colomar X-Patchwork-Id: 41730 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 383053857815; Sat, 16 Jan 2021 14:59:53 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 383053857815 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1610809193; bh=gZJPUC2BG+TOT9o2aEVsA+qGMnWjxfBaPQzPbkEro94=; h=To:Subject:Date:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:Cc:From; b=ajoqd5ExoB4dkphXWTbE9dVLHYtDfRdaAKTWwY+sgZbRvz7NTQB2gHjyFb8eVNJ5o fb4p7M6s8bji9f8Aeb6VVgGyYU82K9J3qkNKKiny9hk6w0Xu+TohyMdGebAf/BchNk FK7qjDnZkGGbbp7S9WfunWQVPVN1gpH7DH83OGSw= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from mail-wr1-x42b.google.com (mail-wr1-x42b.google.com [IPv6:2a00:1450:4864:20::42b]) by sourceware.org (Postfix) with ESMTPS id 60B693857815 for ; Sat, 16 Jan 2021 14:59:50 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 60B693857815 Received: by mail-wr1-x42b.google.com with SMTP id q18so12177104wrn.1 for ; Sat, 16 Jan 2021 06:59:50 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=gZJPUC2BG+TOT9o2aEVsA+qGMnWjxfBaPQzPbkEro94=; b=USU21XAd2w5one6t3ozwoa58G3nojV1z+mw3yE3+kewvnmuJzPo5ytsgU9TpenYJya mLPGgfSvpNubi+2xIxdeUdkPuxIsI8wIxpaj2zEVB3hnvaB2erofwb29nJ9OpOVwyTC2 NJD9mZpU0eLTAMwFTn3sqpiRFkXDwE4OaPVg6DF/cAGh0F7qVtReBdBKWlpAl197kbRP 4S/k4cwrbLGZKiM1+eHq0GE54+AvHaxPU1WOTpP+cPaaIuygopGrcVwerjcstPrQ3Emj 8XS+DJoRigYHvNOfCXEaC06SmmdPepbtRlbYIIYTQUkfDagQ1+0m1aOfY/mdwKEyhg7K YDAw== X-Gm-Message-State: AOAM530IBKzGdbR1XmhddpHCcbw3eYOebKHn/QwB7g1GSfej1gOW75vz mby2P8ANi1bccxRlPctXvKI= X-Google-Smtp-Source: ABdhPJw7KAZjohdErqxIzYb5Y6fZxoHiz7xBb7isjSsaTKQMzBnYPuS2pZQ5A3JqOj8YJEe3BE3G6Q== X-Received: by 2002:a5d:6206:: with SMTP id y6mr18738998wru.413.1610809189604; Sat, 16 Jan 2021 06:59:49 -0800 (PST) Received: from debian.vlc ([170.253.51.130]) by smtp.gmail.com with ESMTPSA id w4sm15876237wmc.13.2021.01.16.06.59.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 16 Jan 2021 06:59:49 -0800 (PST) To: mtk.manpages@gmail.com Subject: [PATCH] execveat.2: Normalize notes about missing wrappers Date: Sat, 16 Jan 2021 15:58:59 +0100 Message-Id: <20210116145858.7754-1-alx.manpages@gmail.com> X-Mailer: git-send-email 2.30.0 MIME-Version: 1.0 X-Spam-Status: No, score=-12.2 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Alejandro Colomar via Libc-alpha From: Alejandro Colomar Reply-To: Alejandro Colomar Cc: Alejandro Colomar , linux-man@vger.kernel.org, libc-alpha@sourceware.org Errors-To: libc-alpha-bounces@sourceware.org Sender: "Libc-alpha" It's been a long time sine kernel 3.19. There's still no glibc wrapper. ...... $ grep -rn 'execveat *(' glibc/ $ Signed-off-by: Alejandro Colomar --- man2/execveat.2 | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/man2/execveat.2 b/man2/execveat.2 index ef3606d8b..02d9c7331 100644 --- a/man2/execveat.2 +++ b/man2/execveat.2 @@ -30,10 +30,13 @@ execveat \- execute program relative to a directory file descriptor .nf .B #include .PP -.BI "int execveat(int " dirfd ", const char *" pathname "," -.BI " char *const " argv "[], char *const " envp "[]," +.BI "int execveat(int " dirfd ", const char *" pathname , +.BI " char *const " argv "[], char *const " envp [], .BI " int " flags ); .fi +.PP +.IR Note : +There is no glibc wrapper for this system call; see NOTES. .SH DESCRIPTION .\" commit 51f39a1f0cea1cacf8c787f652f26dfee9611874 The @@ -160,8 +163,6 @@ is a file descriptor referring to a file other than a directory. .SH VERSIONS .BR execveat () was added to Linux in kernel 3.19. -GNU C library support is pending. -.\" FIXME . check for glibc support in a future release .SH CONFORMING TO The .BR execveat () @@ -207,6 +208,9 @@ the natural idiom when using is to set the close-on-exec flag on .IR dirfd . (But see BUGS.) +.PP +Glibc does not provide a wrapper for this system call; call it using +.BR syscall (2). .SH BUGS The .B ENOENT