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Add a test for kill() on a zombie

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This commit is contained in:
Jilles Tjoelker 2019-08-06 21:17:22 +00:00
parent 82bac68cdc
commit cb71f1fa01
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=350658
2 changed files with 66 additions and 0 deletions
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1
tests/sys/kern/Makefile
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@ -8,6 +8,7 @@ TESTSDIR= ${TESTSBASE}/sys/kern
#ATF_TESTS_C+= kcov
ATF_TESTS_C+= kern_copyin
ATF_TESTS_C+= kern_descrip_test
ATF_TESTS_C+= kill_zombie
ATF_TESTS_C+= ptrace_test
TEST_METADATA.ptrace_test+= timeout="15"
ATF_TESTS_C+= reaper

65
tests/sys/kern/kill_zombie.c Normal file
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@ -0,0 +1,65 @@
/*-
* Copyright (c) 2018 Jilles Tjoelker
* 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 AUTHOR 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 AUTHOR 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/wait.h>
#include <atf-c.h>
#include <signal.h>
#include <unistd.h>
ATF_TC_WITHOUT_HEAD(kill_zombie);
ATF_TC_BODY(kill_zombie, tc)
{
pid_t child, pid;
int status, r;
child = fork();
ATF_REQUIRE(child != -1);
if (child == 0) {
_exit(42);
}
r = waitid(P_PID, child, NULL, WEXITED | WNOWAIT);
ATF_REQUIRE(r == 0);
r = kill(child, SIGTERM);
ATF_CHECK(r == 0);
status = -1;
pid = waitpid(child, &status, 0);
ATF_REQUIRE(pid == child);
ATF_CHECK(WIFEXITED(status) && WEXITSTATUS(status) == 42);
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, kill_zombie);
return (atf_no_error());
}