[src/trunk]: src/tests/lib/libc/gen Skip sigbus_adraln testcase on alpha unle...

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

details:   https://anonhg.NetBSD.org/src/rev/2e6df238baa3
branches:  trunk
changeset: 779714:2e6df238baa3
user:      njoly <njoly%NetBSD.org@localhost>
date:      Wed Jun 13 11:45:17 2012 +0000

description:
Skip sigbus_adraln testcase on alpha unless global
machdep.unaligned_sigbus sysctl is enabled.

diffstat:

 tests/lib/libc/gen/t_siginfo.c |  19 ++++++++++++++++---
 1 files changed, 16 insertions(+), 3 deletions(-)

diffs (49 lines):

diff -r baea89de9be3 -r 2e6df238baa3 tests/lib/libc/gen/t_siginfo.c
--- a/tests/lib/libc/gen/t_siginfo.c    Wed Jun 13 07:35:37 2012 +0000
+++ b/tests/lib/libc/gen/t_siginfo.c    Wed Jun 13 11:45:17 2012 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: t_siginfo.c,v 1.17 2012/04/23 15:07:56 martin Exp $ */
+/* $NetBSD: t_siginfo.c,v 1.18 2012/06/13 11:45:17 njoly Exp $ */
 
 /*-
  * Copyright (c) 2010 The NetBSD Foundation, Inc.
@@ -31,6 +31,7 @@
 
 #include <sys/inttypes.h>
 #include <sys/resource.h>
+#include <sys/sysctl.h>
 #include <sys/time.h>
 #include <sys/ucontext.h>
 #include <sys/wait.h>
@@ -441,8 +442,21 @@
 
 ATF_TC_BODY(sigbus_adraln, tc)
 {
+       const char *arch = atf_config_get("atf_arch");
        struct sigaction sa;
 
+       if (strcmp(arch, "alpha") == 0) {
+               int rv, val;
+               size_t len = sizeof(val);
+               rv = sysctlbyname("machdep.unaligned_sigbus", &val, &len,
+                       NULL, 0);
+               ATF_REQUIRE(rv == 0);
+               if (val == 0)
+                       atf_tc_skip("SIGBUS signal not enabled for"
+                                   " unaligned accesses");
+
+       }
+
        sa.sa_flags = SA_SIGINFO;
        sa.sa_sigaction = sigbus_action;
        sigemptyset(&sa.sa_mask);
@@ -458,8 +472,7 @@
        addr = calloc(2, sizeof(int));
        ATF_REQUIRE(addr != NULL);
 
-       if (strcmp(atf_config_get("atf_arch"), "i386") == 0 ||
-           strcmp(atf_config_get("atf_arch"), "x86_64") == 0) {
+       if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
                if (system("cpuctl identify 0 | grep -q QEMU") == 0) {
                        atf_tc_expect_fail("QEMU fails to trap unaligned "
                            "accesses");