event.h

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/* **************************************************************
Copyright (C) 2010, 2011, 2012 Hewlett-Packard Development Company, L.P.

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
version 2 as published by the Free Software Foundation.

This program 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 General Public License for more details.

You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
************************************************************** */
#ifndef EVENT_H_INCLUDE
#define EVENT_H_INCLUDE

/* scheduler includes */
#include <scheduler.h>

/* ************************************************************************** */
/* **** Data Types ********************************************************** */
/* ************************************************************************** */

#define EVENT_LOOP_SIZE 1024

typedef struct {
  void(*func)(scheduler_t*, void*); 
  void* argument;                   
  char* name;                       
  char*    source_name;             
  uint16_t source_line;             
} event_t;

typedef struct event_loop {
  GAsyncQueue* queue; 
  int terminated;     
  int occupied;       
} event_loop_t;


typedef void(*event_function)(scheduler_t*, void*);

typedef struct
{
  void* first;
  int second;
} arg_int;

/* ************************************************************************** */
/* **** Constructor Destructor ********************************************** */
/* ************************************************************************** */

event_t* event_init(void(*func)(scheduler_t*, void*), void* arg, char* name, char* source_name, uint16_t source_line);
void     event_destroy(event_t* e);
int event_loop_put(event_loop_t* event_loop, event_t* event);
event_t* event_loop_take(event_loop_t* event_loop);

void     event_loop_destroy();

/* ************************************************************************** */
/* **** EventLoop Functions ************************************************* */
/* ************************************************************************** */

#define event_signal(func, args) event_signal_ext(func, args, #func, __FILE__, __LINE__)

void event_signal_ext(void* func, void* args, char* name, char* s_name, uint16_t s_line);
int  event_loop_enter(scheduler_t* scheduler, void(*)(scheduler_t*), void(*)(scheduler_t*));
void event_loop_terminate();

#endif /* EVENT_H_INCLUDE */