From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0EA66C282C5 for ; Thu, 24 Jan 2019 19:54:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D2E2E21726 for ; Thu, 24 Jan 2019 19:54:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548359677; bh=89EZ9zCtPdtyXrqBEl7/uyxUmuhLAVPze64BAl48U5k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=CmM00elsRzQfHFRH2bb/a0GrGI5MB0rgOzjsdj7tiprpGDzY2fAQa9yJmXsF71Fpb 06ssg7JTSPBuRIj9Im38VEvjKUCkT4TYrSWsSchv0YEFdYlmScIxHLtnGRE3MCE4iB S5S/JlQ9uDLyaLTwRx6fL3qeYBLLEWhP+IFKDs0E= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732269AbfAXThZ (ORCPT ); Thu, 24 Jan 2019 14:37:25 -0500 Received: from mail.kernel.org ([198.145.29.99]:37360 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732082AbfAXThV (ORCPT ); Thu, 24 Jan 2019 14:37:21 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C045C218FC; Thu, 24 Jan 2019 19:37:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548358641; bh=89EZ9zCtPdtyXrqBEl7/uyxUmuhLAVPze64BAl48U5k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=yg3uQxQ+aSUpcv5B4SmiTIW3AUzAz+1N7d6N2AAdsGtbnp7bBQXQEXdTUROO2ASAY ZOsdeSdqsJyrA6pTzilg6hwYwT4ktbF3RTLCpEjw7INULJpdY1TlAyRnbQyJg8+KPk /DohWtyj/hswFcfmlQuWGrJ7ikd+Lv6z5C21zINI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Adrian Hunter , Jiri Olsa , Namhyung Kim , Arnaldo Carvalho de Melo , Sasha Levin Subject: [PATCH 4.19 080/106] perf tools: Add missing sigqueue() prototype for systems lacking it Date: Thu, 24 Jan 2019 20:20:37 +0100 Message-Id: <20190124190211.278503030@linuxfoundation.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190124190206.342411005@linuxfoundation.org> References: <20190124190206.342411005@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 4.19-stable review patch. If anyone has any objections, please let me know. ------------------ [ Upstream commit 748fe0889c1ff12d378946bd5326e8ee8eacf5cf ] There are systems such as the Android NDK API level 24 has the sigqueue() function but doesn't provide a prototype, adding noise to the build: util/evlist.c: In function 'perf_evlist__prepare_workload': util/evlist.c:1494:4: warning: implicit declaration of function 'sigqueue' [-Wimplicit-function-declaration] if (sigqueue(getppid(), SIGUSR1, val)) ^ util/evlist.c:1494:4: warning: nested extern declaration of 'sigqueue' [-Wnested-externs] Define a LACKS_SIGQUEUE_PROTOTYPE define so that code needing that can get a prototype. Checked in the bionic git repo to be available since level 23: https://android.googlesource.com/platform/bionic/+/master/libc/include/signal.h#123 int sigqueue(pid_t __pid, int __signal, const union sigval __value) __INTRODUCED_IN(23); Cc: Adrian Hunter Cc: Jiri Olsa Cc: Namhyung Kim Link: https://lkml.kernel.org/n/tip-lmhpev1uni9kdrv7j29glyov@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Sasha Levin --- tools/perf/Makefile.config | 1 + tools/perf/util/evlist.c | 4 ++++ 2 files changed, 5 insertions(+) diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index e30d20fb482d..ff7a753cc487 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -294,6 +294,7 @@ ifndef NO_BIONIC $(call feature_check,bionic) ifeq ($(feature-bionic), 1) BIONIC := 1 + CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE EXTLIBS := $(filter-out -lrt,$(EXTLIBS)) EXTLIBS := $(filter-out -lpthread,$(EXTLIBS)) endif diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index be440df29615..819aa4491b53 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -34,6 +34,10 @@ #include #include +#ifdef LACKS_SIGQUEUE_PROTOTYPE +int sigqueue(pid_t pid, int sig, const union sigval value); +#endif + #define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y)) #define SID(e, x, y) xyarray__entry(e->sample_id, x, y) -- 2.19.1