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Kernel: change owner_process in Thread/SharedMemory to raw pointer 

Otherwise circular ownership would form in Process->handle_table->thread->owner_process
This commit is contained in:
Weiyi Wang 2018-10-25 19:54:06 -04:00
parent 8d32843d68
commit e5c5d1ecce
6 changed files with 11 additions and 12 deletions
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4
src/core/hle/kernel/kernel.h
View File

@ -102,7 +102,7 @@ public:
*/
ResultVal<SharedPtr<Thread>> CreateThread(std::string name, VAddr entry_point, u32 priority,
u32 arg, s32 processor_id, VAddr stack_top,
SharedPtr<Process> owner_process);
Process* owner_process);
/**
* Creates a semaphore.
@ -156,7 +156,7 @@ public:
* linear heap.
* @param name Optional object name, used for debugging purposes.
*/
SharedPtr<SharedMemory> CreateSharedMemory(SharedPtr<Process> owner_process, u32 size,
SharedPtr<SharedMemory> CreateSharedMemory(Process* owner_process, u32 size,
MemoryPermission permissions,
MemoryPermission other_permissions,
VAddr address = 0,

2
src/core/hle/kernel/shared_memory.cpp
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@ -14,7 +14,7 @@ namespace Kernel {
SharedMemory::SharedMemory(KernelSystem& kernel) : Object(kernel) {}
SharedMemory::~SharedMemory() {}
SharedPtr<SharedMemory> KernelSystem::CreateSharedMemory(SharedPtr<Process> owner_process, u32 size,
SharedPtr<SharedMemory> KernelSystem::CreateSharedMemory(Process* owner_process, u32 size,
MemoryPermission permissions,
MemoryPermission other_permissions,
VAddr address, MemoryRegion region,

2
src/core/hle/kernel/shared_memory.h
View File

@ -58,7 +58,7 @@ public:
u8* GetPointer(u32 offset = 0);
/// Process that created this shared memory block.
SharedPtr<Process> owner_process;
Process* owner_process;
/// Address of shared memory block in the owner process if specified.
VAddr base_address;
/// Physical address of the shared memory block in the linear heap if no address was specified

8
src/core/hle/kernel/svc.cpp
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@ -785,9 +785,9 @@ static ResultCode CreateThread(Handle* out_handle, u32 priority, u32 entry_point
break;
}
CASCADE_RESULT(SharedPtr<Thread> thread,
Core::System::GetInstance().Kernel().CreateThread(
name, entry_point, priority, arg, processor_id, stack_top, current_process));
CASCADE_RESULT(SharedPtr<Thread> thread, Core::System::GetInstance().Kernel().CreateThread(
name, entry_point, priority, arg, processor_id,
stack_top, current_process.get()));
thread->context->SetFpscr(FPSCR_DEFAULT_NAN | FPSCR_FLUSH_TO_ZERO |
FPSCR_ROUND_TOZERO); // 0x03C00000
@ -1157,7 +1157,7 @@ static ResultCode CreateMemoryBlock(Handle* out_handle, u32 addr, u32 size, u32
region = current_process->flags.memory_region;
shared_memory = Core::System::GetInstance().Kernel().CreateSharedMemory(
current_process, size, static_cast<MemoryPermission>(my_permission),
current_process.get(), size, static_cast<MemoryPermission>(my_permission),
static_cast<MemoryPermission>(other_permission), addr, region);
CASCADE_RESULT(*out_handle, current_process->handle_table.Create(std::move(shared_memory)));

5
src/core/hle/kernel/thread.cpp
View File

@ -320,8 +320,7 @@ static void ResetThreadContext(const std::unique_ptr<ARM_Interface::ThreadContex
ResultVal<SharedPtr<Thread>> KernelSystem::CreateThread(std::string name, VAddr entry_point,
u32 priority, u32 arg, s32 processor_id,
VAddr stack_top,
SharedPtr<Process> owner_process) {
VAddr stack_top, Process* owner_process) {
// Check if priority is in ranged. Lowest priority -> highest priority id.
if (priority > ThreadPrioLowest) {
LOG_ERROR(Kernel_SVC, "Invalid thread priority: {}", priority);
@ -447,7 +446,7 @@ SharedPtr<Thread> SetupMainThread(KernelSystem& kernel, u32 entry_point, u32 pri
// Initialize new "main" thread
auto thread_res =
kernel.CreateThread("main", entry_point, priority, 0, owner_process->ideal_processor,
Memory::HEAP_VADDR_END, owner_process);
Memory::HEAP_VADDR_END, owner_process.get());
SharedPtr<Thread> thread = std::move(thread_res).Unwrap();

2
src/core/hle/kernel/thread.h
View File

@ -189,7 +189,7 @@ public:
/// Mutexes that this thread is currently waiting for.
boost::container::flat_set<SharedPtr<Mutex>> pending_mutexes;
SharedPtr<Process> owner_process; ///< Process that owns this thread
Process* owner_process; ///< Process that owns this thread
/// Objects that the thread is waiting on, in the same order as they were
// passed to WaitSynchronization1/N.