ACE_XtReactor(3)

NAME

ACE_XtReactor - An object-oriented event demultiplexor and event handler dispatcher that uses the X Toolkit functions.

SYNOPSIS

#include <ace/XtReactor.h>
class ACE_XtReactor : public ACE_Select_Reactor
{
  public:
    ACE_XtReactor (
        XtAppContext context = 0,
        size_t size = DEFAULT_SIZE,
        int restart = 0,
        ACE_Sig_Handler * = 0
        );
    virtual ~ACE_XtReactor (void);
    XtAppContext context (void) const;
    void context (XtAppContext);
    virtual long schedule_timer (
        ACE_Event_Handler *handler,
        const void *arg,
        const ACE_Time_Value &delta_time,
        const ACE_Time_Value &interval
        );
    virtual int reset_timer_interval (
        long timer_id,
        const ACE_Time_Value &interval
        );
    virtual int cancel_timer (
        ACE_Event_Handler *handler,
        int dont_call_handle_close = 1
        );
    virtual int cancel_timer (
        long timer_id,
        const void **arg = 0,
        int dont_call_handle_close = 1
        );
  protected:
    virtual int register_handler_i (
        ACE_HANDLE handle,
        ACE_Event_Handler *handler,
        ACE_Reactor_Mask mask
        );
    virtual int register_handler_i (
        const ACE_Handle_Set &handles,
        ACE_Event_Handler *handler,
        ACE_Reactor_Mask mask
        );
    virtual int remove_handler_i (
        ACE_HANDLE handle,
        ACE_Reactor_Mask mask
        );
    virtual int remove_handler_i (
        const ACE_Handle_Set &handles,
        ACE_Reactor_Mask
        );
    virtual void remove_XtInput (ACE_HANDLE handle);
    virtual int wait_for_multiple_events (
        ACE_Select_Reactor_Handle_Set &,
        ACE_Time_Value *
        );
    virtual int XtWaitForMultipleEvents (
        int,
        ACE_Select_Reactor_Handle_Set &,
        ACE_Time_Value *
        );
    XtAppContext context_;
    ACE_XtReactorID *ids_;
    XtIntervalId timeout_;
  private:
    void reset_timeout (void);
    static void TimerCallbackProc (
        XtPointer closure,
        XtIntervalId *id
        );
    static void InputCallbackProc (
        XtPointer closure,
        int* source,
        XtInputId *id
        );
    ACE_XtReactor (const ACE_XtReactor &);
    ACE_XtReactor &operator = (const ACE_XtReactor &);
};

Initialization and termination methods.

ACE_XtReactor (
    XtAppContext context = 0,
    size_t size = DEFAULT_SIZE,
    int restart = 0,
    ACE_Sig_Handler * = 0
    );

virtual ~ACE_XtReactor (void);

XtAppContext context (void) const;

void context (XtAppContext);

Timer operations.

virtual long schedule_timer (
    ACE_Event_Handler *handler,
    const void *arg,
    const ACE_Time_Value &delta_time,
    const ACE_Time_Value &interval
    );

virtual int reset_timer_interval (
    long timer_id,
    const ACE_Time_Value &interval
    );

virtual int cancel_timer (
    ACE_Event_Handler *handler,
    int dont_call_handle_close = 1
    );

virtual int cancel_timer (
    long timer_id,
    const void **arg = 0,
    int dont_call_handle_close = 1
    );

Register timers/handles with Xt.

virtual int register_handler_i (
    ACE_HANDLE handle,
    ACE_Event_Handler *handler,
    ACE_Reactor_Mask mask
    );

Register a single handler.

virtual int register_handler_i (
    const ACE_Handle_Set &handles,
    ACE_Event_Handler *handler,
    ACE_Reactor_Mask mask
    );

Register a set of handlers.

virtual int remove_handler_i (
    ACE_HANDLE handle,
    ACE_Reactor_Mask mask
    );

Remove the handler associated with this handle.

virtual int remove_handler_i (
    const ACE_Handle_Set &handles,
    ACE_Reactor_Mask
    );

Remove a set of handles.

virtual void remove_XtInput (ACE_HANDLE handle);

Removes an Xt handle.

virtual int wait_for_multiple_events (
    ACE_Select_Reactor_Handle_Set &,
    ACE_Time_Value *
    );

Wait for events to occur.

virtual int XtWaitForMultipleEvents (
    int,
    ACE_Select_Reactor_Handle_Set &,
    ACE_Time_Value *
    );

Wait for Xt events to occur.

XtAppContext context_;

ACE_XtReactorID *ids_;

XtIntervalId timeout_;

Integrate with the X callback function mechanism.

static void TimerCallbackProc (XtPointer closure, XtIntervalId *id);

static void InputCallbackProc (
    XtPointer closure,
    int* source,
    XtInputId *id
    );

ACE_XtReactor (const ACE_XtReactor &);

ACE_XtReactor &operator = (const ACE_XtReactor &);

Deny access since member-wise won't work...

AUTHOR

Eric C. Newton's [email protected], Kirill Rybaltchenko [email protected], and Douglas C. Schmidt [email protected]

LIBRARY

ace