WaitObject: Renamed "Wait" to "ShouldWait", made "ShouldWait" and "Acquire" pure virtual.

src/core/hle/kernel/event.cpp

@@ -28,7 +28,7 @@ public:
     bool signaled;                          ///< Whether the event has already been signaled
     std::string name;                       ///< Name of event (optional)
 
-    ResultVal<bool> Wait() override {
+    ResultVal<bool> ShouldWait() override {
         return MakeResult<bool>(!signaled);
     }
 

src/core/hle/kernel/kernel.h

@@ -117,22 +117,16 @@ class WaitObject : public Object {
 public:
 
     /**
-     * Check if this object is available
+     * Check if the current thread should wait until the object is available
      * @return True if the current thread should wait due to this object being unavailable
      */
-    virtual ResultVal<bool> Wait() {
-        LOG_ERROR(Kernel, "(UNIMPLEMENTED)");
-        return UnimplementedFunction(ErrorModule::Kernel);
-    }
+    virtual ResultVal<bool> ShouldWait() = 0;
 
     /**
-     * Acquire/lock the this object if it is available
+     * Acquire/lock the object if it is available
      * @return True if we were able to acquire this object, otherwise false
      */
-    virtual ResultVal<bool> Acquire() {
-        LOG_ERROR(Kernel, "(UNIMPLEMENTED)");
-        return UnimplementedFunction(ErrorModule::Kernel);
-    }
+    virtual ResultVal<bool> Acquire() = 0;
 
     /**
      * Add a thread to wait on this object

src/core/hle/kernel/mutex.cpp

@@ -27,7 +27,7 @@ public:
     std::string name;                           ///< Name of mutex (optional)
     SharedPtr<Thread> current_thread;           ///< Thread that has acquired the mutex
 
-    ResultVal<bool> Wait() override;
+    ResultVal<bool> ShouldWait() override;
     ResultVal<bool> Acquire() override;
 };
 
@@ -159,7 +159,7 @@ Handle CreateMutex(bool initial_locked, const std::string& name) {
     return handle;
 }
 
-ResultVal<bool> Mutex::Wait() {
+ResultVal<bool> Mutex::ShouldWait() {
     return MakeResult<bool>(locked && (current_thread != GetCurrentThread()));
 }
 

src/core/hle/kernel/semaphore.cpp

@@ -32,7 +32,7 @@ public:
         return available_count > 0;
     }
 
-    ResultVal<bool> Wait() override {
+    ResultVal<bool> ShouldWait() override {
         return MakeResult<bool>(!IsAvailable());
     }
 

src/core/hle/kernel/session.h

@@ -54,11 +54,16 @@ public:
      */
     virtual ResultVal<bool> SyncRequest() = 0;
 
-    ResultVal<bool> Wait() override {
-        // TODO(bunnei): This function exists to satisfy a hardware test with a Session object
-        // passed into WaitSynchronization. Not sure if it's possible for this to ever be false?
+    // TODO(bunnei): These functions exist to satisfy a hardware test with a Session object
+    // passed into WaitSynchronization. Figure out the meaning of them.
+
+    ResultVal<bool> ShouldWait() override {
         return MakeResult<bool>(true);
     }
+
+    ResultVal<bool> Acquire() override {
+        return MakeResult<bool>(false);
+    }
 };
 
 }

src/core/hle/kernel/thread.cpp

@@ -22,7 +22,7 @@
 
 namespace Kernel {
 
-ResultVal<bool> Thread::Wait() {
+ResultVal<bool> Thread::ShouldWait() {
     return MakeResult<bool>(status != THREADSTATUS_DORMANT);
 }
 
@@ -269,7 +269,7 @@ void Thread::ReleaseWaitObject(WaitObject* wait_object) {
 
     // Iterate through all waiting objects to check availability...
     for (auto itr = wait_objects.begin(); itr != wait_objects.end(); ++itr) {
-        auto res = (*itr)->Wait();
+        auto res = (*itr)->ShouldWait();
 
         if (*res && res.Succeeded())
             wait_all_failed = true;

src/core/hle/kernel/thread.h

@@ -58,7 +58,7 @@ public:
     inline bool IsSuspended() const { return (status & THREADSTATUS_SUSPEND) != 0; }
     inline bool IsIdle() const { return idle; }
 
-    ResultVal<bool> Wait() override;
+    ResultVal<bool> ShouldWait() override;
     ResultVal<bool> Acquire() override;
 
     s32 GetPriority() const { return current_priority; }

src/core/hle/kernel/timer.cpp

@@ -29,7 +29,7 @@ public:
     u64 initial_delay;                      ///< The delay until the timer fires for the first time
     u64 interval_delay;                     ///< The delay until the timer fires after the first time
 
-    ResultVal<bool> Wait() override {
+    ResultVal<bool> ShouldWait() override {
         return MakeResult<bool>(!signaled);
     }
 

src/core/hle/svc.cpp

@@ -122,7 +122,7 @@ static Result WaitSynchronization1(Handle handle, s64 nano_seconds) {
     LOG_TRACE(Kernel_SVC, "called handle=0x%08X(%s:%s), nanoseconds=%lld", handle,
             object->GetTypeName().c_str(), object->GetName().c_str(), nano_seconds);
 
-    ResultVal<bool> wait = object->Wait();
+    ResultVal<bool> wait = object->ShouldWait();
 
     // Check for next thread to schedule
     if (wait.Succeeded() && *wait) {
@@ -167,7 +167,7 @@ static Result WaitSynchronizationN(s32* out, Handle* handles, s32 handle_count,
             if (object == nullptr)
                 return InvalidHandle(ErrorModule::Kernel).raw;
 
-            ResultVal<bool> wait = object->Wait();
+            ResultVal<bool> wait = object->ShouldWait();
 
             // Check if the current thread should wait on this object...
             if (wait.Succeeded() && *wait) {