Listener.h

/*
 * $Id: Listener.h 2839 2009-09-28 11:36:20Z karijes $
 *
 * Descriptor monitoring functions
 * Copyright (c) 2008 edelib authors
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef __EDELIB_LISTENER_H__
#define __EDELIB_LISTENER_H__

#include "edelib-global.h"

EDELIB_NS_BEGIN

enum {
        LISTENER_READ   = 1, 
        LISTENER_WRITE  = 4, 
        LISTENER_EXCEPT = 8  
};

EDELIB_API void listener_add_fd(int fd, int when, void(*cb)(int, void*), void* arg = 0);

EDELIB_API inline void listener_add_fd(int fd, void(*cb)(int, void*), void* arg = 0) {
        listener_add_fd(fd, LISTENER_READ, cb, arg);
}

EDELIB_API void listener_remove_fd(int fd, int when);

EDELIB_API inline void listener_remove_fd(int fd) { 
        listener_remove_fd(fd, LISTENER_READ); 
}

EDELIB_API double listener_wait(double t);

EDELIB_API inline int listener_wait(void) { 
        // FLTK uses 1e20 for forever so I'm using it too
        return (int)listener_wait(1e20); 
}

EDELIB_NS_END
#endif