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Kernel: Move process thread lists into protected data

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This commit is contained in:
Andreas Kling 2021-03-11 14:12:55 +01:00
parent 1b2ea12062
commit 4916b5c130
4 changed files with 22 additions and 4 deletions
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2
Kernel/Process.cpp
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@ -693,6 +693,7 @@ bool Process::create_perf_events_buffer_if_needed()
bool Process::remove_thread(Thread& thread)
{
ProtectedDataMutationScope scope { *this };
auto thread_cnt_before = m_thread_count.fetch_sub(1, AK::MemoryOrder::memory_order_acq_rel);
VERIFY(thread_cnt_before != 0);
ScopedSpinLock thread_list_lock(m_thread_list_lock);
@ -702,6 +703,7 @@ bool Process::remove_thread(Thread& thread)
bool Process::add_thread(Thread& thread)
{
ProtectedDataMutationScope scope { *this };
bool is_first = m_thread_count.fetch_add(1, AK::MemoryOrder::memory_order_relaxed) == 0;
ScopedSpinLock thread_list_lock(m_thread_list_lock);
m_thread_list.append(thread);