text: /*
   * Copyright (C) 2010 Philippe Gerum <rpm@xenomai.org>.
   *
   * 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, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
   */
  
  #ifndef _COPPERPLATE_TIMEROBJ_H
  #define _COPPERPLATE_TIMEROBJ_H
  
  #include <pthread.h>
  #include <time.h>
  #include <boilerplate/list.h>
  #include <boilerplate/lock.h>
  
  struct timerobj {
  	struct itimerspec itspec;
  	void (*handler)(struct timerobj *tmobj);
  	timer_t timer;
  	pthread_mutex_t lock;
  	int cancel_state;
  	struct pvholder next;
  };
  
  static inline int timerobj_lock(struct timerobj *tmobj)
  {
  	return write_lock_safe(&tmobj->lock, tmobj->cancel_state);
  }
  
  static inline int timerobj_unlock(struct timerobj *tmobj)
  {
  	return write_unlock_safe(&tmobj->lock, tmobj->cancel_state);
  }
  
  static inline int timerobj_enabled(const struct timerobj *tmobj)
  {
  	return tmobj->handler != NULL;
  }
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  int timerobj_init(struct timerobj *tmobj);
  
  void timerobj_destroy(struct timerobj *tmobj);
  
  int timerobj_start(struct timerobj *tmobj,
  		   void (*handler)(struct timerobj *tmobj),
  		   struct itimerspec *it);
  
  int timerobj_stop(struct timerobj *tmobj);
  
  int timerobj_pkg_init(void);
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* _COPPERPLATE_TIMEROBJ_H */
  