1*d4514f0bSApple OSS Distributions #include <signal.h> 2*d4514f0bSApple OSS Distributions #include <stdio.h> 3*d4514f0bSApple OSS Distributions #include <stdlib.h> 4*d4514f0bSApple OSS Distributions #include <unistd.h> 5*d4514f0bSApple OSS Distributions #include <errno.h> 6*d4514f0bSApple OSS Distributions 7*d4514f0bSApple OSS Distributions #include <darwintest.h> 8*d4514f0bSApple OSS Distributions 9*d4514f0bSApple OSS Distributions T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true)); 10*d4514f0bSApple OSS Distributions 11*d4514f0bSApple OSS Distributions T_DECL(sigcontreturn, "checks that a call to waitid() for a child that is stopped and then continued returns correctly", T_META_TAG_VM_PREFERRED) 12*d4514f0bSApple OSS Distributions { 13*d4514f0bSApple OSS Distributions pid_t pid; 14*d4514f0bSApple OSS Distributions siginfo_t siginfo; 15*d4514f0bSApple OSS Distributions pid = fork(); 16*d4514f0bSApple OSS Distributions T_QUIET; T_ASSERT_NE_INT(pid, -1, "fork() failed!"); 17*d4514f0bSApple OSS Distributions 18*d4514f0bSApple OSS Distributions if (pid == 0) { 19*d4514f0bSApple OSS Distributions while (1) { 20*d4514f0bSApple OSS Distributions } 21*d4514f0bSApple OSS Distributions } 22*d4514f0bSApple OSS Distributions 23*d4514f0bSApple OSS Distributions kill(pid, SIGSTOP); 24*d4514f0bSApple OSS Distributions kill(pid, SIGCONT); 25*d4514f0bSApple OSS Distributions sleep(1); 26*d4514f0bSApple OSS Distributions 27*d4514f0bSApple OSS Distributions T_QUIET; T_ASSERT_POSIX_SUCCESS(waitid(P_PID, pid, &siginfo, WCONTINUED), "Calling waitid() failed for pid %d", pid); 28*d4514f0bSApple OSS Distributions 29*d4514f0bSApple 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*d4514f0bSApple OSS Distributions kill(pid, SIGKILL); 31*d4514f0bSApple OSS Distributions } 32