thread_db.h

Axis 221 camera embedded programing interface

  int nlwps_num;		/* Average number of processes in use,
				   numerator.  */
  int nlwps_den;		/* Average number of processes in use,
				   denominator.  */
  int nidle_num;		/* Average number of idling processes,
				   numerator.  */
  int nidle_den;		/* Average number of idling processes,
				   denominator.  */
} td_ta_stats_t;


/* Since Sun's library is based on Solaris threads we have to define a few
   types to map them to POSIX threads.  */
typedef pthread_t thread_t;
typedef pthread_key_t thread_key_t;


/* Callback for iteration over threads.  */
typedef int td_thr_iter_f (const td_thrhandle_t *, void *);

/* Callback for iteration over thread local data.  */
typedef int td_key_iter_f (thread_key_t, void (*) (void *), void *);



/* Forward declaration.  This has to be defined by the user.  */
struct ps_prochandle;


/* Information about the thread.  */
typedef struct td_thrinfo
{
  td_thragent_t *ti_ta_p;		/* Process handle.  */
  unsigned int ti_user_flags;		/* Unused.  */
  thread_t ti_tid;			/* Thread ID returned by
					   pthread_create().  */
  char *ti_tls;				/* Pointer to thread-local data.  */
  psaddr_t ti_startfunc;		/* Start function passed to
					   pthread_create().  */
  psaddr_t ti_stkbase;			/* Base of thread's stack.  */
  long int ti_stksize;			/* Size of thread's stack.  */
  psaddr_t ti_ro_area;			/* Unused.  */
  int ti_ro_size;			/* Unused.  */
  td_thr_state_e ti_state;		/* Thread state.  */
  unsigned char ti_db_suspended;	/* Nonzero if suspended by debugger. */
  td_thr_type_e ti_type;		/* Type of the thread (system vs
					   user thread).  */
  intptr_t ti_pc;			/* Unused.  */
  intptr_t ti_sp;			/* Unused.  */
  short int ti_flags;			/* Unused.  */
  int ti_pri;				/* Thread priority.  */
  lwpid_t ti_lid;			/* Unused.  */
  sigset_t ti_sigmask;			/* Signal mask.  */
  unsigned char ti_traceme;		/* Nonzero if event reporting
					   enabled.  */
  unsigned char ti_preemptflag;		/* Unused.  */
  unsigned char ti_pirecflag;		/* Unused.  */
  sigset_t ti_pending;			/* Set of pending signals.  */
  td_thr_events_t ti_events;		/* Set of enabled events.  */
} td_thrinfo_t;



/* Prototypes for exported library functions.  */

/* Initialize the thread debug support library.  */
extern td_err_e td_init (void);

/* Historical relict.  Should not be used anymore.  */
extern td_err_e td_log (void);

/* Return list of symbols the library can request.  */
extern const char **td_symbol_list (void);

/* Generate new thread debug library handle for process PS.  */
extern td_err_e td_ta_new (struct ps_prochandle *__ps, td_thragent_t **__ta);

/* Free resources allocated for TA.  */
extern td_err_e td_ta_delete (td_thragent_t *__ta);

/* Get number of currently running threads in process associated with TA.  */
extern td_err_e td_ta_get_nthreads (const td_thragent_t *__ta, int *__np);

/* Return process handle passed in `td_ta_new' for process associated with
   TA.  */
extern td_err_e td_ta_get_ph (const td_thragent_t *__ta,
			      struct ps_prochandle **__ph);

/* Map thread library handle PT to thread debug library handle for process
   associated with TA and store result in *TH.  */
extern td_err_e td_ta_map_id2thr (const td_thragent_t *__ta, pthread_t __pt,
				  td_thrhandle_t *__th);

/* Map process ID LWPID to thread debug library handle for process
   associated with TA and store result in *TH.  */
extern td_err_e td_ta_map_lwp2thr (const td_thragent_t *__ta, lwpid_t __lwpid,
				   td_thrhandle_t *__th);


/* Call for each thread in a process associated with TA the callback function
   CALLBACK.  */
extern td_err_e td_ta_thr_iter (const td_thragent_t *__ta,
				td_thr_iter_f *__callback, void *__cbdata_p,
				td_thr_state_e __state, int __ti_pri,
				sigset_t *__ti_sigmask_p,
				unsigned int __ti_user_flags);

/* Call for each defined thread local data entry the callback function KI.  */
extern td_err_e td_ta_tsd_iter (const td_thragent_t *__ta, td_key_iter_f *__ki,
				void *__p);


