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kern: implement SvcCancelSynchronization
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parent
5b8a20dbf7
commit
26df56cd87
3 changed files with 35 additions and 2 deletions
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@ -390,6 +390,8 @@ namespace ams::kern {
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return this->wait_result;
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}
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void WaitCancel();
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bool IsWaitCancelled() const { return this->wait_cancelled; }
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void ClearWaitCancelled() { this->wait_cancelled = false; }
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@ -439,6 +439,27 @@ namespace ams::kern {
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}
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}
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void KThread::WaitCancel() {
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MESOSPHERE_ASSERT_THIS();
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KScopedSchedulerLock sl;
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/* Check if we're waiting and cancellable. */
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if (this->GetState() == ThreadState_Waiting && this->cancellable) {
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if (this->sleeping_queue != nullptr) {
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/* TODO: Cancel light IPC. */
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MESOSPHERE_UNIMPLEMENTED();
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} else {
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this->SetSyncedObject(nullptr, svc::ResultCancelled());
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this->SetState(ThreadState_Runnable);
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this->wait_cancelled = false;
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}
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} else {
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/* Otherwise, note that we cancelled a wait. */
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this->wait_cancelled = true;
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}
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}
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void KThread::TrySuspend() {
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MESOSPHERE_ASSERT_THIS();
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MESOSPHERE_ASSERT(KScheduler::IsSchedulerLockedByCurrentThread());
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@ -102,6 +102,16 @@ namespace ams::kern::svc {
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return ResultSuccess();
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}
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Result CancelSynchronization(ams::svc::Handle handle) {
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/* Get the thread from its handle. */
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KScopedAutoObject thread = GetCurrentProcess().GetHandleTable().GetObject<KThread>(handle);
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R_UNLESS(thread.IsNotNull(), svc::ResultInvalidHandle());
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/* Cancel the thread's wait. */
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thread->WaitCancel();
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return ResultSuccess();
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}
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}
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/* ============================= 64 ABI ============================= */
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@ -119,7 +129,7 @@ namespace ams::kern::svc {
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}
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Result CancelSynchronization64(ams::svc::Handle handle) {
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MESOSPHERE_PANIC("Stubbed SvcCancelSynchronization64 was called.");
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return CancelSynchronization(handle);
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}
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void SynchronizePreemptionState64() {
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@ -141,7 +151,7 @@ namespace ams::kern::svc {
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}
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Result CancelSynchronization64From32(ams::svc::Handle handle) {
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MESOSPHERE_PANIC("Stubbed SvcCancelSynchronization64From32 was called.");
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return CancelSynchronization(handle);
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}
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void SynchronizePreemptionState64From32() {
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