tests/vm_set_max_addr_test.c

   1 #include <sys/wait.h>
   2 #include <spawn.h>
   3 #include <spawn_private.h>
   4
   5 #include <mach/mach_init.h>
   6 #include <mach/mach_vm.h>
   7
   8 #include <darwintest.h>
   9 #include <darwintest_utils.h>
  10
  11 extern char * testpath;
  12
  13 T_DECL(set_max_addr,
  14         "Description",
  15         T_META_NAMESPACE("xnu.vm"),
  16         T_META_CHECK_LEAKS(false))
  17 {
  18 #if (defined(__arm64__) && defined(__LP64__))
  19         int result = 0;
  20         int code = 0;
  21         int child_pid = 0;
  22         int status = 0;
  23         char * command_path = "./vm_set_max_addr_helper";
  24         char * command_args[] = { command_path, NULL };
  25         posix_spawnattr_t attrp;
  26
  27         result = posix_spawnattr_init(&attrp);
  28         T_ASSERT_POSIX_SUCCESS(result, "posix_spawnattr_init");
  29
  30         result = posix_spawn(&child_pid, command_path, NULL, &attrp, command_args, NULL);
  31         T_ASSERT_POSIX_SUCCESS(result, "posix_spawn");
  32
  33         result = waitpid(child_pid, &status, 0);
  34         T_ASSERT_POSIX_SUCCESS(result, "waitpid");
  35
  36         code = WEXITSTATUS(status);
  37         T_ASSERT_NE_INT(code, 0, "Child should have failed");
  38
  39         result = posix_spawnattr_set_max_addr_np(&attrp, ~0ULL);
  40         T_ASSERT_POSIX_SUCCESS(result, "posix_spawnattr_set_max_addr_np");
  41
  42         result = posix_spawn(&child_pid, command_path, NULL, &attrp, command_args, NULL);
  43         T_ASSERT_POSIX_SUCCESS(result, "posix_spawn");
  44
  45         result = waitpid(child_pid, &status, 0);
  46         T_ASSERT_POSIX_SUCCESS(result, "waitpid");
  47
  48         code = WEXITSTATUS(status);
  49         T_ASSERT_EQ_INT(code, 0, "Child should have succeeded");
  50
  51         posix_spawnattr_destroy(&attrp);
  52         T_ASSERT_POSIX_SUCCESS(result, "posix_spawnattr_destroy");
  53 #else /* !defined(__arm64__) || !defined(__LP64__) */
  54         T_SKIP("Not supported on this architecture");
  55 #endif /* (defined(__arm64__) && defined(__LP64__)) */
  56 }
  57