#ifndef __RunLoop_h_OBJECTS_INCLUDE
#define __RunLoop_h_OBJECTS_INCLUDE

#include <objects/stdobjects.h>
#include <objects/NotificationDispatcher.h>
#include <objects/Set.h>
#include <Foundation/NSMapTable.h>
#include <sys/types.h>

@interface RunLoop : NSObject
{
  id _current_mode;
  NSMapTable *_mode_2_timers;
  NSMapTable *_mode_2_in_ports;
  NSMapTable *_mode_2_fd_listeners;
}

- (void) addPort: port
         forMode: (id <String>)mode;
- (void) removePort: port
            forMode: (id <String>)mode;

- (void) addTimer: timer forMode: (id <String>)mode;

- limitDateForMode: (id <String>)mode;
- (void) acceptInputForMode: (id <String>)mode
                 beforeDate: date;
- (id <String>) currentMode;

- (void) run;
- (void) runUntilDate: limit_date;
- (BOOL) runOnceBeforeDate: date;
- (BOOL) runOnceBeforeDate: date forMode: (id <String>)mode;

+ (void) run;
+ (void) runUntilDate: date;
+ (void) runUntilDate: date forMode: (id <String>)mode;
+ (BOOL) runOnceBeforeDate: date;
+ (BOOL) runOnceBeforeDate: date forMode: (id <String>)mode;

+ currentInstance;
+ (id <String>) currentMode;

@end

/* Mode strings. */
extern id RunLoopDefaultMode;

/* xxx This interface will probably change. */
@protocol FdListening
- (void) readyForReadingOnFileDescriptor: (int)fd;
@end

/* xxx This interface will probably change. */
@interface NSObject (OptionalPortRunLoop)
/* If a InPort object responds to this, it is sent just before we are
   about to wait listening for input.
   This interface will probably change. */
- (void) getFds: (int*)fds count: (int*)count;
@end

#endif /* __RunLoop_h_OBJECTS_INCLUDE */