Initial creation of sourceware repository

gdb/gdbthread.h

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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 */