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//! NT Time routines.
use ::shared::{SYSTEMTIME};
#[cfg(target_arch = "x86_64")]
use ::shared::{KUSER_SHARED_DATA};
extern "system"
{
// The following exports exists only on x86 kernels.
// x64 drivers must use KUSER_SHARED_DATA to obtain these values.
#[cfg(target_arch = "x86")]
fn KeQuerySystemTime(CurrentTime: *mut SYSTEMTIME);
#[cfg(target_arch = "x86")]
fn KeQueryTickCount(TickCount: *mut i64);
/// Converts a GMT system time value to the local system time for the current time zone.
pub fn ExSystemTimeToLocalTime(SystemTime: *const SYSTEMTIME, LocalTime: *mut SYSTEMTIME);
}
/// Obtains the current system time.
#[cfg(target_arch = "x86")]
pub fn QuerySystemTime() -> SYSTEMTIME {
let mut t = 0i64;
unsafe { KeQuerySystemTime(&mut t) };
return t;
}
/// Obtains the current system time.
#[cfg(target_arch = "x86_64")]
pub fn QuerySystemTime() -> SYSTEMTIME {
let shared = KUSER_SHARED_DATA::get();
SYSTEMTIME::from(shared.SystemTime)
}
/// A count of the interval timer interrupts that have occurred since the system was booted.
#[cfg(target_arch = "x86")]
pub fn QueryTickCount() -> i64 {
let mut t = 0i64;
unsafe { KeQueryTickCount(&mut t) };
return t;
}
/// A count of the interval timer interrupts that have occurred since the system was booted.
#[cfg(target_arch = "x86_64")]
pub fn QueryTickCount() -> i64 {
let shared = KUSER_SHARED_DATA::get();
SYSTEMTIME::from(shared.TickCount)
}
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