/*-
* 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>
#include <sys/wait.h>
#include <darwintest.h>
#include <signal.h>
#include <unistd.h>
T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true));
T_DECL(waitpid_nohang, "FreeBSDarwin--waitpid_nohang", T_META_TAG_VM_PREFERRED)
{
pid_t child, pid;
int status, r;
siginfo_t siginfo;
child = fork();
T_ASSERT_POSIX_SUCCESS(child, "child forked successfully");
if (child == 0) {
sleep(10);
_exit(1);
}
status = 42;
pid = waitpid(child, &status, WNOHANG);
T_ASSERT_POSIX_ZERO(pid, "waitpid call is successful");
T_EXPECT_EQ(status, 42, "status is unaffected as expected");
r = kill(child, SIGTERM);
T_ASSERT_POSIX_ZERO(r, "signal sent successfully");
r = waitid(P_PID, (id_t)child, &siginfo, WEXITED | WNOWAIT);
T_ASSERT_POSIX_SUCCESS(r, "waitid call successful");
status = -1;
pid = waitpid(child, &status, WNOHANG);
T_ASSERT_EQ(pid, child, "waitpid returns correct pid");
T_EXPECT_EQ(WIFSIGNALED(status), true, "child was signaled");
T_EXPECT_EQ(WTERMSIG(status), SIGTERM, "child was sent SIGTERM");
}