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