From owner-svn-src-stable@freebsd.org Wed Sep 18 19:28:18 2019 Return-Path: Delivered-To: svn-src-stable@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 7C0141254C7; Wed, 18 Sep 2019 19:28:18 +0000 (UTC) (envelope-from jilles@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 46YVPt2k8jz4frl; Wed, 18 Sep 2019 19:28:18 +0000 (UTC) (envelope-from jilles@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 3DCC118D6; Wed, 18 Sep 2019 19:28:18 +0000 (UTC) (envelope-from jilles@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x8IJSIju029667; Wed, 18 Sep 2019 19:28:18 GMT (envelope-from jilles@FreeBSD.org) Received: (from jilles@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x8IJSHkB029665; Wed, 18 Sep 2019 19:28:17 GMT (envelope-from jilles@FreeBSD.org) Message-Id: <201909181928.x8IJSHkB029665@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: jilles set sender to jilles@FreeBSD.org using -f From: Jilles Tjoelker Date: Wed, 18 Sep 2019 19:28:17 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r352492 - stable/11/usr.bin/procstat/tests X-SVN-Group: stable-11 X-SVN-Commit-Author: jilles X-SVN-Commit-Paths: stable/11/usr.bin/procstat/tests X-SVN-Commit-Revision: 352492 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 18 Sep 2019 19:28:18 -0000 Author: jilles Date: Wed Sep 18 19:28:17 2019 New Revision: 352492 URL: https://svnweb.freebsd.org/changeset/base/352492 Log: MFC r351819: procstat/tests: Fix flakiness by waiting for program to start Some of the procstat tests start a program "while1" and examine the process using procstat, but did not wait properly for it to start (kill -0 will succeed immediately after the child process has been created). Instead, have "while1" write something when it starts, and use a fifo to wait for that. PR: 233587, 233588 Modified: stable/11/usr.bin/procstat/tests/procstat_test.sh stable/11/usr.bin/procstat/tests/while1.c Directory Properties: stable/11/ (props changed) Modified: stable/11/usr.bin/procstat/tests/procstat_test.sh ============================================================================== --- stable/11/usr.bin/procstat/tests/procstat_test.sh Wed Sep 18 19:21:20 2019 (r352491) +++ stable/11/usr.bin/procstat/tests/procstat_test.sh Wed Sep 18 19:28:17 2019 (r352492) @@ -25,7 +25,6 @@ # $FreeBSD$ # -MAX_TRIES=20 PROG_PID= PROG_PATH=$(atf_get_srcdir)/while1 @@ -37,16 +36,13 @@ start_program() PROG_COMM=while1 PROG_PATH=$(atf_get_srcdir)/$PROG_COMM - $PROG_PATH $* & + mkfifo wait_for_start || atf_fail "mkfifo" + $PROG_PATH $* >wait_for_start & PROG_PID=$! - try=0 - while [ $try -lt $MAX_TRIES ] && ! kill -0 $PROG_PID; do - sleep 0.5 - : $(( try += 1 )) - done - if [ $try -ge $MAX_TRIES ]; then - atf_fail "Polled for program start $MAX_TRIES tries and failed" + if ! read dummy