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Kernel: Port Process to ListedRefCounted

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This commit is contained in:
Idan Horowitz 2021-12-29 00:46:21 +02:00 • committed by Andreas Kling
parent 3d0b5efcfc
commit d7ec5d042f
4 changed files with 14 additions and 36 deletions
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12
Kernel/Process.h
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@ -86,7 +86,7 @@ using FutexQueues = HashMap<FlatPtr, RefPtr<FutexQueue>>;
struct LoadResult;
class Process final
: public AK::RefCountedBase
: public ListedRefCounted<Process, LockType::Spinlock>
, public Weakable<Process> {
class ProtectedValues {
@ -183,7 +183,6 @@ public:
static ErrorOr<NonnullRefPtr<Process>> try_create_user_process(RefPtr<Thread>& first_thread, StringView path, UserID, GroupID, NonnullOwnPtrVector<KString> arguments, NonnullOwnPtrVector<KString> environment, TTY*);
static void register_new(Process&);
bool unref() const;
~Process();
RefPtr<Thread> create_kernel_thread(void (*entry)(void*), void* entry_data, u32 priority, NonnullOwnPtr<KString> name, u32 affinity = THREAD_AFFINITY_DEFAULT, bool joinable = true);
@ -808,6 +807,7 @@ private:
public:
using List = IntrusiveListRelaxedConst<&Process::m_list_node>;
static SpinlockProtected<Process::List>& all_instances();
};
// Note: Process object should be 2 pages of 4096 bytes each.
@ -818,13 +818,11 @@ static_assert(AssertSize<Process, (PAGE_SIZE * 2)>());
extern RecursiveSpinlock g_profiling_lock;
SpinlockProtected<Process::List>& processes();
template<IteratorFunction<Process&> Callback>
inline void Process::for_each(Callback callback)
{
VERIFY_INTERRUPTS_DISABLED();
processes().with([&](const auto& list) {
Process::all_instances().with([&](const auto& list) {
for (auto it = list.begin(); it != list.end();) {
auto& process = *it;
++it;
@ -838,7 +836,7 @@ template<IteratorFunction<Process&> Callback>
inline void Process::for_each_child(Callback callback)
{
ProcessID my_pid = pid();
processes().with([&](const auto& list) {
Process::all_instances().with([&](const auto& list) {
for (auto it = list.begin(); it != list.end();) {
auto& process = *it;
++it;
@ -879,7 +877,7 @@ inline IterationDecision Process::for_each_thread(Callback callback)
template<IteratorFunction<Process&> Callback>
inline void Process::for_each_in_pgrp(ProcessGroupID pgid, Callback callback)
{
processes().with([&](const auto& list) {
Process::all_instances().with([&](const auto& list) {
for (auto it = list.begin(); it != list.end();) {
auto& process = *it;
++it;