1 #include <stdlib.h> 2 #include <time.h> 3 #include <sys/time.h> 4 #include <sys/types.h> 5 #include <sys/sysctl.h> 6 #include <mach/mach_time.h> 7 8 #include <darwintest.h> 9 10 T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true)); 11 12 T_DECL(mach_boottime_usec, "mach_boottime_usec()", 13 T_META_ALL_VALID_ARCHS(true), T_META_LTEPHASE(LTE_POSTINIT)) 14 { 15 uint64_t bt_usec = mach_boottime_usec(); 16 17 struct timeval bt_tv; 18 size_t len = sizeof(bt_tv); 19 T_ASSERT_POSIX_SUCCESS(sysctlbyname("kern.boottime", &bt_tv, &len, NULL, 0), NULL); 20 21 T_EXPECT_EQ((uint64_t)bt_tv.tv_sec * USEC_PER_SEC + (uint64_t)bt_tv.tv_usec, bt_usec, NULL); 22 } 23