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authorStephan Krempel <krempel@par-tec.com>2013-01-25 02:48:46 +0000
committerPádraig Brady <P@draigBrady.com>2013-01-26 02:38:52 +0000
commitf8c0258d4643dbabc461a84d0b940be44a680a9b (patch)
treea693b5ef23d5314a2aa835f8aea213a828b16530 /tests/misc
parent2238ab574191d30b89a007b760c616efaf9c219c (diff)
downloadcoreutils-f8c0258d4643dbabc461a84d0b940be44a680a9b.tar.xz
timeout: ensure a blocked SIGALRM from the parent is unblocked
* src/timeout.c (unblock_signal): A new function to unblock a specified signal, or warn if not possible. (set_timeout): Ensure SIGALRM is unblocked before we setup the timer. * tests/misc/timeout-blocked.pl: A new test for the issue. * tests/local.mk: Reference the new test. * NEWS: Mention the fix. Fixes: http://bugs.gnu.org/13535
Diffstat (limited to 'tests/misc')
-rwxr-xr-xtests/misc/timeout-blocked.pl48
1 files changed, 48 insertions, 0 deletions
diff --git a/tests/misc/timeout-blocked.pl b/tests/misc/timeout-blocked.pl
new file mode 100755
index 000000000..6f16ba4c8
--- /dev/null
+++ b/tests/misc/timeout-blocked.pl
@@ -0,0 +1,48 @@
+#!/usr/bin/perl
+# Test that timeout handles blocked SIGALRM from its parent.
+
+# Copyright (C) 2013 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+use strict;
+
+(my $ME = $0) =~ s|.*/||;
+
+eval { require POSIX; };
+$@
+ and CuSkip::skip "$ME: this script requires Perl's POSIX module\n";
+
+use POSIX qw(:signal_h);
+my $sigset = POSIX::SigSet->new(SIGALRM); # define the signals to block
+my $old_sigset = POSIX::SigSet->new; # where the old sigmask will be kept
+unless (defined sigprocmask(SIG_BLOCK, $sigset, $old_sigset)) {
+ CuSkip::skip "$ME: sigprocmask failed; skipped";
+}
+
+my @Tests =
+ (
+ # test-name, [option, option, ...] {OUT=>"expected-output"}
+ #
+
+ ['block-alrm', ".1 sleep 10", {EXIT => 124}],
+ );
+
+my $save_temps = $ENV{DEBUG};
+my $verbose = $ENV{VERBOSE};
+
+my $prog = 'timeout';
+my $fail = run_tests ($ME, $prog, \@Tests, $save_temps, $verbose);
+
+exit $fail;