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authorFernando Sahmkow <fsahmkow27@gmail.com>2019-11-16 11:05:39 -0400
committerFernandoS27 <fsahmkow27@gmail.com>2019-11-16 12:41:51 -0400
commit7d16b2d2ddd170a24cc09f258fbf2e56f34b009d (patch)
treea76350979c9df80abaeb271173b09f0fcf488070
parentbb31df62bb3430ed254a81859c44ff864b614e8e (diff)
Kernel: Correct Cancel Synchronization.
This commit corrects the behavior of cancel synchronization when the thread is running/ready and ensures the next wait is cancelled as it's suppose to.
-rw-r--r--src/core/hle/kernel/svc.cpp5
-rw-r--r--src/core/hle/kernel/thread.cpp7
-rw-r--r--src/core/hle/kernel/thread.h9
3 files changed, 19 insertions, 2 deletions
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp
index c63a9ba8bb..b2cef3be99 100644
--- a/src/core/hle/kernel/svc.cpp
+++ b/src/core/hle/kernel/svc.cpp
@@ -505,6 +505,11 @@ static ResultCode WaitSynchronization(Core::System& system, Handle* index, VAddr
return RESULT_TIMEOUT;
}
+ if (thread->IsSyncCancelled()) {
+ thread->SetSyncCancelled(false);
+ return ERR_SYNCHRONIZATION_CANCELED;
+ }
+
for (auto& object : objects) {
object->AddWaitingThread(thread);
}
diff --git a/src/core/hle/kernel/thread.cpp b/src/core/hle/kernel/thread.cpp
index 962530d2d2..538e479922 100644
--- a/src/core/hle/kernel/thread.cpp
+++ b/src/core/hle/kernel/thread.cpp
@@ -132,8 +132,11 @@ void Thread::ResumeFromWait() {
}
void Thread::CancelWait() {
- ASSERT(GetStatus() == ThreadStatus::WaitSynch);
- ClearWaitObjects();
+ if (GetSchedulingStatus() != ThreadSchedStatus::Paused) {
+ is_sync_cancelled = true;
+ return;
+ }
+ is_sync_cancelled = false;
SetWaitSynchronizationResult(ERR_SYNCHRONIZATION_CANCELED);
ResumeFromWait();
}
diff --git a/src/core/hle/kernel/thread.h b/src/core/hle/kernel/thread.h
index c9870873d5..25a6ed234e 100644
--- a/src/core/hle/kernel/thread.h
+++ b/src/core/hle/kernel/thread.h
@@ -440,6 +440,14 @@ public:
is_running = value;
}
+ bool IsSyncCancelled() const {
+ return is_sync_cancelled;
+ }
+
+ void SetSyncCancelled(bool value) {
+ is_sync_cancelled = value;
+ }
+
private:
explicit Thread(KernelCore& kernel);
~Thread() override;
@@ -524,6 +532,7 @@ private:
u32 scheduling_state = 0;
bool is_running = false;
+ bool is_sync_cancelled = false;
std::string name;
};