[src/trunk]: src/tests/kernel Add new ATF test: t_trapsignal:trap_ignore

[kamil <kamil%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/f6849284288b
branches:  trunk
changeset: 322871:f6849284288b
user:      kamil <kamil%NetBSD.org@localhost>
date:      Mon May 21 08:49:03 2018 +0000

description:
Add new ATF test: t_trapsignal:trap_ignore

Test ignored trap with right exit code.

This test passes.

Sponsored by <The NetBSD Foundation>

diffstat:

 tests/kernel/h_segv.c        |  16 ++++++++++++++--
 tests/kernel/t_trapsignal.sh |  15 ++++++++++++++-
 2 files changed, 28 insertions(+), 3 deletions(-)

diffs (84 lines):

diff -r f1eada47098a -r f6849284288b tests/kernel/h_segv.c
--- a/tests/kernel/h_segv.c     Mon May 21 03:56:21 2018 +0000
+++ b/tests/kernel/h_segv.c     Mon May 21 08:49:03 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: h_segv.c,v 1.2 2017/12/08 14:40:45 christos Exp $      */
+/*     $NetBSD: h_segv.c,v 1.3 2018/05/21 08:49:03 kamil Exp $ */
 
 /*-
  * Copyright (c) 2017 The NetBSD Foundation, Inc.
@@ -29,7 +29,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: h_segv.c,v 1.2 2017/12/08 14:40:45 christos Exp $");
+__RCSID("$NetBSD: h_segv.c,v 1.3 2018/05/21 08:49:03 kamil Exp $");
 
 #include <stdio.h>
 #include <string.h>
@@ -45,6 +45,7 @@
 #define F_RECURSE      1
 #define F_HANDLE       2
 #define F_MASK         4
+#define F_IGNORE       8
 
 static struct {
        const char *n;
@@ -53,6 +54,7 @@
        { "recurse",    F_RECURSE },
        { "handle",     F_HANDLE },
        { "mask",       F_MASK },
+       { "ignore",     F_IGNORE }
 };
 
 static void
@@ -112,6 +114,16 @@
                        err(EXIT_FAILURE, "sigprocmask");
        }
 
+       if (flags & F_IGNORE) {
+               struct sigaction sa;
+
+               memset(&sa, 0, sizeof(sa));
+               sa.sa_handler = SIG_IGN;
+               sigemptyset(&sa.sa_mask);
+               if (sigaction(SIGSEGV, &sa, NULL) == -1)
+                       err(EXIT_FAILURE, "sigaction");
+       }
+
         *p = 1;
        return EXIT_SUCCESS;
 }
diff -r f1eada47098a -r f6849284288b tests/kernel/t_trapsignal.sh
--- a/tests/kernel/t_trapsignal.sh      Mon May 21 03:56:21 2018 +0000
+++ b/tests/kernel/t_trapsignal.sh      Mon May 21 08:49:03 2018 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: t_trapsignal.sh,v 1.1 2017/12/07 19:46:40 christos Exp $
+# $NetBSD: t_trapsignal.sh,v 1.2 2018/05/21 08:49:03 kamil Exp $
 #
 # Copyright (c) 2017 The NetBSD Foundation, Inc.
 # All rights reserved.
@@ -85,10 +85,23 @@
                ${HELPER} handle recurse
 }
 
+atf_test_case trap_ignore
+trap_ignore()
+{
+       atf_set "descr" "Test ignored trap with right exit code"
+}
+
+trap_ignore_body()
+{
+       atf_check -s signal:11 -o "inline:" -e "inline:" \
+               ${HELPER} ignore
+}
+
 atf_init_test_cases()
 {
        atf_add_test_case trap_simple
        atf_add_test_case trap_handle
        atf_add_test_case trap_mask
        atf_add_test_case trap_handle_recurse
+       atf_add_test_case trap_ignore
 }