/* Get event address for EVENT.  */
extern td_err_e td_ta_event_addr (const td_thragent_t *__ta,
				  td_event_e __event, td_notify_t *__ptr);

/* Enable EVENT in global mask.  */
extern td_err_e td_ta_set_event (const td_thragent_t *__ta,
				 td_thr_events_t *__event);

/* Disable EVENT in global mask.  */
extern td_err_e td_ta_clear_event (const td_thragent_t *__ta,
				   td_thr_events_t *__event);

/* Return information about last event.  */
extern td_err_e td_ta_event_getmsg (const td_thragent_t *__ta,
				    td_event_msg_t *__msg);


/* Set suggested concurrency level for process associated with TA.  */
extern td_err_e td_ta_setconcurrency (const td_thragent_t *__ta, int __level);


/* Enable collecting statistics for process associated with TA.  */
extern td_err_e td_ta_enable_stats (const td_thragent_t *__ta, int __enable);

/* Reset statistics.  */
extern td_err_e td_ta_reset_stats (const td_thragent_t *__ta);

/* Retrieve statistics from process associated with TA.  */
extern td_err_e td_ta_get_stats (const td_thragent_t *__ta,
				 td_ta_stats_t *__statsp);


/* Validate that TH is a thread handle.  */
extern td_err_e td_thr_validate (const td_thrhandle_t *__th);

/* Return information about thread TH.  */
extern td_err_e td_thr_get_info (const td_thrhandle_t *__th,
				 td_thrinfo_t *__infop);

/* Retrieve floating-point register contents of process running thread TH.  */
extern td_err_e td_thr_getfpregs (const td_thrhandle_t *__th,
				  prfpregset_t *__regset);

/* Retrieve general register contents of process running thread TH.  */
extern td_err_e td_thr_getgregs (const td_thrhandle_t *__th,
				 prgregset_t __gregs);

/* Retrieve extended register contents of process running thread TH.  */
extern td_err_e td_thr_getxregs (const td_thrhandle_t *__th, void *__xregs);

/* Get size of extended register set of process running thread TH.  */
extern td_err_e td_thr_getxregsize (const td_thrhandle_t *__th, int *__sizep);

/* Set floating-point register contents of process running thread TH.  */
extern td_err_e td_thr_setfpregs (const td_thrhandle_t *__th,
				  const prfpregset_t *__fpregs);

/* Set general register contents of process running thread TH.  */
extern td_err_e td_thr_setgregs (const td_thrhandle_t *__th,
				 prgregset_t __gregs);

/* Set extended register contents of process running thread TH.  */
extern td_err_e td_thr_setxregs (const td_thrhandle_t *__th,
				 const void *__addr);


/* Get address of thread local variable.  */
extern td_err_e td_thr_tls_get_addr (const td_thrhandle_t *__th,
				     void *__map_address, size_t __offset,
				     void **__address);


/* Enable reporting for EVENT for thread TH.  */
extern td_err_e td_thr_event_enable (const td_thrhandle_t *__th, int __event);

/* Enable EVENT for thread TH.  */
extern td_err_e td_thr_set_event (const td_thrhandle_t *__th,
				  td_thr_events_t *__event);

/* Disable EVENT for thread TH.  */
extern td_err_e td_thr_clear_event (const td_thrhandle_t *__th,
				    td_thr_events_t *__event);

/* Get event message for thread TH.  */
extern td_err_e td_thr_event_getmsg (const td_thrhandle_t *__th,
				     td_event_msg_t *__msg);


/* Set priority of thread TH.  */
extern td_err_e td_thr_setprio (const td_thrhandle_t *__th, int __prio);


/* Set pending signals for thread TH.  */
extern td_err_e td_thr_setsigpending (const td_thrhandle_t *__th,
				      unsigned char __n, const sigset_t *__ss);

/* Set signal mask for thread TH.  */
extern td_err_e td_thr_sigsetmask (const td_thrhandle_t *__th,
				   const sigset_t *__ss);


/* Return thread local data associated with key TK in thread TH.  */
extern td_err_e td_thr_tsd (const td_thrhandle_t *__th,
			    const thread_key_t __tk, void **__data);


/* Suspend execution of thread TH.  */
extern td_err_e td_thr_dbsuspend (const td_thrhandle_t *__th);

/* Resume execution of thread TH.  */
extern td_err_e td_thr_dbresume (const td_thrhandle_t *__th);

#endif	/* thread_db.h */