#include <linux/linkage.h>
#include <linux/ptrace.h>
 

/* Flags for bug emulation. These occupy the top three bytes. */
/* Flagi do emulacji błędów z innych systemów - 3 górne bajty */
#define STICKY_TIMEOUTS   0x4000000
#define WHOLE_SECONDS   0x2000000

/* Personality types. These go in the low byte. Avoid using the top bit,
 * it will conflict with error returns.
 */
/* maska dla typów osobowości */
#define PER_MASK    (0x00ff)
/* typy osobowości - w najmłodszym bajcie */
#define PER_LINUX   (0x0000)
#define PER_SVR4    (0x0001 | STICKY_TIMEOUTS)
#define PER_SVR3    (0x0002 | STICKY_TIMEOUTS)
#define PER_SCOSVR3   (0x0003 | STICKY_TIMEOUTS | WHOLE_SECONDS)
#define PER_WYSEV386    (0x0004 | STICKY_TIMEOUTS)
#define PER_ISCR4   (0x0005 | STICKY_TIMEOUTS)
#define PER_BSD     (0x0006)
#define PER_XENIX   (0x0007 | STICKY_TIMEOUTS)

/* Prototype for an lcall7 syscall handler. */
typedef asmlinkage void (*lcall7_func)(struct pt_regs *);
 

/* Description of an execution domain - personality range supported,
 * lcall7 syscall handler, start up / shut down functions etc.
 * N.B. The name and lcall7 handler must be where they are since the
 * offset of the handler is hard coded in kernel/sys_call.S.
 */
/* Opis domeny wykonywania */
struct exec_domain {
  const char *name;                       /* nazwa domeny */
  lcall7_func handler;
  unsigned char pers_low, pers_high;      /* zakres obsługiwanych osobowości */
  unsigned long * signal_map;             /* mapowanie sygnałów z linuxa do danej domeny */
  unsigned long * signal_invmap;          /* mapowanie sygnałów z danej domeny do Linuxa */
  long *use_count;                        /* licznik odwołań */
  struct exec_domain *next;               /* następny element na liście */
};

extern struct exec_domain default_exec_domain;

/* prototypy funkcji z exec_domain.c */
extern struct exec_domain *lookup_exec_domain(unsigned long personality);
extern int register_exec_domain(struct exec_domain *it);
extern int unregister_exec_domain(struct exec_domain *it);
asmlinkage int sys_personality(unsigned long personality);

#endif /* _PERSONALITY_H */