Bananymous/banan-os
1
1
Fork 1
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

LibC/Kernel: Add support for detached pthreads

Browse Source
This commit is contained in:
Bananymous
2026-05-17 00:40:56 +03:00
parent ff75c15ba3
commit 9c79971bdc
5 changed files with 50 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

51
kernel/kernel/Process.cpp
View File

@@ -3334,20 +3334,24 @@ namespace Kernel
if (m_threads.size() == 1)
return sys_exit(0);
TRY(m_exited_pthreads.emplace_back(Thread::current().tid(), value));
auto& thread = Thread::current();
if (!thread.is_detached())
{
TRY(m_exited_pthreads.emplace_back(thread.tid(), value));
m_pthread_exit_blocker.unblock();
}
m_pthread_exit_blocker.unblock();
m_process_lock.unlock();
Thread::current().on_exit();
thread.on_exit();
ASSERT_NOT_REACHED();
}
BAN::ErrorOr<long> Process::sys_pthread_join(pthread_t thread, void** user_value)
BAN::ErrorOr<long> Process::sys_pthread_join(pthread_t tid, void** user_value)
{
LockGuard _(m_process_lock);
if (thread == Thread::current().tid())
if (tid == Thread::current().tid())
return BAN::Error::from_errno(EINVAL);
const auto check_thread =
@@ -3355,13 +3359,10 @@ namespace Kernel
{
for (size_t i = 0; i < m_exited_pthreads.size(); i++)
{
if (m_exited_pthreads[i].thread != thread)
if (m_exited_pthreads[i].thread != tid)
continue;
void* ret = m_exited_pthreads[i].value;
m_exited_pthreads.remove(i);
return ret;
}
@@ -3379,10 +3380,18 @@ namespace Kernel
{
bool found = false;
for (auto* _thread : m_threads)
if (_thread->tid() == thread)
found = true;
bool joinable = false;
for (auto* thread : m_threads)
{
if (thread->tid() != tid)
continue;
found = true;
joinable = !thread->is_detached();
break;
}
if (!found)
return BAN::Error::from_errno(ESRCH);
if (!joinable)
return BAN::Error::from_errno(EINVAL);
}
@@ -3425,6 +3434,24 @@ namespace Kernel
return BAN::Error::from_errno(ESRCH);
}
BAN::ErrorOr<long> Process::sys_pthread_detach(pthread_t tid)
{
LockGuard _(m_process_lock);
for (auto* thread : m_threads)
{
if (thread->tid() != tid)
continue;
if (thread->is_detached())
return BAN::Error::from_errno(EINVAL);
thread->detach();
m_pthread_exit_blocker.unblock();
return 0;
}
return BAN::Error::from_errno(ESRCH);
}
BAN::ErrorOr<long> Process::sys_setuid(uid_t uid)
{
if (uid < 0 || uid >= 1'000'000'000)