* Returns the time when the operation started its execution.
     *
     * @return The start time, in milliseconds since the epoch.
     */
    long getStartTime();

    /**
     * Returns the time when the operation finished its execution.
     *
     * @return The end time, in milliseconds since the epoch.
     */
    long getEndTime();

	// packet header view.
	// See https://svnweb.freebsd.org/base?view=revision&revision=254804.
	m := (*ifMsghdr)(unsafe.Pointer(any))
	p.Header.Data.Hwassist = uint32(m.Data.Hwassist)
	p.Header.Data.Epoch = m.Data.Epoch
	p.Header.Data.Lastchange = m.Data.Lastchange
	return &InterfaceMessage{Header: p.Header, Data: b[int(unsafe.Offsetof(p.Header.Data))+int(p.Header.Data.Datalen) : any.Msglen]}

    /**
     * Returns the time when this test started execution.
     *
     * @return The start time, in milliseconds since the epoch.
     */
    long getStartTime();

    /**
     * Returns the time when this test completed execution.
     *
     * @return The end t ime, in milliseconds since the epoch.
     */
    long getEndTime();

    /**

 * @since 8.0
 */
public class TimestampSuppliers {
    /**
     * Returns a supplier that calculates a timestamp exactly the given amount of time
     * prior to the current time, or 0 if the amount of time extends beyond the epoch.
     */
    public static Supplier<Long> inThePast(int value, TimeUnit timeUnit) {
        // This needs to be an anonymous inner class instead of a lambda for configuration cache compatibility

 */

package org.gradle.internal.time

import spock.lang.Specification

import java.util.concurrent.TimeUnit


class TimestampSuppliersTest extends Specification {
    def "timestamps earlier than the epoch evaluate to zero"() {
        expect:
        TimestampSuppliers.inThePast(Integer.MAX_VALUE, TimeUnit.HOURS).get() == 0

        and:
        TimestampSuppliers.daysAgo(Integer.MAX_VALUE).get() == 0
    }

TEXT time·now(SB),NOSPLIT,$0-24
	MOVD	$_INTERRUPT_TIME, R3
	MOVD	time_lo(R3), R0
	MOVD	$100, R1
	MUL	R1, R0
	MOVD	R0, mono+16(FP)

	MOVD	$_SYSTEM_TIME, R3
	MOVD	time_lo(R3), R0
	// convert to Unix epoch (but still 100ns units)
	#define delta 116444736000000000
	SUB	$delta, R0
	// Convert to nSec
	MOVD	$100, R1
	MUL	R1, R0

	// Code stolen from compiler output for:
	//
	//	var x uint64

	MOVL	DX, mono+16(FP)

wall:
	MOVL	(_SYSTEM_TIME+time_hi1), CX
	MOVL	(_SYSTEM_TIME+time_lo), AX
	MOVL	(_SYSTEM_TIME+time_hi2), DX
	CMPL	CX, DX
	JNE	wall

	// w = DX:AX
	// convert to Unix epoch (but still 100ns units)
	#define delta 116444736000000000
	SUBL	$(delta & 0xFFFFFFFF), AX
	SBBL $(delta >> 32), DX

	// nano/100 = DX:AX
	// split into two decimal halves by div 1e9.

    assertThat(builder["e"]).isNull()
  }

  @Test fun builderSetOperator() {
    val builder = Headers.Builder()
    builder["a"] = "b"
    builder["c"] = "d"
    builder["e"] = Date(0L)
    builder["g"] = Instant.EPOCH
    assertThat(builder["a"]).isEqualTo("b")
    assertThat(builder["c"]).isEqualTo("d")
    assertThat(builder["e"]).isEqualTo("Thu, 01 Jan 1970 00:00:00 GMT")

	Oerrors     uint32
	Collisions  uint32
	Ibytes      uint32
	Obytes      uint32
	Imcasts     uint32
	Omcasts     uint32
	Iqdrops     uint32
	Noproto     uint32
	Hwassist    uint64
	Epoch       int64
	Lastchange  Timeval
}

type IfData struct {
	Type        uint8
	Physical    uint8
	Addrlen     uint8
	Hdrlen      uint8
	Link_state  uint8
	Spare_char1 uint8
	Spare_char2 uint8

	Oerrors     uint64
	Collisions  uint64
	Ibytes      uint64
	Obytes      uint64
	Imcasts     uint64
	Omcasts     uint64
	Iqdrops     uint64
	Noproto     uint64
	Hwassist    uint64
	Epoch       int64
	Lastchange  Timeval
}

type IfData struct {
	Type        uint8
	Physical    uint8
	Addrlen     uint8
	Hdrlen      uint8
	Link_state  uint8
	Spare_char1 uint8
	Spare_char2 uint8