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/*
* Copyright (c) 2019-2020, Sergey Bugaev <bugaevc@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibThreading/Thread.h>
#include <pthread.h>
#include <string.h>
#include <unistd.h>
Threading::Thread::Thread(Function<intptr_t()> action, StringView thread_name)
: Core::Object(nullptr)
, m_action(move(action))
, m_thread_name(thread_name.is_null() ? "" : thread_name)
{
register_property("thread_name", [&] { return JsonValue { m_thread_name }; });
register_property("tid", [&] { return JsonValue { m_tid }; });
}
Threading::Thread::~Thread()
{
if (m_tid && !m_detached) {
dbgln("Destroying thread \"{}\"({}) while it is still running!", m_thread_name, m_tid);
[[maybe_unused]] auto res = join();
}
}
void Threading::Thread::start()
{
int rc = pthread_create(
&m_tid,
nullptr,
[](void* arg) -> void* {
Thread* self = static_cast<Thread*>(arg);
auto exit_code = self->m_action();
self->m_tid = 0;
return reinterpret_cast<void*>(exit_code);
},
static_cast<void*>(this));
VERIFY(rc == 0);
if (!m_thread_name.is_empty()) {
rc = pthread_setname_np(m_tid, m_thread_name.characters());
VERIFY(rc == 0);
}
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;
}
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