PLIST_ENTRY NTAPI ExInterlockedRemoveHeadList	(	IN OUT PLIST_ENTRY	ListHead,
		IN OUT PKSPIN_LOCK	Lock
	)

Definition at line 166 of file interlocked.c.

{
    BOOLEAN Enable;
    PLIST_ENTRY ListEntry;

    /* Disable interrupts and acquire the spinlock */
    Enable = _ExiDisableInteruptsAndAcquireSpinlock(Lock);

    /* Check if the list is empty */
    if (IsListEmpty(ListHead))
    {
        /* Return NULL */
        ListEntry = NULL;
    }
    else
    {
        /* Remove the first entry from the list head */
        ListEntry = RemoveHeadList(ListHead);
#if DBG
        ListEntry->Flink = (PLIST_ENTRY)0xBADDD0FF;
        ListEntry->Blink = (PLIST_ENTRY)0xBADDD0FF;
#endif
    }

    /* Release the spinlock and restore interrupts */
    _ExiReleaseSpinLockAndRestoreInterupts(Lock, Enable);

    /* Return the entry */
    return ListEntry;
}

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