diff options
Diffstat (limited to 'contrib/netbsd-tests/lib/libc/sys/t_sigaction.c')
| -rw-r--r-- | contrib/netbsd-tests/lib/libc/sys/t_sigaction.c | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/lib/libc/sys/t_sigaction.c b/contrib/netbsd-tests/lib/libc/sys/t_sigaction.c new file mode 100644 index 0000000..23ca36a --- /dev/null +++ b/contrib/netbsd-tests/lib/libc/sys/t_sigaction.c @@ -0,0 +1,165 @@ +/* $NetBSD: t_sigaction.c,v 1.3 2014/11/04 00:20:19 justin Exp $ */ + +/*- + * Copyright (c) 2010 The NetBSD Foundation, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__COPYRIGHT("@(#) Copyright (c) 2010\ + The NetBSD Foundation, inc. All rights reserved."); +__RCSID("$NetBSD: t_sigaction.c,v 1.3 2014/11/04 00:20:19 justin Exp $"); + +#include <sys/wait.h> + +#include <signal.h> +#include <stdbool.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include <atf-c.h> + +#ifdef __NetBSD__ +#include "../../../h_macros.h" +#else +#include "h_macros.h" +#endif + +static bool handler_called = false; + +static void +#ifdef __FreeBSD__ +handler(int signo __unused) +#else +handler(int signo) +#endif +{ + handler_called = true; +} + +static void +sa_resethand_child(const int flags) +{ + struct sigaction sa; + + sa.sa_flags = flags; + sa.sa_handler = &handler; + sigemptyset(&sa.sa_mask); + + sigaction(SIGUSR1, &sa, NULL); + kill(getpid(), SIGUSR1); + exit(handler_called ? EXIT_SUCCESS : EXIT_FAILURE); +} + +static void +wait_and_check_child(const pid_t pid, const char *fail_message) +{ + int status; + + (void)waitpid(pid, &status, 0); + + if (WIFEXITED(status)) + ATF_CHECK_EQ(EXIT_SUCCESS, WEXITSTATUS(status)); + else + atf_tc_fail("%s; raw exit status was %d", fail_message, status); +} + +static void +#ifdef __FreeBSD__ +catch(int sig __unused) +#else +catch(int sig) +#endif +{ + return; +} + +ATF_TC(sigaction_basic); +ATF_TC_HEAD(sigaction_basic, tc) +{ + + atf_tc_set_md_var(tc, "descr", "Checks for correct I&D cache" + "synchronization after copying out the trampoline code."); +} + +ATF_TC_BODY(sigaction_basic, tc) +{ + static struct sigaction sa; + + sa.sa_handler = catch; + + sigaction(SIGUSR1, &sa, 0); + kill(getpid(), SIGUSR1); + atf_tc_pass(); +} + +ATF_TC(sigaction_noflags); +ATF_TC_HEAD(sigaction_noflags, tc) +{ + atf_tc_set_md_var(tc, "descr", "Checks programming a signal with " + "sigaction(2) but without any flags"); +} + +ATF_TC_BODY(sigaction_noflags, tc) +{ + const pid_t pid = fork(); + if (pid == -1) + atf_tc_fail_errno("fork(2) failed"); + else if (pid == 0) + sa_resethand_child(0); + else + wait_and_check_child(pid, "Child process did not exit cleanly;" + " it failed to process the signal"); +} + +ATF_TC(sigaction_resethand); +ATF_TC_HEAD(sigaction_resethand, tc) +{ + atf_tc_set_md_var(tc, "descr", "Checks that SA_RESETHAND works"); +} + +ATF_TC_BODY(sigaction_resethand, tc) +{ + const pid_t pid = fork(); + if (pid == -1) + atf_tc_fail_errno("fork(2) failed"); + else if (pid == 0) + sa_resethand_child(SA_RESETHAND); + else { + wait_and_check_child(pid, "Child process did not exit cleanly;" + " it either failed to process the signal or SA_RESETHAND" + " is broken"); + } +} + +ATF_TP_ADD_TCS(tp) +{ + + ATF_TP_ADD_TC(tp, sigaction_basic); + ATF_TP_ADD_TC(tp, sigaction_noflags); + ATF_TP_ADD_TC(tp, sigaction_resethand); + + return atf_no_error(); +} |
