1*fdd8201dSApple OSS Distributions /*- 2*fdd8201dSApple OSS Distributions * Copyright (c) 2016 Jilles Tjoelker 3*fdd8201dSApple OSS Distributions * All rights reserved. 4*fdd8201dSApple OSS Distributions * 5*fdd8201dSApple OSS Distributions * Redistribution and use in source and binary forms, with or without 6*fdd8201dSApple OSS Distributions * modification, are permitted provided that the following conditions 7*fdd8201dSApple OSS Distributions * are met: 8*fdd8201dSApple OSS Distributions * 1. Redistributions of source code must retain the above copyright 9*fdd8201dSApple OSS Distributions * notice, this list of conditions and the following disclaimer. 10*fdd8201dSApple OSS Distributions * 2. Redistributions in binary form must reproduce the above copyright 11*fdd8201dSApple OSS Distributions * notice, this list of conditions and the following disclaimer in the 12*fdd8201dSApple OSS Distributions * documentation and/or other materials provided with the distribution. 13*fdd8201dSApple OSS Distributions * 14*fdd8201dSApple OSS Distributions * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15*fdd8201dSApple OSS Distributions * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16*fdd8201dSApple OSS Distributions * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17*fdd8201dSApple OSS Distributions * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18*fdd8201dSApple OSS Distributions * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19*fdd8201dSApple OSS Distributions * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20*fdd8201dSApple OSS Distributions * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21*fdd8201dSApple OSS Distributions * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22*fdd8201dSApple OSS Distributions * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23*fdd8201dSApple OSS Distributions * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24*fdd8201dSApple OSS Distributions * SUCH DAMAGE. 25*fdd8201dSApple OSS Distributions */ 26*fdd8201dSApple OSS Distributions 27*fdd8201dSApple OSS Distributions #include <sys/cdefs.h> 28*fdd8201dSApple OSS Distributions #include <sys/wait.h> 29*fdd8201dSApple OSS Distributions 30*fdd8201dSApple OSS Distributions #include <darwintest.h> 31*fdd8201dSApple OSS Distributions #include <signal.h> 32*fdd8201dSApple OSS Distributions #include <unistd.h> 33*fdd8201dSApple OSS Distributions 34*fdd8201dSApple OSS Distributions T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true)); 35*fdd8201dSApple OSS Distributions 36*fdd8201dSApple OSS Distributions T_DECL(waitpid_nohang, "FreeBSDarwin--waitpid_nohang") 37*fdd8201dSApple OSS Distributions { 38*fdd8201dSApple OSS Distributions pid_t child, pid; 39*fdd8201dSApple OSS Distributions int status, r; 40*fdd8201dSApple OSS Distributions siginfo_t siginfo; 41*fdd8201dSApple OSS Distributions 42*fdd8201dSApple OSS Distributions child = fork(); 43*fdd8201dSApple OSS Distributions T_ASSERT_POSIX_SUCCESS(child, "child forked successfully"); 44*fdd8201dSApple OSS Distributions if (child == 0) { 45*fdd8201dSApple OSS Distributions sleep(10); 46*fdd8201dSApple OSS Distributions _exit(1); 47*fdd8201dSApple OSS Distributions } 48*fdd8201dSApple OSS Distributions 49*fdd8201dSApple OSS Distributions status = 42; 50*fdd8201dSApple OSS Distributions pid = waitpid(child, &status, WNOHANG); 51*fdd8201dSApple OSS Distributions T_ASSERT_POSIX_ZERO(pid, "waitpid call is successful"); 52*fdd8201dSApple OSS Distributions T_EXPECT_EQ(status, 42, "status is unaffected as expected"); 53*fdd8201dSApple OSS Distributions 54*fdd8201dSApple OSS Distributions r = kill(child, SIGTERM); 55*fdd8201dSApple OSS Distributions T_ASSERT_POSIX_ZERO(r, "signal sent successfully"); 56*fdd8201dSApple OSS Distributions r = waitid(P_PID, (id_t)child, &siginfo, WEXITED | WNOWAIT); 57*fdd8201dSApple OSS Distributions T_ASSERT_POSIX_SUCCESS(r, "waitid call successful"); 58*fdd8201dSApple OSS Distributions 59*fdd8201dSApple OSS Distributions status = -1; 60*fdd8201dSApple OSS Distributions pid = waitpid(child, &status, WNOHANG); 61*fdd8201dSApple OSS Distributions T_ASSERT_EQ(pid, child, "waitpid returns correct pid"); 62*fdd8201dSApple OSS Distributions T_EXPECT_EQ(WIFSIGNALED(status), true, "child was signaled"); 63*fdd8201dSApple OSS Distributions T_EXPECT_EQ(WTERMSIG(status), SIGTERM, "child was sent SIGTERM"); 64*fdd8201dSApple OSS Distributions } 65