1 #include <signal.h> 2 #include <stdio.h> 3 #include <stdlib.h> 4 #include <unistd.h> 5 #include <errno.h> 6 7 #include <darwintest.h> 8 9 T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true)); 10 11 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 { 13 pid_t pid; 14 siginfo_t siginfo; 15 pid = fork(); 16 T_QUIET; T_ASSERT_NE_INT(pid, -1, "fork() failed!"); 17 18 if (pid == 0) { 19 while (1) { 20 } 21 } 22 23 kill(pid, SIGSTOP); 24 kill(pid, SIGCONT); 25 sleep(1); 26 27 T_QUIET; T_ASSERT_POSIX_SUCCESS(waitid(P_PID, pid, &siginfo, WCONTINUED), "Calling waitid() failed for pid %d", pid); 28 29 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 kill(pid, SIGKILL); 31 } 32