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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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21
Kernel/Process.h
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@ -119,6 +119,8 @@ protected:
u32 m_execpromises { 0 };
mode_t m_umask { 022 };
VirtualAddress m_signal_trampoline;
Atomic<u32> m_thread_count { 0 };
IntrusiveList<Thread, &Thread::m_process_thread_list_node> m_thread_list;
};
class ProcessBase : public ProtectedProcessBase {
@ -245,8 +247,11 @@ public:
static void for_each_in_pgrp(ProcessGroupID, Callback);
template<typename Callback>
void for_each_child(Callback);
template<typename Callback>
IterationDecision for_each_thread(Callback) const;
IterationDecision for_each_thread(Callback);
template<typename Callback>
IterationDecision for_each_thread(Callback callback) const;
void die();
void finalize();
@ -576,8 +581,6 @@ private:
u8 m_termination_status { 0 };
u8 m_termination_signal { 0 };
Atomic<u32> m_thread_count { 0 };
mutable IntrusiveList<Thread, &Thread::m_process_thread_list_node> m_thread_list;
mutable RecursiveSpinLock m_thread_list_lock;
const bool m_is_kernel_process;
@ -669,6 +672,18 @@ inline IterationDecision Process::for_each_thread(Callback callback) const
return IterationDecision::Continue;
}
template<typename Callback>
inline IterationDecision Process::for_each_thread(Callback callback)
{
ScopedSpinLock thread_list_lock(m_thread_list_lock);
for (auto& thread : m_thread_list) {
IterationDecision decision = callback(thread);
if (decision != IterationDecision::Continue)
return decision;
}
return IterationDecision::Continue;
}
template<typename Callback>
inline void Process::for_each_in_pgrp(ProcessGroupID pgid, Callback callback)
{