1 #include <servers/bootstrap.h> 2 #include <mach/mach.h> 3 #include <mach/message.h> 4 #include <stdlib.h> 5 #include <sys/sysctl.h> 6 #include <unistd.h> 7 #include <pthread.h> 8 9 #ifdef T_NAMESPACE 10 #undef T_NAMESPACE 11 #endif 12 13 #include <darwintest.h> 14 #include <darwintest_utils.h> 15 #include <darwintest_multiprocess.h> 16 17 T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true), 18 T_META_NAMESPACE("xnu.ipc"), 19 T_META_RADAR_COMPONENT_NAME("xnu"), 20 T_META_RADAR_COMPONENT_VERSION("IPC")); 21 22 23 T_DECL(task_fatal_port, "Create a child and kill it using the task fatal port") 24 { 25 mach_port_name_t old_port_name = 0, new_port_name = 1; 26 int port_name_size, status, ret; 27 pid_t child, pid; 28 29 #if defined(__arm__) || TARGET_OS_BRIDGE 30 T_SKIP("Skip this test on 32 bit kernels and bridgeos"); 31 #endif 32 33 child = fork(); 34 if (child == 0) { 35 port_name_size = sizeof(old_port_name); 36 ret = sysctlbyname("machdep.task_get_fatal_port", &old_port_name, &port_name_size, &new_port_name, sizeof(new_port_name)); 37 if (ret < 0) { 38 printf("sysctlbyname failed"); 39 exit(2); 40 } 41 printf("old_port_name = %d \n", old_port_name); 42 mach_port_deallocate(mach_task_self(), old_port_name); 43 44 while (1) { 45 sleep(1); 46 } 47 } 48 49 pid = waitpid(child, &status, 0); 50 T_ASSERT_EQ(pid, child, "waitpid returns correct pid"); 51 T_EXPECT_EQ(WIFSIGNALED(status), true, "child was signaled"); 52 T_EXPECT_EQ(WTERMSIG(status), SIGKILL, "child was sent SIGKILL"); 53 } 54