haproxy/include/types/task.h

/*
  include/types/task.h
  Macros, variables and structures for task management.

  Copyright (C) 2000-2008 Willy Tarreau - w@1wt.eu
  
  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, version 2.1
  exclusively.

  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, write to the Free Software
  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
*/

#ifndef _TYPES_TASK_H
#define _TYPES_TASK_H

#include <sys/time.h>

#include <common/config.h>
#include <common/eb32tree.h>
#include <common/mini-clist.h>

/* values for task->state */
#define TASK_IDLE	0
#define TASK_RUNNING	1

/* The base for all tasks */
struct task {
	struct eb32_node eb;		/* ebtree node used to hold the task in the wait queue */
	int state;			/* task state : IDLE or RUNNING */
	unsigned int expire;		/* next expiration time for this task */
	void (*process)(struct task *t, int *next);  /* the function which processes the task */
	void *context;			/* the task's context */
	int nice;			/* the task's current nice value from -1024 to +1024 */
};

#endif /* _TYPES_TASK_H */

/*
 * Local variables:
 *  c-indent-level: 8
 *  c-basic-offset: 8
 * End:
 */