Fix building Loongarch BFD with a 32-bit compiler
[binutils-gdb.git] / gdbsupport / task-group.cc
blobe29ed25e0d3545ff674dcbaf4d012876656a4c73
1 /* Task group
3 Copyright (C) 2023-2024 Free Software Foundation, Inc.
5 This file is part of GDB.
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.
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.
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/>. */
20 #include "task-group.h"
21 #include "thread-pool.h"
23 namespace gdb
26 class task_group::impl : public std::enable_shared_from_this<task_group::impl>
28 public:
30 explicit impl (std::function<void ()> &&done)
31 : m_done (std::move (done))
32 { }
33 DISABLE_COPY_AND_ASSIGN (impl);
35 ~impl ()
37 if (m_started)
38 m_done ();
41 /* Add a task to the task group. */
42 void add_task (std::function<void ()> &&task)
44 m_tasks.push_back (std::move (task));
47 /* Start this task group. */
48 void start ();
50 /* True if started. */
51 bool m_started = false;
52 /* The tasks. */
53 std::vector<std::function<void ()>> m_tasks;
54 /* The 'done' function. */
55 std::function<void ()> m_done;
58 void
59 task_group::impl::start ()
61 std::shared_ptr<impl> shared_this = shared_from_this ();
62 m_started = true;
63 for (size_t i = 0; i < m_tasks.size (); ++i)
65 gdb::thread_pool::g_thread_pool->post_task ([=] ()
67 /* Be sure to capture a shared reference here. */
68 shared_this->m_tasks[i] ();
69 });
73 task_group::task_group (std::function<void ()> &&done)
74 : m_task (new impl (std::move (done)))
78 void
79 task_group::add_task (std::function<void ()> &&task)
81 gdb_assert (m_task != nullptr);
82 m_task->add_task (std::move (task));
85 void
86 task_group::start ()
88 gdb_assert (m_task != nullptr);
89 m_task->start ();
90 m_task.reset ();
93 } /* namespace gdb */