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72 lines
2.6 KiB
C
72 lines
2.6 KiB
C
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/* Async events for the GDB event loop.
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Copyright (C) 1999-2019 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 ASYNC_EVENT_H
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#define ASYNC_EVENT_H
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#include "event-loop.h"
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struct async_signal_handler;
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struct async_event_handler;
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typedef void (sig_handler_func) (gdb_client_data);
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typedef void (async_event_handler_func) (gdb_client_data);
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extern struct async_signal_handler *
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create_async_signal_handler (sig_handler_func *proc,
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gdb_client_data client_data);
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extern void delete_async_signal_handler (struct async_signal_handler **);
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/* Call the handler from HANDLER the next time through the event
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loop. */
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extern void mark_async_signal_handler (struct async_signal_handler *handler);
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/* Returns true if HANDLER is marked ready. */
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extern int
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async_signal_handler_is_marked (struct async_signal_handler *handler);
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/* Mark HANDLER as NOT ready. */
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extern void clear_async_signal_handler (struct async_signal_handler *handler);
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/* Create and register an asynchronous event source in the event loop,
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and set PROC as its callback. CLIENT_DATA is passed as argument to
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PROC upon its invocation. Returns a pointer to an opaque structure
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used to mark as ready and to later delete this event source from
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the event loop. */
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extern struct async_event_handler *
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create_async_event_handler (async_event_handler_func *proc,
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gdb_client_data client_data);
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/* Remove the event source pointed by HANDLER_PTR created by
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CREATE_ASYNC_EVENT_HANDLER from the event loop, and release it. */
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extern void
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delete_async_event_handler (struct async_event_handler **handler_ptr);
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/* Call the handler from HANDLER the next time through the event
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loop. */
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extern void mark_async_event_handler (struct async_event_handler *handler);
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/* Mark the handler (ASYNC_HANDLER_PTR) as NOT ready. */
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extern void clear_async_event_handler (struct async_event_handler *handler);
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extern void initialize_async_signal_handlers (void);
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#endif /* ASYNC_EVENT_H */
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