NetBSD/tests/usr.bin/pkill/t_pgrep.sh

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# $NetBSD: t_pgrep.sh,v 1.2 2017/02/21 21:22:45 kre Exp $
#
# Copyright (c) 2016 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.
#
atf_test_case pr50934
basic_shift_test_head() {
atf_set "descr" "Test fix for PR bin/50934 (null argv[0])"
}
pr50934_body() {
atf_require_prog pgrep
atf_require_prog cc
cat > t.c <<'!'
#include <stdlib.h>
#include <unistd.h>
int
main(int argc, char **argv)
{
sleep(2);
argv[0] = 0;
pause();
exit(0);
}
!
cc -o t0123456789abcdefg-beef t.c || atf_fail "t.c compile failed"
./t0123456789abcdefg-beef &
PID=$!
pgrep -l t0123456 >OUT ; # should find the process
pgrep -l beef >>OUT ; # should find the process
sleep 5 ; # allow time for sleep in t.c and argv[0]=0
pgrep -l t0123456 >>OUT ; # should find the process
pgrep -l beef >>OUT ; # should find nothing
kill -9 $PID
cat OUT ; # just for the log
# note that pgrep -l only ever prints p_comm which is of limited sicze
atf_check_equal "$(cat OUT)" \
"$PID t0123456789abcde $PID t0123456789abcde $PID t0123456789abcde"
return 0
}
atf_init_test_cases() {
atf_add_test_case pr50934
}