b8f715c74f
If wait4() or wait6() return 0 because of WNOHANG, the status, rusage and wrusage information should not be returned. PR: 212048 Reported by: Casey Lucas MFC after: 2 weeks
71 lines
2.1 KiB
C
71 lines
2.1 KiB
C
/*-
|
|
* Copyright (c) 2016 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(waitpid_nohang);
|
|
ATF_TC_BODY(waitpid_nohang, tc)
|
|
{
|
|
pid_t child, pid;
|
|
int status, r;
|
|
|
|
child = fork();
|
|
ATF_REQUIRE(child != -1);
|
|
if (child == 0) {
|
|
sleep(10);
|
|
_exit(1);
|
|
}
|
|
|
|
status = 42;
|
|
pid = waitpid(child, &status, WNOHANG);
|
|
ATF_REQUIRE(pid == 0);
|
|
ATF_CHECK(status == 42);
|
|
|
|
r = kill(child, SIGTERM);
|
|
ATF_REQUIRE(r == 0);
|
|
r = waitid(P_PID, child, NULL, WEXITED | WNOWAIT);
|
|
ATF_REQUIRE(r == 0);
|
|
|
|
status = -1;
|
|
pid = waitpid(child, &status, WNOHANG);
|
|
ATF_REQUIRE(pid == child);
|
|
ATF_CHECK(WIFSIGNALED(status) && WTERMSIG(status) == SIGTERM);
|
|
}
|
|
|
|
ATF_TP_ADD_TCS(tp)
|
|
{
|
|
|
|
ATF_TP_ADD_TC(tp, waitpid_nohang);
|
|
return (atf_no_error());
|
|
}
|