1 /* Multi-process/thread control defs for GDB, the GNU debugger.
2 Copyright 1987, 88, 89, 90, 91, 92, 1993, 1998
4 Contributed by Lynx Real-Time Systems, Inc. Los Gatos, CA.
5 Free Software Foundation, Inc.
7 This file is part of GDB.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
26 extern void init_thread_list PARAMS ((void));
28 extern void add_thread PARAMS ((int pid));
30 extern void delete_thread PARAMS ((int));
32 extern int thread_id_to_pid PARAMS ((int));
34 extern int in_thread_list PARAMS ((int pid));
36 extern int pid_to_thread_id PARAMS ((int pid));
38 extern int valid_thread_id PARAMS ((int thread));
40 extern void load_infrun_state PARAMS ((int, CORE_ADDR *, CORE_ADDR *, char **,
41 int *, struct breakpoint **,
42 struct breakpoint **, CORE_ADDR *,
43 CORE_ADDR *, CORE_ADDR *, int *, int *));
45 extern void save_infrun_state PARAMS ((int, CORE_ADDR, CORE_ADDR, char *,
46 int, struct breakpoint *,
47 struct breakpoint *, CORE_ADDR,
48 CORE_ADDR, CORE_ADDR, int, int));
50 /* Commands with a prefix of `thread'. */
51 extern struct cmd_list_element *thread_cmd_list;
53 /* Support for external (remote) systems with threads (processes) */
54 /* For example real time operating systems */
56 #define OPAQUETHREADBYTES 8
57 /* a 64 bit opaque identifier */
58 typedef unsigned char threadref[OPAQUETHREADBYTES] ;
59 /* WARNING: This threadref data structure comes from the remote O.S., libstub
60 protocol encoding, and remote.c. it is not particularly changable */
62 /* Right now, the internal structure is int. We want it to be bigger.
65 typedef int gdb_threadref ; /* internal GDB thread reference */
67 /* gdb_ext_thread_info is an internal GDB data structure which is
68 equivalint to the reply of the remote threadinfo packet */
70 struct gdb_ext_thread_info
72 threadref threadid ; /* External form of thread reference */
73 int active ; /* Has state interesting to GDB? , regs, stack */
74 char display[256] ; /* Brief state display, name, blocked/syspended */
75 char shortname[32] ; /* To be used to name threads */
76 char more_display[256] ; /* Long info, statistics, queue depth, whatever */
79 /* The volume of remote transfers can be limited by submitting
80 a mask containing bits specifying the desired information.
81 Use a union of these values as the 'selection' parameter to
82 get_thread_info. FIXME: Make these TAG names more thread specific.
84 #define TAG_THREADID 1
87 #define TAG_THREADNAME 8
88 #define TAG_MOREDISPLAY 16
90 /* Always initialize an instance of this structure using run time assignments */
91 /* Because we are likely to add entrtries to it. */
92 /* Alternatly, WE COULD ADD THESE TO THE TARGET VECTOR */
94 struct target_thread_vector
96 int (*find_new_threads)PARAMS((void)) ;
97 int (*get_thread_info) PARAMS((
100 struct gdb_ext_thread_info * info
102 /* to_thread_alive - Already in the target vector */
103 /* to_switch_thread - Done via select frame */
106 extern void bind_target_thread_vector PARAMS((struct target_thread_vector * vec)) ;
108 extern struct target_thread_vector * unbind_target_thread_vector PARAMS ((void)) ;
110 extern int target_get_thread_info PARAMS((
113 struct gdb_ext_thread_info * info)) ;
116 #endif /* GDBTHREAD_H */