1*a325d9c4SApple OSS Distributions #include <signal.h> 2*a325d9c4SApple OSS Distributions #include <stdio.h> 3*a325d9c4SApple OSS Distributions #include <stdlib.h> 4*a325d9c4SApple OSS Distributions #include <unistd.h> 5*a325d9c4SApple OSS Distributions #include <errno.h> 6*a325d9c4SApple OSS Distributions 7*a325d9c4SApple OSS Distributions #include <darwintest.h> 8*a325d9c4SApple OSS Distributions 9*a325d9c4SApple OSS Distributions T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true)); 10*a325d9c4SApple OSS Distributions 11*a325d9c4SApple OSS Distributions T_DECL(sigcontreturn, "checks that a call to waitid() for a child that is stopped and then continued returns correctly") 12*a325d9c4SApple OSS Distributions { 13*a325d9c4SApple OSS Distributions pid_t pid; 14*a325d9c4SApple OSS Distributions siginfo_t siginfo; 15*a325d9c4SApple OSS Distributions pid = fork(); 16*a325d9c4SApple OSS Distributions T_QUIET; T_ASSERT_NE_INT(pid, -1, "fork() failed!"); 17*a325d9c4SApple OSS Distributions 18*a325d9c4SApple OSS Distributions if (pid == 0) { 19*a325d9c4SApple OSS Distributions while (1) { 20*a325d9c4SApple OSS Distributions } 21*a325d9c4SApple OSS Distributions } 22*a325d9c4SApple OSS Distributions 23*a325d9c4SApple OSS Distributions kill(pid, SIGSTOP); 24*a325d9c4SApple OSS Distributions kill(pid, SIGCONT); 25*a325d9c4SApple OSS Distributions sleep(1); 26*a325d9c4SApple OSS Distributions 27*a325d9c4SApple OSS Distributions T_QUIET; T_ASSERT_POSIX_SUCCESS(waitid(P_PID, pid, &siginfo, WCONTINUED), "Calling waitid() failed for pid %d", pid); 28*a325d9c4SApple OSS Distributions 29*a325d9c4SApple OSS Distributions T_ASSERT_EQ_INT(siginfo.si_status, SIGCONT, "A call to waitid() for stopped and continued child returns 0x%x, expected SIGCONT (0x%x)", siginfo.si_status, SIGCONT ); 30*a325d9c4SApple OSS Distributions kill(pid, SIGKILL); 31*a325d9c4SApple OSS Distributions } 32