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Kernel: Consolidate the various BlockCondition::unblock variants
The unblock_all variant used to ASSERT if a blocker didn't unblock, but it wasn't clear from the name that it would do that. Because the BlockCondition already asserts that no blockers are left at destruction time, it would still catch blockers that haven't been unblocked for whatever reason. Fixes #4496
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6 changed files with 16 additions and 57 deletions
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@ -398,36 +398,14 @@ public:
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protected:
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template<typename UnblockOne>
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void unblock(UnblockOne unblock_one)
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bool unblock(UnblockOne unblock_one)
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{
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ScopedSpinLock lock(m_lock);
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do_unblock(unblock_one);
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return do_unblock(unblock_one);
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}
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template<typename UnblockOne>
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void do_unblock(UnblockOne unblock_one)
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{
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ASSERT(m_lock.is_locked());
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for (size_t i = 0; i < m_blockers.size();) {
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auto& info = m_blockers[i];
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if (unblock_one(*info.blocker, info.data)) {
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m_blockers.remove(i);
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continue;
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}
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i++;
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}
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}
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template<typename UnblockOne>
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bool unblock_some(UnblockOne unblock_one)
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{
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ScopedSpinLock lock(m_lock);
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return do_unblock_some(unblock_one);
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}
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template<typename UnblockOne>
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bool do_unblock_some(UnblockOne unblock_one)
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bool do_unblock(UnblockOne unblock_one)
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{
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ASSERT(m_lock.is_locked());
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bool stop_iterating = false;
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@ -443,27 +421,6 @@ public:
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return !stop_iterating;
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}
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template<typename UnblockOne>
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bool unblock_all(UnblockOne unblock_one)
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{
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ScopedSpinLock lock(m_lock);
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return do_unblock_all(unblock_one);
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}
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template<typename UnblockOne>
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bool do_unblock_all(UnblockOne unblock_one)
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{
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ASSERT(m_lock.is_locked());
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bool unblocked_any = false;
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for (auto& info : m_blockers) {
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bool did_unblock = unblock_one(*info.blocker, info.data);
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unblocked_any |= did_unblock;
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ASSERT(did_unblock);
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}
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m_blockers.clear();
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return unblocked_any;
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}
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virtual bool should_add_blocker(Blocker&, void*) { return true; }
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SpinLock<u8> m_lock;
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@ -1167,7 +1124,7 @@ private:
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private:
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void do_unblock_joiner()
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{
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do_unblock_all([&](Blocker& b, void*) {
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do_unblock([&](Blocker& b, void*, bool&) {
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ASSERT(b.blocker_type() == Blocker::Type::Join);
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auto& blocker = static_cast<JoinBlocker&>(b);
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return blocker.unblock(exit_value(), false);
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