From ff5f832ddec9588a5d3fee3a079e9c5b42ad5907 Mon Sep 17 00:00:00 2001 From: Justus Winter <4winter@informatik.uni-hamburg.de> Date: Mon, 24 Sep 2012 17:21:16 +0200 Subject: [PATCH] [PATCH 2/6] Provide a NORETURN_ATTRIBUTE macro similar to PRINTF_ATTRIBUTE --- 73/630bcc27201d01744069e670186ea0a2013ca9 | 99 +++++++++++++++++++++++ 1 file changed, 99 insertions(+) create mode 100644 73/630bcc27201d01744069e670186ea0a2013ca9 diff --git a/73/630bcc27201d01744069e670186ea0a2013ca9 b/73/630bcc27201d01744069e670186ea0a2013ca9 new file mode 100644 index 000000000..565759adb --- /dev/null +++ b/73/630bcc27201d01744069e670186ea0a2013ca9 @@ -0,0 +1,99 @@ +Return-Path: +X-Original-To: notmuch@notmuchmail.org +Delivered-To: notmuch@notmuchmail.org +Received: from localhost (localhost [127.0.0.1]) + by olra.theworths.org (Postfix) with ESMTP id C9A02431FC4 + for ; Mon, 24 Sep 2012 08:21:48 -0700 (PDT) +X-Virus-Scanned: Debian amavisd-new at olra.theworths.org +X-Spam-Flag: NO +X-Spam-Score: 0 +X-Spam-Level: +X-Spam-Status: No, score=0 tagged_above=-999 required=5 tests=[none] + autolearn=disabled +Received: from olra.theworths.org ([127.0.0.1]) + by localhost (olra.theworths.org [127.0.0.1]) (amavisd-new, port 10024) + with ESMTP id fwDf96vNBFwC for ; + Mon, 24 Sep 2012 08:21:48 -0700 (PDT) +Received: from mail.cryptobitch.de (cryptobitch.de [88.198.7.68]) + (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) + (No client certificate requested) + by olra.theworths.org (Postfix) with ESMTPS id BAA32431FDC + for ; Mon, 24 Sep 2012 08:21:46 -0700 (PDT) +Received: from mail.jade-hamburg.de (mail.jade-hamburg.de [85.183.11.228]) + (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) + (No client certificate requested) + by mail.cryptobitch.de (Postfix) with ESMTPSA id 77AEA5AB283 + for ; Mon, 24 Sep 2012 17:21:45 +0200 (CEST) +Received: by mail.jade-hamburg.de (Postfix, from userid 401) + id E706ADF2A3; Mon, 24 Sep 2012 17:21:44 +0200 (CEST) +Received: from thinkbox.jade-hamburg.de (mail.jade-hamburg.de [85.183.11.228]) + (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) + (No client certificate requested) (Authenticated sender: teythoon) + by mail.jade-hamburg.de (Postfix) with ESMTPSA id 1C484DF2A5; + Mon, 24 Sep 2012 17:21:32 +0200 (CEST) +Received: from teythoon by thinkbox.jade-hamburg.de with local (Exim 4.80) + (envelope-from ) + id 1TGATQ-0007l6-SN; Mon, 24 Sep 2012 17:21:28 +0200 +From: Justus Winter <4winter@informatik.uni-hamburg.de> +To: notmuch@notmuchmail.org +Subject: [PATCH 2/6] Provide a NORETURN_ATTRIBUTE macro similar to + PRINTF_ATTRIBUTE +Date: Mon, 24 Sep 2012 17:21:16 +0200 +Message-Id: + <1348500080-29726-2-git-send-email-4winter@informatik.uni-hamburg.de> +X-Mailer: git-send-email 1.7.10.4 +In-Reply-To: + <1348500080-29726-1-git-send-email-4winter@informatik.uni-hamburg.de> +References: <873927eb5i.fsf@convex-new.cs.unb.ca> + <1348500080-29726-1-git-send-email-4winter@informatik.uni-hamburg.de> +X-BeenThere: notmuch@notmuchmail.org +X-Mailman-Version: 2.1.13 +Precedence: list +List-Id: "Use and development of the notmuch mail system." + +List-Unsubscribe: , + +List-Archive: +List-Post: +List-Help: +List-Subscribe: , + +X-List-Received-Date: Mon, 24 Sep 2012 15:21:49 -0000 + +This attribute is understood by gcc since version 2.5. clang provides +support for testing for function attributes using __has_attribute. For +other compilers this macro evaluates to the empty string. + +Signed-off-by: Justus Winter <4winter@informatik.uni-hamburg.de> +--- + compat/function-attributes.h | 16 ++++++++++++++++ + 1 file changed, 16 insertions(+) + +diff --git a/compat/function-attributes.h b/compat/function-attributes.h +index 18f9090..8450a17 100644 +--- a/compat/function-attributes.h ++++ b/compat/function-attributes.h +@@ -28,4 +28,20 @@ + #define __has_attribute(x) 0 + #endif + ++/* Provide a NORETURN_ATTRIBUTE macro similar to PRINTF_ATTRIBUTE from ++ * talloc. ++ * ++ * This attribute is understood by gcc since version 2.5. clang ++ * provides support for testing for function attributes. ++ */ ++#ifndef NORETURN_ATTRIBUTE ++#if (__GNUC__ >= 3 || \ ++ (__GNUC__ == 2 && __GNUC_MINOR__ >= 5) || \ ++ __has_attribute (noreturn)) ++#define NORETURN_ATTRIBUTE __attribute__ ((noreturn)) ++#else ++#define NORETURN_ATTRIBUTE ++#endif ++#endif ++ + #endif +-- +1.7.10.4 + -- 2.26.2