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( 10 T_META_RUN_CONCURRENTLY(true), 11 T_META_CHECK_LEAKS(false), 12 T_META_TAG_VM_PREFERRED, 13 T_META_RADAR_COMPONENT_NAME("xnu"), 14 T_META_RADAR_COMPONENT_VERSION("signals")); 15 16 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) 17 { 18 pid_t pid; 19 siginfo_t siginfo; 20 pid = fork(); 21 T_QUIET; T_ASSERT_NE_INT(pid, -1, "fork() failed!"); 22 23 if (pid == 0) { 24 while (1) { 25 } 26 } 27 28 kill(pid, SIGSTOP); 29 kill(pid, SIGCONT); 30 sleep(1); 31 32 T_QUIET; T_ASSERT_POSIX_SUCCESS(waitid(P_PID, pid, &siginfo, WCONTINUED), "Calling waitid() failed for pid %d", pid); 33 34 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 ); 35 kill(pid, SIGKILL); 36 } 37