From patchwork Fri Apr 28 12:21:33 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frederic Berat X-Patchwork-Id: 68476 X-Patchwork-Delegate: siddhesh@gotplt.org 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 EE1BE3852757 for ; Fri, 28 Apr 2023 12:37:30 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org EE1BE3852757 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1682685451; bh=U4wl2yuFKJhOE7UFYcF5kGoFuHKKKxJ/LYFjeXORZz8=; h=To:Cc:Subject:Date:In-Reply-To:References:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From:Reply-To:From; b=Cy2AeWaiBJCuQpU9nQUBMFd1XYqbaVL3k2YA8ptOnxcg8KPl0AyxuZOxnrA7mhO4w 0onDbuwftTwrZPYjpO5LBlP+FCXKRtZFFBzJiLqvPBJXv+BPt2ku6cMJWz3wLzVQ5/ I/dR/gJRFHcttB8skOw/3D4DrbdjwXloJzBqiOLY= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by sourceware.org (Postfix) with ESMTPS id 363FF3858425 for ; Fri, 28 Apr 2023 12:35:28 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 363FF3858425 Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-393-U24UPfiUNYmdW82hlxvIGQ-1; Fri, 28 Apr 2023 08:35:26 -0400 X-MC-Unique: U24UPfiUNYmdW82hlxvIGQ-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 800CD887400; Fri, 28 Apr 2023 12:35:26 +0000 (UTC) Received: from Nymeria-redhat.redhat.com (unknown [10.39.193.84]) by smtp.corp.redhat.com (Postfix) with ESMTPS id D4AFFC15BA0; Fri, 28 Apr 2023 12:35:25 +0000 (UTC) To: libc-alpha@sourceware.org Cc: siddhesh@gotplt.org, fberat@redhat.com Subject: [PATCH v4 06/15] sysdeps/pthread/eintr.c: fix warn unused result Date: Fri, 28 Apr 2023 14:21:33 +0200 Message-Id: <20230428122142.928135-7-fberat@redhat.com> In-Reply-To: <20230418121130.844302-9-fberat@redhat.com> References: <20230428122142.928135-1-fberat@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.8 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-Spam-Status: No, score=-12.1 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, SPF_NONE, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) 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: =?utf-8?q?Fr=C3=A9d=C3=A9ric_B=C3=A9rat_via_Libc-alpha?= From: Frederic Berat Reply-To: =?utf-8?b?RnLDqWTDqXJpYyBCw6lyYXQ=?= Errors-To: libc-alpha-bounces+patchwork=sourceware.org@sourceware.org Sender: "Libc-alpha" Fix unused result warnings, detected when _FORTIFY_SOURCE is enabled in glibc. Reviewed-by: Siddhesh Poyarekar --- sysdeps/pthread/eintr.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/sysdeps/pthread/eintr.c b/sysdeps/pthread/eintr.c index 000649d24e..16191395a7 100644 --- a/sysdeps/pthread/eintr.c +++ b/sysdeps/pthread/eintr.c @@ -31,10 +31,12 @@ eintr_handler (int sig) { if (sig != the_sig) { - write (STDOUT_FILENO, "eintr_handler: signal number wrong\n", 35); + /* empty if statement avoids warn unused result */ + if (write (STDOUT_FILENO, + "eintr_handler: signal number wrong\n", 35) < 35) {}; _exit (1); } - write (STDOUT_FILENO, ".", 1); + if (write (STDOUT_FILENO, ".", 1)) {/* Avoid warn unused result */}; }