3 # Copyright (c) 2010 Your File System Inc. All rights reserved.
5 # Redistribution and use in source and binary forms, with or without
6 # modification, are permitted provided that the following conditions
8 # 1. Redistributions of source code must retain the above copyright
9 # notice, this list of conditions and the following disclaimer.
10 # 2. Redistributions in binary form must reproduce the above copyright
11 # notice, this list of conditions and the following disclaimer in the
12 # documentation and/or other materials provided with the distribution.
14 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR
15 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 use lib $ENV{C_TAP_SOURCE} . "/tests-lib/perl5";
29 use afstest qw(obj_path);
30 use Test::More tests => 11;
32 use POSIX qw(:signal_h);
36 # Start up our test process, and send it various signals. Check that these
37 # signals make it to it correctly, and are reported on the command line.
39 my $softsig_helper = obj_path("tests/opr/softsig-helper");
41 # This -dummy argument prevents Perl from putting an intermediate sh
42 # -c between us and softsig-helper in the case where the build
43 # directory happens to contain shell metacharacters, like the ~ in
44 # /build/openafs-vb8tid/openafs-1.8.0~pre1 used by the Debian
46 my $pid = open(HELPER, "-|", $softsig_helper, "-dummy")
47 or die "Couldn't start test helper.";
49 # Wait for softsig to start up.
50 is(<HELPER>, "Ready\n");
52 # Check that a load of common signals are correctly trapped.
55 is(<HELPER>, "Received INT\n");
58 is(<HELPER>, "Received HUP\n");
61 is(<HELPER>, "Received QUIT\n");
64 is(<HELPER>, "Received ALRM\n");
67 is(<HELPER>, "Received TERM\n");
70 is(<HELPER>, "Received USR1\n");
73 is(<HELPER>, "Received USR2\n");
76 # Check that we can actually stop the process with a kill.
80 is($?, SIGKILL, "Helper exited on KILL signal.");
82 # Check that an internal segmentation fault kills the process.
84 $pid = open(HELPER, "-|", $softsig_helper, "-crash")
85 or die "Couldn't start test helper.";
87 is($? & 0x7f, SIGSEGV, "Helper exited on SEGV signal.");
89 # Check that an internal bus error kills the process.
90 # Skip this test when running on ancient versions of Perl
91 # which do not have SIGBUS defined.
93 my $sigbus = eval "SIGBUS";
94 skip("Skipping buserror test; SIGBUS constant is not defined.", 1) unless $sigbus;
95 skip("Skipping buserror test; test unreliable on FreeBSD.", 1) if ($^O eq 'freebsd');
97 my ($fh, $path) = mkstemp("/tmp/softsig-t_XXXXXX");
98 $pid = open(HELPER, "-|", $softsig_helper, "-buserror", $path)
99 or die "Couldn't start test helper.";
101 is($? & 0x7f, $sigbus, "Helper exited on BUS signal.");