mirror of
https://github.com/tromey/gdb-gui.git
synced 2025-09-06 09:40:28 +02:00
b73212ab30
This adds a couple of decorators that can be used to mark functions as needing to be run in the gdb thread or in the gtk thread. This found at least one bug.
83 lines
2.3 KiB
Python
83 lines
2.3 KiB
Python
# Copyright (C) 2012, 2013 Tom Tromey <tom@tromey.com>
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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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#
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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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#
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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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import gdb
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import threading
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import Queue
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import os
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import os.path
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import gui
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import fix_signals
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fix_signals.save()
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from gi.repository import Gtk, Gdk, GObject, GtkSource
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(read_pipe, write_pipe) = os.pipe()
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_event_queue = Queue.Queue()
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def send_to_gtk(func):
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_event_queue.put(func)
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os.write(write_pipe, 'x')
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class _GtkThread(threading.Thread):
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def handle_queue(self, source, condition):
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global _event_queue
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os.read(source, 1)
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func = _event_queue.get()
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func()
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return True
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def run(self):
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global read_pipe
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GObject.io_add_watch(read_pipe, GObject.IO_IN, self.handle_queue)
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GObject.type_register(GtkSource.View)
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Gtk.main()
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_gdb_thread = None
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_t = None
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def start_gtk():
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global _t
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global _gdb_thread
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if _t is None:
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GObject.threads_init()
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Gdk.threads_init()
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_gdb_thread = threading.current_thread()
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_t = _GtkThread()
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_t.setDaemon(True)
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_t.start()
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fix_signals.restore()
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def create_builder(filename):
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builder = Gtk.Builder()
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builder.add_from_file(os.path.join(gui.self_dir, filename))
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return builder
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def in_gdb_thread(func):
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def ensure_gdb_thread(*args, **kwargs):
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if threading.current_thread() is not _gdb_thread:
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raise RuntimeError("must run '%s' in gdb thread" % repr(func))
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return func(*args, **kwargs)
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return ensure_gdb_thread
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def in_gtk_thread(func):
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def ensure_gtk_thread(*args, **kwargs):
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if threading.current_thread() is not _t:
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raise RuntimeError("must run '%s' in Gtk thread" % repr(func))
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return func(*args, **kwargs)
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return ensure_gtk_thread
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