104 lines
2.6 KiB
C
104 lines
2.6 KiB
C
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/*++
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Copyright(c) 1999-2000 Microsoft Corporation
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Module Name:
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brdgtimr.h
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Abstract:
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Ethernet MAC level bridge.
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Timer implementation header
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Author:
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Mark Aiken
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Environment:
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Kernel mode driver
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Revision History:
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November 2000 - Original version
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--*/
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// ===========================================================================
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//
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// DECLARATIONS
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//
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// ===========================================================================
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// Bridge timer function definition
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typedef VOID (*PBRIDGE_TIMER_FUNC)(PVOID);
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typedef struct _BRIDGE_TIMER
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{
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NDIS_TIMER Timer; // The actual timer
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NDIS_EVENT Event; // Only used during final shutdown, and even then,
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// only if normal cancellation of the timer fails.
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// Lock protects bShuttingDown, bRunning, bCanceled, bRecurring and bInterval.
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NDIS_SPIN_LOCK Lock;
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BOOLEAN bShuttingDown; // TRUE if the timer is being shut down for good
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BOOLEAN bRunning; // Whether the timer is currently running
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BOOLEAN bCanceled; // Whether the timer is being canceled
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BOOLEAN bRecurring; // Whether the timer is recurrant
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UINT Interval; // Timer interval (for use if bRecurring == TRUE)
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// These fields do not change once the timer is initialized
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PBRIDGE_TIMER_FUNC pFunc; // The timer function
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PVOID data; // Data to pass to pFunc
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} BRIDGE_TIMER, *PBRIDGE_TIMER;
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// ===========================================================================
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//
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// PROTOTYPES
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//
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// ===========================================================================
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VOID
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BrdgInitializeTimer(
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IN PBRIDGE_TIMER pTimer,
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IN PBRIDGE_TIMER_FUNC pFunc,
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IN PVOID data
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);
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VOID
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BrdgSetTimer(
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IN PBRIDGE_TIMER pTimer,
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IN UINT interval,
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IN BOOLEAN bRecurring
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);
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VOID
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BrdgShutdownTimer(
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IN PBRIDGE_TIMER pTimer
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);
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VOID
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BrdgCancelTimer(
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IN PBRIDGE_TIMER pTimer
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);
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// ===========================================================================
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//
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// INLINES
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//
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// ===========================================================================
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//
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// Returns whether a timer is currently running
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//
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__forceinline
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BOOLEAN
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BrdgTimerIsRunning(
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IN PBRIDGE_TIMER pTimer
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)
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{
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return pTimer->bRunning;
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}
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