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/tmp/gdb-8.1/gdb/continuations.h
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1 /* Continuations for GDB, the GNU debugger.
2
3 Copyright (C) 1999-2018 Free Software Foundation, Inc.
4
5 This file is part of GDB.
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
19
20 #ifndef CONTINUATIONS_H
21 #define CONTINUATIONS_H
22
23 struct inferior;
24
25 /* To continue the execution commands when running gdb asynchronously.
26 A continuation structure contains a pointer to a function to be called
27 to finish the command, once the target has stopped. Such mechanism is
28 used by the finish and until commands, and in the remote protocol
29 when opening an extended-remote connection. */
30
31 /* Prototype of the continuation callback functions. ARG is the
32 continuation argument registered in the corresponding
33 add_*_continuation call. ERR is true when the command should be
34 cancelled instead of finished normally. In that case, the
35 continuation should clean up whatever state had been set up for the
36 command in question (e.g., remove momentary breakpoints). This
37 happens e.g., when an error was thrown while handling a target
38 event, or when the inferior thread the command was being executed
39 on exits. */
40 typedef void (continuation_ftype) (void *arg, int err);
41
42 /* Prototype of the function responsible for releasing the argument
43 passed to the continuation callback functions, either when the
44 continuation is called, or discarded. */
45 typedef void (continuation_free_arg_ftype) (void *);
46
47 /* Inferior specific (any thread) continuations. */
48
49 extern void add_inferior_continuation (continuation_ftype *,
50 void *,
51 continuation_free_arg_ftype *);
52 extern void do_all_inferior_continuations (int err);
53 extern void discard_all_inferior_continuations (struct inferior *inf);
54
55 #endif
err
mach_port_t mach_port_t name mach_port_t mach_port_t name kern_return_t err
Definition: gnu-nat.c:1822
add_inferior_continuation
void add_inferior_continuation(continuation_ftype *, void *, continuation_free_arg_ftype *)
Definition: continuations.c:111
continuation_free_arg_ftype
void() continuation_free_arg_ftype(void *)
Definition: continuations.h:45
inferior
Definition: inferior.h:310
continuation_ftype
void() continuation_ftype(void *arg, int err)
Definition: continuations.h:40
inf
Definition: gnu-nat.c:174
do_all_inferior_continuations
void do_all_inferior_continuations(int err)
Definition: continuations.c:122
discard_all_inferior_continuations
void discard_all_inferior_continuations(struct inferior *inf)
Definition: continuations.c:131