1*a325d9c4SApple OSS Distributions /*- 2*a325d9c4SApple OSS Distributions * Copyright (c) 2016 Jilles Tjoelker 3*a325d9c4SApple OSS Distributions * All rights reserved. 4*a325d9c4SApple OSS Distributions * 5*a325d9c4SApple OSS Distributions * Redistribution and use in source and binary forms, with or without 6*a325d9c4SApple OSS Distributions * modification, are permitted provided that the following conditions 7*a325d9c4SApple OSS Distributions * are met: 8*a325d9c4SApple OSS Distributions * 1. Redistributions of source code must retain the above copyright 9*a325d9c4SApple OSS Distributions * notice, this list of conditions and the following disclaimer. 10*a325d9c4SApple OSS Distributions * 2. Redistributions in binary form must reproduce the above copyright 11*a325d9c4SApple OSS Distributions * notice, this list of conditions and the following disclaimer in the 12*a325d9c4SApple OSS Distributions * documentation and/or other materials provided with the distribution. 13*a325d9c4SApple OSS Distributions * 14*a325d9c4SApple OSS Distributions * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15*a325d9c4SApple OSS Distributions * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16*a325d9c4SApple OSS Distributions * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17*a325d9c4SApple OSS Distributions * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18*a325d9c4SApple OSS Distributions * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19*a325d9c4SApple OSS Distributions * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20*a325d9c4SApple OSS Distributions * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21*a325d9c4SApple OSS Distributions * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22*a325d9c4SApple OSS Distributions * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23*a325d9c4SApple OSS Distributions * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24*a325d9c4SApple OSS Distributions * SUCH DAMAGE. 25*a325d9c4SApple OSS Distributions */ 26*a325d9c4SApple OSS Distributions 27*a325d9c4SApple OSS Distributions #include <sys/cdefs.h> 28*a325d9c4SApple OSS Distributions #include <sys/wait.h> 29*a325d9c4SApple OSS Distributions 30*a325d9c4SApple OSS Distributions #include <darwintest.h> 31*a325d9c4SApple OSS Distributions #include <signal.h> 32*a325d9c4SApple OSS Distributions #include <unistd.h> 33*a325d9c4SApple OSS Distributions 34*a325d9c4SApple OSS Distributions T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true)); 35*a325d9c4SApple OSS Distributions 36*a325d9c4SApple OSS Distributions T_DECL(waitpid_nohang, "FreeBSDarwin--waitpid_nohang") 37*a325d9c4SApple OSS Distributions { 38*a325d9c4SApple OSS Distributions pid_t child, pid; 39*a325d9c4SApple OSS Distributions int status, r; 40*a325d9c4SApple OSS Distributions siginfo_t siginfo; 41*a325d9c4SApple OSS Distributions 42*a325d9c4SApple OSS Distributions child = fork(); 43*a325d9c4SApple OSS Distributions T_ASSERT_POSIX_SUCCESS(child, "child forked successfully"); 44*a325d9c4SApple OSS Distributions if (child == 0) { 45*a325d9c4SApple OSS Distributions sleep(10); 46*a325d9c4SApple OSS Distributions _exit(1); 47*a325d9c4SApple OSS Distributions } 48*a325d9c4SApple OSS Distributions 49*a325d9c4SApple OSS Distributions status = 42; 50*a325d9c4SApple OSS Distributions pid = waitpid(child, &status, WNOHANG); 51*a325d9c4SApple OSS Distributions T_ASSERT_POSIX_ZERO(pid, "waitpid call is successful"); 52*a325d9c4SApple OSS Distributions T_EXPECT_EQ(status, 42, "status is unaffected as expected"); 53*a325d9c4SApple OSS Distributions 54*a325d9c4SApple OSS Distributions r = kill(child, SIGTERM); 55*a325d9c4SApple OSS Distributions T_ASSERT_POSIX_ZERO(r, "signal sent successfully"); 56*a325d9c4SApple OSS Distributions r = waitid(P_PID, (id_t)child, &siginfo, WEXITED | WNOWAIT); 57*a325d9c4SApple OSS Distributions T_ASSERT_POSIX_SUCCESS(r, "waitid call successful"); 58*a325d9c4SApple OSS Distributions 59*a325d9c4SApple OSS Distributions status = -1; 60*a325d9c4SApple OSS Distributions pid = waitpid(child, &status, WNOHANG); 61*a325d9c4SApple OSS Distributions T_ASSERT_EQ(pid, child, "waitpid returns correct pid"); 62*a325d9c4SApple OSS Distributions T_EXPECT_EQ(WIFSIGNALED(status), true, "child was signaled"); 63*a325d9c4SApple OSS Distributions T_EXPECT_EQ(WTERMSIG(status), SIGTERM, "child was sent SIGTERM"); 64*a325d9c4SApple OSS Distributions } 65