From patchwork Mon Nov 23 20:34:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alejandro Colomar X-Patchwork-Id: 1405112 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=sourceware.org (client-ip=2620:52:3:1:0:246e:9693:128c; helo=sourceware.org; envelope-from=libc-alpha-bounces@sourceware.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=sourceware.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; secure) header.d=sourceware.org header.i=@sourceware.org header.a=rsa-sha256 header.s=default header.b=AZA4/Ua5; dkim-atps=neutral Received: from sourceware.org (server2.sourceware.org [IPv6:2620:52:3:1:0:246e:9693:128c]) (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 4CfzRt1JNXz9sSs for ; Tue, 24 Nov 2020 07:35:22 +1100 (AEDT) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id BD01D3833014; Mon, 23 Nov 2020 20:35:16 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org BD01D3833014 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1606163716; bh=bC9Xwb1/XxVmdsfGziSMeZlvPwZj+jolzd/dm7uTUlc=; h=To:Subject:Date:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:Cc:From; b=AZA4/Ua5E4FrPZevcEbhKfyU4jRgpnqGnO3hFv1iEXnnkGD6d2gPApvlnJLURkUm8 dLl2NE6MJ8Cg4GezxJtFZpDWb1USstqvhazYJiPr1oMuuZSH11CDWwBvAMTRG3NDv6 Na7/ohxO1KX9EvLOV8RussAJXzOeZHxjbRvAZ0dk= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from mail-wm1-x342.google.com (mail-wm1-x342.google.com [IPv6:2a00:1450:4864:20::342]) by sourceware.org (Postfix) with ESMTPS id BDC053854803 for ; Mon, 23 Nov 2020 20:35:13 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org BDC053854803 Received: by mail-wm1-x342.google.com with SMTP id x22so567996wmc.5 for ; Mon, 23 Nov 2020 12:35:13 -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=bC9Xwb1/XxVmdsfGziSMeZlvPwZj+jolzd/dm7uTUlc=; b=cT12qa50IWTfnz3AR7oMdF+x0Py5FTI+e5uWethuVFxps4UZFl0e6V6WOA/lPU9L7l WfHLouYLZ+Db6G6tg1JFDvYzXnAvgXVYsycngIOgWw6+1epku3C+TUhlZcHzlxjdQpGF PYITFXu92MYSDF/abefPCpFV/PmXsTUWJAg7oPs3cY0YEMaQWzoOJUjHZOHoHy7rGtzt R0R66d+etB13k/yvuohOAdL3JViF5ygEwJr51SzZ4xrmN5Ug+Q227INX6u+tC+fcANyC UusUh1zLvFyfcCwfm3BCK6vceUosegYCoqqCgp3zaUGX/6NmJa1XtOGivY38LjR2v+m/ cvBA== X-Gm-Message-State: AOAM531gklnw0dFjspCuDJ7LMtFrMeIU9I4D8phd3f2fY50p+Wyki8Vt F/oMVsMRL7GqGrklY1xFrro= X-Google-Smtp-Source: ABdhPJwooiUEBegF5xcGkpWf8RQbVJB670XGFbeN+pGN/iWhUo2GDcSHb1Rwh/eh0QI/brhmWbUKTw== X-Received: by 2002:a1c:6a0d:: with SMTP id f13mr675303wmc.172.1606163712822; Mon, 23 Nov 2020 12:35:12 -0800 (PST) Received: from localhost.localdomain ([170.253.51.130]) by smtp.gmail.com with ESMTPSA id j8sm21282828wrx.11.2020.11.23.12.35.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 Nov 2020 12:35:12 -0800 (PST) To: mtk.manpages@gmail.com Subject: [PATCH] restart_syscall.2: SYNOPSIS: Fix restart_syscall() return type Date: Mon, 23 Nov 2020 21:34:46 +0100 Message-Id: <20201123203445.5491-1-alx.manpages@gmail.com> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 X-Spam-Status: No, score=-13.4 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, linux-kernel@vger.kernel.org Errors-To: libc-alpha-bounces@sourceware.org Sender: "Libc-alpha" The Linux kernel uses 'long' instead of 'int' for the return type. As glibc provides no wrapper, use the same types the kernel uses. $ grep -rn 'SYSCALL_DEFINE.*(restart_syscall' kernel/signal.c:2891:SYSCALL_DEFINE0(restart_syscall) $ sed -n 2891,2895p kernel/signal.c SYSCALL_DEFINE0(restart_syscall) { struct restart_block *restart = ¤t->restart_block; return restart->fn(restart); } $ grep -rn 'struct restart_block {' include/linux/restart_block.h:25:struct restart_block { $ sed -n 25,56p include/linux/restart_block.h struct restart_block { long (*fn)(struct restart_block *); union { /* For futex_wait and futex_wait_requeue_pi */ struct { u32 __user *uaddr; u32 val; u32 flags; u32 bitset; u64 time; u32 __user *uaddr2; } futex; /* For nanosleep */ struct { clockid_t clockid; enum timespec_type type; union { struct __kernel_timespec __user *rmtp; struct old_timespec32 __user *compat_rmtp; }; u64 expires; } nanosleep; /* For poll */ struct { struct pollfd __user *ufds; int nfds; int has_timeout; unsigned long tv_sec; unsigned long tv_nsec; } poll; }; }; Signed-off-by: Alejandro Colomar --- man2/restart_syscall.2 | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/man2/restart_syscall.2 b/man2/restart_syscall.2 index e7d96bd4d..21cc2df1d 100644 --- a/man2/restart_syscall.2 +++ b/man2/restart_syscall.2 @@ -34,7 +34,7 @@ .SH NAME restart_syscall \- restart a system call after interruption by a stop signal .SH SYNOPSIS -.B int restart_syscall(void); +.B long restart_syscall(void); .PP .IR Note : There is no glibc wrapper for this system call; see NOTES.