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/* Multi-process/thread control defs for GDB, the GNU debugger.
Copyright 1987, 88, 89, 90, 91, 92, 1993, 1998
Contributed by Lynx Real-Time Systems, Inc. Los Gatos, CA.
Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#ifndef GDBTHREAD_H
#define GDBTHREAD_H
/* For bpstat */
#include "breakpoint.h"
extern void init_thread_list PARAMS ((void));
extern void add_thread PARAMS ((int pid));
extern void delete_thread PARAMS ((int));
extern int thread_id_to_pid PARAMS ((int));
extern int in_thread_list PARAMS ((int pid));
extern int pid_to_thread_id PARAMS ((int pid));
extern int valid_thread_id PARAMS ((int thread));
extern void load_infrun_state PARAMS ((int, CORE_ADDR *, CORE_ADDR *, char **,
int *, struct breakpoint **,
struct breakpoint **, CORE_ADDR *,
CORE_ADDR *, CORE_ADDR *, int *, int *,
int *, bpstat *, int *));
extern void save_infrun_state PARAMS ((int, CORE_ADDR, CORE_ADDR, char *,
int, struct breakpoint *,
struct breakpoint *, CORE_ADDR,
CORE_ADDR, CORE_ADDR, int, int,
int, bpstat, int));
/* Commands with a prefix of `thread'. */
extern struct cmd_list_element *thread_cmd_list;
/* Support for external (remote) systems with threads (processes) */
/* For example real time operating systems */
#define OPAQUETHREADBYTES 8
/* a 64 bit opaque identifier */
typedef unsigned char threadref[OPAQUETHREADBYTES] ;
/* WARNING: This threadref data structure comes from the remote O.S., libstub
protocol encoding, and remote.c. it is not particularly changable */
/* Right now, the internal structure is int. We want it to be bigger.
Plan to fix this.
*/
typedef int gdb_threadref ; /* internal GDB thread reference */
/* gdb_ext_thread_info is an internal GDB data structure which is
equivalint to the reply of the remote threadinfo packet */
struct gdb_ext_thread_info
{
threadref threadid ; /* External form of thread reference */
int active ; /* Has state interesting to GDB? , regs, stack */
char display[256] ; /* Brief state display, name, blocked/syspended */
char shortname[32] ; /* To be used to name threads */
char more_display[256] ; /* Long info, statistics, queue depth, whatever */
} ;
/* The volume of remote transfers can be limited by submitting
a mask containing bits specifying the desired information.
Use a union of these values as the 'selection' parameter to
get_thread_info. FIXME: Make these TAG names more thread specific.
*/
#define TAG_THREADID 1
#define TAG_EXISTS 2
#define TAG_DISPLAY 4
#define TAG_THREADNAME 8
#define TAG_MOREDISPLAY 16
/* Always initialize an instance of this structure using run time assignments */
/* Because we are likely to add entrtries to it. */
/* Alternatly, WE COULD ADD THESE TO THE TARGET VECTOR */
struct target_thread_vector
{
int (*find_new_threads)PARAMS((void)) ;
int (*get_thread_info) PARAMS((
gdb_threadref * ref,
int selection,
struct gdb_ext_thread_info * info
)) ;
/* to_thread_alive - Already in the target vector */
/* to_switch_thread - Done via select frame */
} ;
extern void bind_target_thread_vector PARAMS((struct target_thread_vector * vec)) ;
extern struct target_thread_vector * unbind_target_thread_vector PARAMS ((void)) ;
extern int target_get_thread_info PARAMS((
gdb_threadref * ref,
int selection,
struct gdb_ext_thread_info * info)) ;
#endif /* GDBTHREAD_H */
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