From owner-svn-src-all@freebsd.org Mon Dec 26 17:26:26 2016 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id AD2A6C92C50; Mon, 26 Dec 2016 17:26:26 +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 mx1.freebsd.org (Postfix) with ESMTPS id 6DBA11612; Mon, 26 Dec 2016 17:26:26 +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 uBQHQPVr017603; Mon, 26 Dec 2016 17:26:25 GMT (envelope-from jilles@FreeBSD.org) Received: (from jilles@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id uBQHQPbp017602; Mon, 26 Dec 2016 17:26:25 GMT (envelope-from jilles@FreeBSD.org) Message-Id: <201612261726.uBQHQPbp017602@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: jilles set sender to jilles@FreeBSD.org using -f From: Jilles Tjoelker Date: Mon, 26 Dec 2016 17:26:25 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r310610 - stable/10/tests/sys/kern X-SVN-Group: stable-10 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 26 Dec 2016 17:26:26 -0000 Author: jilles Date: Mon Dec 26 17:26:25 2016 New Revision: 310610 URL: https://svnweb.freebsd.org/changeset/base/310610 Log: MFC r309957: Add tests for reaper receiving SIGCHLD (r309886). PR: 213928 Modified: stable/10/tests/sys/kern/reaper.c Directory Properties: stable/10/ (props changed) Modified: stable/10/tests/sys/kern/reaper.c ============================================================================== --- stable/10/tests/sys/kern/reaper.c Mon Dec 26 17:23:09 2016 (r310609) +++ stable/10/tests/sys/kern/reaper.c Mon Dec 26 17:26:25 2016 (r310610) @@ -35,6 +35,11 @@ __FBSDID("$FreeBSD$"); #include #include +static void +dummy_sighandler(int sig __unused, siginfo_t *info __unused, void *ctx __unused) +{ +} + ATF_TC_WITHOUT_HEAD(reaper_wait_child_first); ATF_TC_BODY(reaper_wait_child_first, tc) { @@ -129,6 +134,161 @@ ATF_TC_BODY(reaper_wait_grandchild_first ATF_CHECK_EQ(2, r); } +ATF_TC(reaper_sigchld_child_first); +ATF_TC_HEAD(reaper_sigchld_child_first, tc) +{ + atf_tc_set_md_var(tc, "timeout", "2"); +} +ATF_TC_BODY(reaper_sigchld_child_first, tc) +{ + struct sigaction act; + sigset_t mask; + siginfo_t info; + pid_t parent, child, grandchild, pid; + int r; + int pip[2]; + + /* Be paranoid. */ + pid = waitpid(-1, NULL, WNOHANG); + ATF_REQUIRE(pid == -1 && errno == ECHILD); + + act.sa_sigaction = dummy_sighandler; + act.sa_flags = SA_SIGINFO | SA_RESTART; + r = sigemptyset(&act.sa_mask); + ATF_REQUIRE_EQ(0, r); + r = sigaction(SIGCHLD, &act, NULL); + ATF_REQUIRE_EQ(0, r); + + r = sigemptyset(&mask); + ATF_REQUIRE_EQ(0, r); + r = sigaddset(&mask, SIGCHLD); + ATF_REQUIRE_EQ(0, r); + r = sigprocmask(SIG_BLOCK, &mask, NULL); + ATF_REQUIRE_EQ(0, r); + + parent = getpid(); + r = procctl(P_PID, parent, PROC_REAP_ACQUIRE, NULL); + ATF_REQUIRE_EQ(0, r); + + r = pipe(pip); + ATF_REQUIRE_EQ(0, r); + + child = fork(); + ATF_REQUIRE(child != -1); + if (child == 0) { + if (close(pip[1]) != 0) + _exit(100); + grandchild = fork(); + if (grandchild == -1) + _exit(101); + else if (grandchild == 0) { + if (read(pip[0], &(uint8_t){ 0 }, 1) != 0) + _exit(102); + if (getppid() != parent) + _exit(103); + _exit(2); + } else + _exit(3); + } + + r = sigwaitinfo(&mask, &info); + ATF_REQUIRE_EQ(SIGCHLD, r); + ATF_CHECK_EQ(SIGCHLD, info.si_signo); + ATF_CHECK_EQ(CLD_EXITED, info.si_code); + ATF_CHECK_EQ(3, info.si_status); + ATF_CHECK_EQ(child, info.si_pid); + + pid = waitpid(child, NULL, 0); + ATF_REQUIRE_EQ(child, pid); + + r = close(pip[1]); + ATF_REQUIRE_EQ(0, r); + + r = sigwaitinfo(&mask, &info); + ATF_REQUIRE_EQ(SIGCHLD, r); + ATF_CHECK_EQ(SIGCHLD, info.si_signo); + ATF_CHECK_EQ(CLD_EXITED, info.si_code); + ATF_CHECK_EQ(2, info.si_status); + grandchild = info.si_pid; + ATF_REQUIRE(grandchild > 0); + ATF_REQUIRE(grandchild != parent); + ATF_REQUIRE(grandchild != child); + + pid = waitpid(-1, NULL, 0); + ATF_REQUIRE_EQ(grandchild, pid); + + r = close(pip[0]); + ATF_REQUIRE_EQ(0, r); +} + +ATF_TC(reaper_sigchld_grandchild_first); +ATF_TC_HEAD(reaper_sigchld_grandchild_first, tc) +{ + atf_tc_set_md_var(tc, "timeout", "2"); +} +ATF_TC_BODY(reaper_sigchld_grandchild_first, tc) +{ + struct sigaction act; + sigset_t mask; + siginfo_t info; + pid_t parent, child, grandchild, pid; + int r; + + /* Be paranoid. */ + pid = waitpid(-1, NULL, WNOHANG); + ATF_REQUIRE(pid == -1 && errno == ECHILD); + + act.sa_sigaction = dummy_sighandler; + act.sa_flags = SA_SIGINFO | SA_RESTART; + r = sigemptyset(&act.sa_mask); + ATF_REQUIRE_EQ(0, r); + r = sigaction(SIGCHLD, &act, NULL); + ATF_REQUIRE_EQ(0, r); + + r = sigemptyset(&mask); + ATF_REQUIRE_EQ(0, r); + r = sigaddset(&mask, SIGCHLD); + ATF_REQUIRE_EQ(0, r); + r = sigprocmask(SIG_BLOCK, &mask, NULL); + ATF_REQUIRE_EQ(0, r); + + parent = getpid(); + r = procctl(P_PID, parent, PROC_REAP_ACQUIRE, NULL); + ATF_REQUIRE_EQ(0, r); + + child = fork(); + ATF_REQUIRE(child != -1); + if (child == 0) { + grandchild = fork(); + if (grandchild == -1) + _exit(101); + else if (grandchild == 0) + _exit(2); + else { + if (waitid(P_PID, grandchild, NULL, + WNOWAIT | WEXITED) != 0) + _exit(102); + _exit(3); + } + } + + pid = waitpid(child, NULL, 0); + ATF_REQUIRE_EQ(child, pid); + + r = sigwaitinfo(&mask, &info); + ATF_REQUIRE_EQ(SIGCHLD, r); + ATF_CHECK_EQ(SIGCHLD, info.si_signo); + ATF_CHECK_EQ(CLD_EXITED, info.si_code); + ATF_CHECK_EQ(2, info.si_status); + grandchild = info.si_pid; + ATF_REQUIRE(grandchild > 0); + ATF_REQUIRE(grandchild != parent); + ATF_REQUIRE(grandchild != child); + + pid = waitpid(-1, NULL, 0); + ATF_REQUIRE_EQ(grandchild, pid); +} + ATF_TC_WITHOUT_HEAD(reaper_status); ATF_TC_BODY(reaper_status, tc) { @@ -484,6 +644,8 @@ ATF_TP_ADD_TCS(tp) ATF_TP_ADD_TC(tp, reaper_wait_child_first); ATF_TP_ADD_TC(tp, reaper_wait_grandchild_first); + ATF_TP_ADD_TC(tp, reaper_sigchld_child_first); + ATF_TP_ADD_TC(tp, reaper_sigchld_grandchild_first); ATF_TP_ADD_TC(tp, reaper_status); ATF_TP_ADD_TC(tp, reaper_getpids); ATF_TP_ADD_TC(tp, reaper_kill_badsig);