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LibThreading: Add new detach() API to Thread

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Sometimes you don't care about `joining()` the result of a thread. The
underlying pthread implementation already existed for detaching and
now we expose it to the higher level API.
This commit is contained in:
Spencer Dixon 2021-07-02 08:05:07 -04:00 committed by Andreas Kling
parent 5666809889
commit 48731e9f17
Notes: sideshowbarker 2024-07-18 11:07:05 +09:00 
Author: https://github.com/SpencerCDixon
Commit: https://github.com/SerenityOS/serenity/commit/48731e9f172
Pull-request: https://github.com/SerenityOS/serenity/pull/8385
Reviewed-by: https://github.com/gunnarbeutner
2 changed files with 14 additions and 1 deletions
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12
Userland/Libraries/LibThreading/Thread.cpp
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@ -20,7 +20,7 @@ Threading::Thread::Thread(Function<intptr_t()> action, StringView thread_name)
Threading::Thread::~Thread()
{
if (m_tid) {
if (m_tid && !m_detached) {
dbgln("Destroying thread \"{}\"({}) while it is still running!", m_thread_name, m_tid);
[[maybe_unused]] auto res = join();
}
@ -46,3 +46,13 @@ void Threading::Thread::start()
}
dbgln("Started thread \"{}\", tid = {}", m_thread_name, m_tid);
}
void Threading::Thread::detach()
{
VERIFY(!m_detached);
int rc = pthread_detach(m_tid);
VERIFY(rc == 0);
m_detached = true;
}

3
Userland/Libraries/LibThreading/Thread.h
View file

@ -1,5 +1,6 @@
/*
* Copyright (c) 2019-2020, Sergey Bugaev <bugaevc@serenityos.org>
* Copyright (c) 2021, Spencer Dixon <spencercdixon@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -24,6 +25,7 @@ public:
virtual ~Thread();
void start();
void detach();
template<typename T = void>
Result<T, ThreadError> join();
@ -36,6 +38,7 @@ private:
Function<intptr_t()> m_action;
pthread_t m_tid { 0 };
String m_thread_name;
bool m_detached { false };
};
template<typename T>