56 lines
2.3 KiB
C
56 lines
2.3 KiB
C
/* Continuations for GDB, the GNU debugger.
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Copyright (C) 1999-2018 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef CONTINUATIONS_H
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#define CONTINUATIONS_H
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struct inferior;
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/* To continue the execution commands when running gdb asynchronously.
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A continuation structure contains a pointer to a function to be called
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to finish the command, once the target has stopped. Such mechanism is
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used by the finish and until commands, and in the remote protocol
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when opening an extended-remote connection. */
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/* Prototype of the continuation callback functions. ARG is the
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continuation argument registered in the corresponding
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add_*_continuation call. ERR is true when the command should be
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cancelled instead of finished normally. In that case, the
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continuation should clean up whatever state had been set up for the
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command in question (e.g., remove momentary breakpoints). This
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happens e.g., when an error was thrown while handling a target
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event, or when the inferior thread the command was being executed
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on exits. */
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typedef void (continuation_ftype) (void *arg, int err);
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/* Prototype of the function responsible for releasing the argument
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passed to the continuation callback functions, either when the
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continuation is called, or discarded. */
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typedef void (continuation_free_arg_ftype) (void *);
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/* Inferior specific (any thread) continuations. */
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extern void add_inferior_continuation (continuation_ftype *,
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void *,
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continuation_free_arg_ftype *);
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extern void do_all_inferior_continuations (int err);
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extern void discard_all_inferior_continuations (struct inferior *inf);
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#endif
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