libgate.h

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/*
** libgate.h for gate-srv in /home/pwipwi/lse/lseos/lseos-srv/basic/gate
**
** Made by (Christophe Eymard)
** Login   <eymard_c@epita.fr>
**
** Started on  Thu Mar 10 19:05:29 2005 Christophe Eymard
** Last update Sun Mar 20 15:37:59 2005 Christophe Eymard
*/

#ifndef LIBGATE_H_
# define LIBGATE_H_

# include <libc.h>

# define GATE_NAME_SZ   64
# define OK             0
# define NOT_OK         1

enum                    e_libgate_errors
{
  ENOGATE = 2,
  EREGISTERED,
  ENOPROCESS,
  EGATEEMPTY,
  ENOCLASS,
  ECOPY
};

/*
** XXX : For now, those are just random ideas that I launched like that. These
**      numbers are not meant to be definitive.
*/
enum                    gate_classes
{
  CLASS_KERNEL = 1,
  CLASS_NETWORK,
  CLASS_ETHERNET
};

typedef                 struct
{
  int                   class;
  int                   gate_id;
  int                   minor;
  char                  manufacturer[GATE_NAME_SZ];
  char                  dev_name[GATE_NAME_SZ];
  int                   gate_index; // Index in the gate table
} t_gate_infos;

int                     gatesrv_register(int                    class,
                                         int                    gate_id,
                                         int                    minor,
                                         char                   *manufacturer,
                                         char                   *dev_name);

int                     gatesrv_unregister(int                  gate_id);

int                     gatesrv_get_first(int                   class,
                                          t_gate_infos          *gi,
                                          int                   *occur);

int                     gatesrv_get_next(int                    class,
                                         t_gate_infos           *gi,
                                         int                    *occur);

int                     gatesrv_use(t_gate_infos                *gi);


int                     gatesrv_unuse(t_gate_infos              *gi);

#endif /* !LIBGATE_H_ */

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