1*a1e26a70SApple OSS Distributions #include <servers/bootstrap.h> 2*a1e26a70SApple OSS Distributions #include <mach/mach.h> 3*a1e26a70SApple OSS Distributions #include <mach/message.h> 4*a1e26a70SApple OSS Distributions #include <stdlib.h> 5*a1e26a70SApple OSS Distributions #include <sys/sysctl.h> 6*a1e26a70SApple OSS Distributions #include <unistd.h> 7*a1e26a70SApple OSS Distributions #include <pthread.h> 8*a1e26a70SApple OSS Distributions 9*a1e26a70SApple OSS Distributions #ifdef T_NAMESPACE 10*a1e26a70SApple OSS Distributions #undef T_NAMESPACE 11*a1e26a70SApple OSS Distributions #endif 12*a1e26a70SApple OSS Distributions 13*a1e26a70SApple OSS Distributions #include <darwintest.h> 14*a1e26a70SApple OSS Distributions #include <darwintest_utils.h> 15*a1e26a70SApple OSS Distributions #include <darwintest_multiprocess.h> 16*a1e26a70SApple OSS Distributions 17*a1e26a70SApple OSS Distributions T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true), 18*a1e26a70SApple OSS Distributions T_META_NAMESPACE("xnu.ipc"), 19*a1e26a70SApple OSS Distributions T_META_RADAR_COMPONENT_NAME("xnu"), 20*a1e26a70SApple OSS Distributions T_META_RADAR_COMPONENT_VERSION("IPC"), 21*a1e26a70SApple OSS Distributions T_META_TAG_VM_PREFERRED); 22*a1e26a70SApple OSS Distributions 23*a1e26a70SApple OSS Distributions 24*a1e26a70SApple OSS Distributions T_DECL(task_fatal_port, "Create a child and kill it using the task fatal port") 25*a1e26a70SApple OSS Distributions { 26*a1e26a70SApple OSS Distributions mach_port_name_t old_port_name = 0, new_port_name = 1; 27*a1e26a70SApple OSS Distributions int port_name_size, status, ret; 28*a1e26a70SApple OSS Distributions pid_t child, pid; 29*a1e26a70SApple OSS Distributions 30*a1e26a70SApple OSS Distributions #if TARGET_OS_BRIDGE 31*a1e26a70SApple OSS Distributions T_SKIP("Skip this test on 32 bit kernels and bridgeos"); 32*a1e26a70SApple OSS Distributions #endif 33*a1e26a70SApple OSS Distributions 34*a1e26a70SApple OSS Distributions child = fork(); 35*a1e26a70SApple OSS Distributions if (child == 0) { 36*a1e26a70SApple OSS Distributions port_name_size = sizeof(old_port_name); 37*a1e26a70SApple OSS Distributions ret = sysctlbyname("machdep.task_get_fatal_port", &old_port_name, &port_name_size, &new_port_name, sizeof(new_port_name)); 38*a1e26a70SApple OSS Distributions if (ret < 0) { 39*a1e26a70SApple OSS Distributions printf("sysctlbyname failed"); 40*a1e26a70SApple OSS Distributions exit(2); 41*a1e26a70SApple OSS Distributions } 42*a1e26a70SApple OSS Distributions printf("old_port_name = %d \n", old_port_name); 43*a1e26a70SApple OSS Distributions mach_port_deallocate(mach_task_self(), old_port_name); 44*a1e26a70SApple OSS Distributions 45*a1e26a70SApple OSS Distributions while (1) { 46*a1e26a70SApple OSS Distributions sleep(1); 47*a1e26a70SApple OSS Distributions } 48*a1e26a70SApple OSS Distributions } 49*a1e26a70SApple OSS Distributions 50*a1e26a70SApple OSS Distributions pid = waitpid(child, &status, 0); 51*a1e26a70SApple OSS Distributions T_ASSERT_EQ(pid, child, "waitpid returns correct pid"); 52*a1e26a70SApple OSS Distributions T_EXPECT_EQ(WIFSIGNALED(status), true, "child was signaled"); 53*a1e26a70SApple OSS Distributions T_EXPECT_EQ(WTERMSIG(status), SIGKILL, "child was sent SIGKILL"); 54*a1e26a70SApple OSS Distributions } 55