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ATATimerEventSource

Inherits from:	IOTimerEventSource
Declared In:	ATATimerEventSource.h

Overview

Extends the timer event source to allow checking for timer expiration from behind the workloop.

Functions

ataTimerEventSource: Allocates an instance of this type.
cancelTimeout: Overrides to set/clear the time out flag.
disable: Overrides to set/clear the time out flag.
enable: Overrides to set/clear the time out flag.
hasTimedOut: Returns true if the timer has expired since the last enable/disable or setTimeoutFunc or wakeAtTime call.
init: Overrides to initialize the time out flag.
myTimeout: Sets the timedOut flag atomically.
setTimeoutFunc: Override to install myTimeout function instead of the super's.
wakeAtTime: Overrides to set/clear the time out flag.

ataTimerEventSource

Allocates an instance of this type.

public

static ATATimerEventSource * ataTimerEventSource(
    OSObject *owner,
    Action action = 0);

cancelTimeout

Overrides to set/clear the time out flag.

public

virtual void cancelTimeout();

disable

Overrides to set/clear the time out flag.

public

virtual void disable();

enable

Overrides to set/clear the time out flag.

public

virtual void enable();

hasTimedOut

Returns true if the timer has expired since the last enable/disable or setTimeoutFunc or wakeAtTime call.

public

virtual bool hasTimedOut(
    void );

init

Overrides to initialize the time out flag.

public

virtual bool init(
    OSObject *owner,
    Action action = 0);

myTimeout

Sets the timedOut flag atomically.

protected

static void myTimeout(
    void *self);

setTimeoutFunc

Override to install myTimeout function instead of the super's.

protected

virtual void setTimeoutFunc();

wakeAtTime

Overrides to set/clear the time out flag.

public

virtual IOReturn wakeAtTime(
    AbsoluteTime abstime);

Structs and Unions

ExpansionData

protected

struct ExpansionData {
};

Discussion

This structure will be used to expand the capablilties of the IOWorkLoop in the future.

Member Data

reserved

protected

ExpansionData *reserved;

Discussion

Reserved for future use. (Internal use only)

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Last Updated: 2008-12-19