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Merge pull request #6156 from lioncash/lock-discard

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kernel: Mark lock helper classes as [[nodiscard]]
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bunnei 2021-04-09 21:42:26 -07:00 committed by GitHub
commit c6d2af16b5
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3 changed files with 12 additions and 9 deletions
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4
src/core/hle/kernel/k_scheduler.h
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@ -198,9 +198,9 @@ private:
Common::SpinLock guard{};
};
class KScopedSchedulerLock : KScopedLock<GlobalSchedulerContext::LockType> {
class [[nodiscard]] KScopedSchedulerLock : KScopedLock<GlobalSchedulerContext::LockType> {
public:
explicit KScopedSchedulerLock(KernelCore& kernel);
explicit KScopedSchedulerLock(KernelCore & kernel);
~KScopedSchedulerLock();
};

13
src/core/hle/kernel/k_scoped_lock.h
View file

@ -20,19 +20,22 @@ concept KLockable = !std::is_reference_v<T> && requires(T & t) {
};
template <typename T>
requires KLockable<T> class KScopedLock {
requires KLockable<T> class [[nodiscard]] KScopedLock {
public:
explicit KScopedLock(T* l) : lock_ptr(l) {
explicit KScopedLock(T * l) : lock_ptr(l) {
this->lock_ptr->Lock();
}
explicit KScopedLock(T& l) : KScopedLock(std::addressof(l)) { /* ... */
}
explicit KScopedLock(T & l) : KScopedLock(std::addressof(l)) {}
~KScopedLock() {
this->lock_ptr->Unlock();
}
KScopedLock(const KScopedLock&) = delete;
KScopedLock(KScopedLock&&) = delete;
KScopedLock& operator=(const KScopedLock&) = delete;
KScopedLock(KScopedLock &&) = delete;
KScopedLock& operator=(KScopedLock&&) = delete;
private:
T* lock_ptr;

4
src/core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h
View file

@ -15,9 +15,9 @@
namespace Kernel {
class KScopedSchedulerLockAndSleep {
class [[nodiscard]] KScopedSchedulerLockAndSleep {
public:
explicit KScopedSchedulerLockAndSleep(KernelCore& kernel, KThread* t, s64 timeout)
explicit KScopedSchedulerLockAndSleep(KernelCore & kernel, KThread * t, s64 timeout)
: kernel(kernel), thread(t), timeout_tick(timeout) {
// Lock the scheduler.
kernel.GlobalSchedulerContext().scheduler_lock.Lock();