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GSP: Return the correct result code if AcquireRight is called multiple times from the same thread.

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This commit is contained in:
Subv 2017-12-21 15:09:03 -05:00
parent 68fc3b36e6
commit fbef978b98
1 changed files with 13 additions and 5 deletions
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18
src/core/hle/service/gsp/gsp_gpu.cpp
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@ -649,17 +649,25 @@ void GSP_GPU::AcquireRight(Kernel::HLERequestContext& ctx) {
u32 flag = rp.Pop<u32>();
auto process = rp.PopObject<Kernel::Process>();
SessionData* session_data = GetSessionData(ctx.Session());
LOG_WARNING(Service_GSP, "called flag=%08X process=%u thread_id=%u", flag, process->process_id,
session_data->thread_id);
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
if (active_thread_id == session_data->thread_id) {
rb.Push(ResultCode(ErrorDescription::AlreadyDone, ErrorModule::GX, ErrorSummary::Success,
ErrorLevel::Success));
return;
}
// TODO(Subv): This case should put the caller thread to sleep until the right is released.
ASSERT_MSG(active_thread_id == -1, "GPU right has already been acquired");
SessionData* session_data = GetSessionData(ctx.Session());
active_thread_id = session_data->thread_id;
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(RESULT_SUCCESS);
LOG_WARNING(Service_GSP, "called flag=%08X process=%u thread_id=%u", flag, process->process_id,
active_thread_id);
}
void GSP_GPU::ReleaseRight(Kernel::HLERequestContext& ctx) {