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kern: implement KHandleTable, other cleanup

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This commit is contained in:
Michael Scire 2020-01-30 15:29:51 -08:00
parent d5a4c17ee7
commit 484f132651
41 changed files with 710 additions and 89 deletions
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21
libraries/libmesosphere/include/mesosphere/kern_k_auto_object.hpp
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@ -14,8 +14,7 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <vapours.hpp>
#include <mesosphere/kern_panic.hpp>
#include <mesosphere/kern_common.hpp>
#include <mesosphere/kern_k_typed_address.hpp>
#include <mesosphere/kern_k_class_token.hpp>
@ -74,14 +73,14 @@ namespace ams::kern {
public:
static KAutoObject *Create(KAutoObject *ptr);
public:
constexpr ALWAYS_INLINE explicit KAutoObject() : ref_count(0) { /* ... */ }
virtual ~KAutoObject() { /* ... */ }
constexpr ALWAYS_INLINE explicit KAutoObject() : ref_count(0) { MESOSPHERE_ASSERT_THIS(); }
virtual ~KAutoObject() { MESOSPHERE_ASSERT_THIS(); }
/* Destroy is responsible for destroying the auto object's resources when ref_count hits zero. */
virtual void Destroy() { /* ... */ }
virtual void Destroy() { MESOSPHERE_ASSERT_THIS(); }
/* Finalize is responsible for cleaning up resource, but does not destroy the object. */
virtual void Finalize() { /* ... */ }
virtual void Finalize() { MESOSPHERE_ASSERT_THIS(); }
virtual KProcess *GetOwner() const { return nullptr; }
@ -122,6 +121,8 @@ namespace ams::kern {
}
ALWAYS_INLINE bool Open() {
MESOSPHERE_ASSERT_THIS();
/* Atomically increment the reference count, only if it's positive. */
u32 cur_ref_count = this->ref_count.load(std::memory_order_acquire);
do {
@ -135,6 +136,8 @@ namespace ams::kern {
}
ALWAYS_INLINE void Close() {
MESOSPHERE_ASSERT_THIS();
/* Atomically decrement the reference count, not allowing it to become negative. */
u32 cur_ref_count = this->ref_count.load(std::memory_order_acquire);
do {
@ -189,7 +192,11 @@ namespace ams::kern {
}
public:
constexpr ALWAYS_INLINE KScopedAutoObject() : obj(nullptr) { /* ... */ }
constexpr ALWAYS_INLINE KScopedAutoObject(T *o) : obj(o) { /* ... */ }
constexpr ALWAYS_INLINE KScopedAutoObject(T *o) : obj(o) {
if (this->obj != nullptr) {
this->obj->Open();
}
}
ALWAYS_INLINE ~KScopedAutoObject() {
if (this->obj != nullptr) {
this->obj->Close();