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authorbunnei <bunneidev@gmail.com>2015-01-18 20:33:11 +0100
committerbunnei <bunneidev@gmail.com>2015-01-22 02:47:46 +0100
commit9412996c8f86f5da5a9052f7533b05e9780c4eb0 (patch)
treeaf0ddc0b464d92c7e13664f6f435c5de6c36301a /src/core/hle
parentSVC: Removed a Sleep that made no sense (diff)
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Diffstat (limited to 'src/core/hle')
-rw-r--r--src/core/hle/kernel/kernel.h71
-rw-r--r--src/core/hle/kernel/thread.cpp2
-rw-r--r--src/core/hle/kernel/thread.h2
-rw-r--r--src/core/hle/svc.cpp4
4 files changed, 59 insertions, 20 deletions
diff --git a/src/core/hle/kernel/kernel.h b/src/core/hle/kernel/kernel.h
index 5bf9a2bfc..a9a893f41 100644
--- a/src/core/hle/kernel/kernel.h
+++ b/src/core/hle/kernel/kernel.h
@@ -60,26 +60,34 @@ class Object : NonCopyable {
public:
virtual ~Object() {}
Handle GetHandle() const { return handle; }
+
virtual std::string GetTypeName() const { return "[BAD KERNEL OBJECT TYPE]"; }
virtual std::string GetName() const { return "[UNKNOWN KERNEL OBJECT]"; }
virtual Kernel::HandleType GetHandleType() const = 0;
/**
- * Check if this object is available
- * @return True if the current thread should wait due to this object being unavailable
+ * Check if a thread can wait on the object
+ * @return True if a thread can wait on the object, otherwise false
*/
- virtual ResultVal<bool> Wait() {
- LOG_ERROR(Kernel, "(UNIMPLEMENTED)");
- return UnimplementedFunction(ErrorModule::Kernel);
- }
+ bool IsWaitable() const {
+ switch (GetHandleType()) {
+ case HandleType::Event:
+ case HandleType::Mutex:
+ case HandleType::Thread:
+ case HandleType::Semaphore:
+ case HandleType::Timer:
+ return true;
+
+ case HandleType::Unknown:
+ case HandleType::Port:
+ case HandleType::SharedMemory:
+ case HandleType::Redirection:
+ case HandleType::Process:
+ case HandleType::AddressArbiter:
+ return false;
+ }
- /**
- * Acquire/lock the this 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);
+ return false;
}
private:
@@ -108,6 +116,24 @@ class WaitObject : public Object {
public:
/**
+ * Check if this 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);
+ }
+
+ /**
+ * Acquire/lock the this 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);
+ }
+
+ /**
* Add a thread to wait on this object
* @param thread Pointer to thread to add
*/
@@ -186,14 +212,14 @@ public:
/**
* Looks up a handle.
- * @returns Pointer to the looked-up object, or `nullptr` if the handle is not valid.
+ * @return Pointer to the looked-up object, or `nullptr` if the handle is not valid.
*/
SharedPtr<Object> GetGeneric(Handle handle) const;
/**
* Looks up a handle while verifying its type.
- * @returns Pointer to the looked-up object, or `nullptr` if the handle is not valid or its
- * type differs from the handle type `T::HANDLE_TYPE`.
+ * @return Pointer to the looked-up object, or `nullptr` if the handle is not valid or its
+ * type differs from the handle type `T::HANDLE_TYPE`.
*/
template <class T>
SharedPtr<T> Get(Handle handle) const {
@@ -204,6 +230,19 @@ public:
return nullptr;
}
+ /**
+ * Looks up a handle while verifying that it is an object that a thread can wait on
+ * @return Pointer to the looked-up object, or `nullptr` if the handle is not valid or it is
+ * not a waitable object.
+ */
+ SharedPtr<WaitObject> GetWaitObject(Handle handle) const {
+ SharedPtr<Object> object = GetGeneric(handle);
+ if (object != nullptr && object->IsWaitable()) {
+ return boost::static_pointer_cast<WaitObject>(std::move(object));
+ }
+ return nullptr;
+ }
+
/// Closes all handles held in this table.
void Clear();
diff --git a/src/core/hle/kernel/thread.cpp b/src/core/hle/kernel/thread.cpp
index 16865ccc4..271828ea7 100644
--- a/src/core/hle/kernel/thread.cpp
+++ b/src/core/hle/kernel/thread.cpp
@@ -210,7 +210,7 @@ void WaitCurrentThread_Sleep() {
ChangeThreadState(thread, ThreadStatus(THREADSTATUS_WAIT | (thread->status & THREADSTATUS_SUSPEND)));
}
-void WaitCurrentThread_WaitSynchronization(WaitObject* wait_object, bool wait_all) {
+void WaitCurrentThread_WaitSynchronization(SharedPtr<WaitObject> wait_object, bool wait_all) {
Thread* thread = GetCurrentThread();
thread->wait_all = wait_all;
thread->wait_address = 0;
diff --git a/src/core/hle/kernel/thread.h b/src/core/hle/kernel/thread.h
index 9907aa6e1..a3a17e6c0 100644
--- a/src/core/hle/kernel/thread.h
+++ b/src/core/hle/kernel/thread.h
@@ -136,7 +136,7 @@ void WaitCurrentThread_Sleep();
* @param wait_object Kernel object that we are waiting on
* @param wait_all If true, wait on all objects before resuming (for WaitSynchronizationN only)
*/
-void WaitCurrentThread_WaitSynchronization(WaitObject* wait_object, bool wait_all=false);
+void WaitCurrentThread_WaitSynchronization(SharedPtr<WaitObject> wait_object, bool wait_all = false);
/**
* Waits the current thread from an ArbitrateAddress call
diff --git a/src/core/hle/svc.cpp b/src/core/hle/svc.cpp
index 5e9c38973..8df861669 100644
--- a/src/core/hle/svc.cpp
+++ b/src/core/hle/svc.cpp
@@ -115,7 +115,7 @@ static Result CloseHandle(Handle handle) {
/// Wait for a handle to synchronize, timeout after the specified nanoseconds
static Result WaitSynchronization1(Handle handle, s64 nano_seconds) {
- Kernel::WaitObject* object = static_cast<Kernel::WaitObject*>(Kernel::g_handle_table.GetGeneric(handle).get());
+ auto object = Kernel::g_handle_table.GetWaitObject(handle);
if (object == nullptr)
return InvalidHandle(ErrorModule::Kernel).raw;
@@ -163,7 +163,7 @@ static Result WaitSynchronizationN(s32* out, Handle* handles, s32 handle_count,
if (handle_count != 0) {
bool selected = false; // True once an object has been selected
for (int i = 0; i < handle_count; ++i) {
- Kernel::WaitObject* object = static_cast<Kernel::WaitObject*>(Kernel::g_handle_table.GetGeneric(handles[i]).get());
+ auto object = Kernel::g_handle_table.GetWaitObject(handles[i]);
if (object == nullptr)
return InvalidHandle(ErrorModule::Kernel).raw;