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 T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true));
  12
  13 extern char * testpath;
  14
  15 T_DECL(set_max_addr,
  16     "Description",
  17     T_META_NAMESPACE("xnu.vm"),
  18     T_META_CHECK_LEAKS(false))
  19 {
  20 #if (defined(__arm64__) && defined(__LP64__))
  21         int result = 0;
  22         int code = 0;
  23         int child_pid = 0;
  24         int status = 0;
  25         char * command_path = "./vm_set_max_addr_helper";
  26         char * command_args[] = { command_path, NULL };
  27         posix_spawnattr_t attrp;
  28
  29         result = posix_spawnattr_init(&attrp);
  30         T_ASSERT_POSIX_SUCCESS(result, "posix_spawnattr_init");
  31
  32         result = posix_spawn(&child_pid, command_path, NULL, &attrp, command_args, NULL);
  33         T_ASSERT_POSIX_SUCCESS(result, "posix_spawn");
  34
  35         result = waitpid(child_pid, &status, 0);
  36         T_ASSERT_POSIX_SUCCESS(result, "waitpid");
  37
  38         code = WEXITSTATUS(status);
  39         T_ASSERT_NE_INT(code, 0, "Child should have failed");
  40
  41         result = posix_spawnattr_set_max_addr_np(&attrp, ~0ULL);
  42         T_ASSERT_POSIX_SUCCESS(result, "posix_spawnattr_set_max_addr_np");
  43
  44         result = posix_spawn(&child_pid, command_path, NULL, &attrp, command_args, NULL);
  45         T_ASSERT_POSIX_SUCCESS(result, "posix_spawn");
  46
  47         result = waitpid(child_pid, &status, 0);
  48         T_ASSERT_POSIX_SUCCESS(result, "waitpid");
  49
  50         code = WEXITSTATUS(status);
  51         T_ASSERT_EQ_INT(code, 0, "Child should have succeeded");
  52
  53         posix_spawnattr_destroy(&attrp);
  54         T_ASSERT_POSIX_SUCCESS(result, "posix_spawnattr_destroy");
  55 #else /* !defined(__arm64__) || !defined(__LP64__) */
  56         T_SKIP("Not supported on this architecture");
  57 #endif /* (defined(__arm64__) && defined(__LP64__)) */
  58 }