[apple/xnu.git] / tests / mach_boottime_usec.c

#include <stdlib.h>
#include <time.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/sysctl.h>
#include <mach/mach_time.h>

#include <darwintest.h>

T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true));

T_DECL(mach_boottime_usec, "mach_boottime_usec()",
    T_META_ALL_VALID_ARCHS(true), T_META_LTEPHASE(LTE_POSTINIT))
{
	uint64_t bt_usec = mach_boottime_usec();

	struct timeval bt_tv;
	size_t len = sizeof(bt_tv);
	T_ASSERT_POSIX_SUCCESS(sysctlbyname("kern.boottime", &bt_tv, &len, NULL, 0), NULL);

	T_EXPECT_EQ((uint64_t)bt_tv.tv_sec * USEC_PER_SEC + (uint64_t)bt_tv.tv_usec, bt_usec, NULL);
}
Commit	Line	Data
39037602 A	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
cb323159 A	10	T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true));
cb323159 A	11
39037602	12	T_DECL(mach_boottime_usec, "mach_boottime_usec()",
0a7de745	13	T_META_ALL_VALID_ARCHS(true), T_META_LTEPHASE(LTE_POSTINIT))
39037602 A	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	}