tests/sysctl_hw.c

   1 #include <darwintest.h>
   2 #include <sys/sysctl.h>
   3
   4 T_DECL(sysctl_hw_cpu, "ensure vital product and CPU-related sysctls exist")
   5 {
   6         char buffer[64] = "";
   7         size_t buffer_size = sizeof(buffer);
   8         int v;
   9         size_t v_size;
  10
  11         int ret = sysctlbyname("hw.target", buffer,
  12             &buffer_size, NULL, 0);
  13         T_ASSERT_POSIX_SUCCESS(ret, "hw.target sysctl");
  14         T_LOG("hw.target = %s", buffer);
  15
  16         buffer_size = sizeof(buffer);
  17
  18         ret = sysctlbyname("hw.product", buffer,
  19             &buffer_size, NULL, 0);
  20         T_ASSERT_POSIX_SUCCESS(ret, "hw.product sysctl");
  21         T_LOG("hw.product = %s", buffer);
  22
  23         buffer_size = sizeof(buffer);
  24
  25         ret = sysctlbyname("machdep.cpu.brand_string", buffer,
  26             &buffer_size, NULL, 0);
  27
  28         T_ASSERT_POSIX_SUCCESS(ret, "machdep.cpu.brand_string sysctl");
  29         T_LOG("machdep.cpu.brand_string = %s", buffer);
  30
  31         v = 0;
  32         v_size = sizeof(v);
  33         ret = sysctlbyname("hw.cpu64bit_capable", &v, &v_size, NULL, 0);
  34         T_ASSERT_POSIX_SUCCESS(ret, "hw.cpu64bit_capable");
  35
  36 #if __arm__
  37         T_EXPECT_EQ(v, 0, "cpu is not 64 bit capable");
  38 #else
  39         T_EXPECT_EQ(v, 1, "cpu is 64 bit capable");
  40 #endif
  41 }