diff options
| -rw-r--r-- | src/core/hle/kernel/svc/svc_synchronization.cpp | 45 |
1 files changed, 29 insertions, 16 deletions
diff --git a/src/core/hle/kernel/svc/svc_synchronization.cpp b/src/core/hle/kernel/svc/svc_synchronization.cpp index 1a8f7e191..9e7bf9530 100644 --- a/src/core/hle/kernel/svc/svc_synchronization.cpp +++ b/src/core/hle/kernel/svc/svc_synchronization.cpp @@ -48,19 +48,15 @@ Result ResetSignal(Core::System& system, Handle handle) { return ResultInvalidHandle; } -/// Wait for the given handles to synchronize, timeout after the specified nanoseconds -Result WaitSynchronization(Core::System& system, s32* index, VAddr handles_address, s32 num_handles, - s64 nano_seconds) { - LOG_TRACE(Kernel_SVC, "called handles_address=0x{:X}, num_handles={}, nano_seconds={}", - handles_address, num_handles, nano_seconds); - +static Result WaitSynchronization(Core::System& system, int32_t* out_index, const Handle* handles, + int32_t num_handles, int64_t timeout_ns) { // Ensure number of handles is valid. - R_UNLESS(0 <= num_handles && num_handles <= ArgumentHandleCountMax, ResultOutOfRange); + R_UNLESS(0 <= num_handles && num_handles <= Svc::ArgumentHandleCountMax, ResultOutOfRange); + // Get the synchronization context. auto& kernel = system.Kernel(); + auto& handle_table = GetCurrentProcess(kernel).GetHandleTable(); std::vector<KSynchronizationObject*> objs(num_handles); - const auto& handle_table = GetCurrentProcess(kernel).GetHandleTable(); - Handle* handles = system.Memory().GetPointer<Handle>(handles_address); // Copy user handles. if (num_handles > 0) { @@ -68,21 +64,38 @@ Result WaitSynchronization(Core::System& system, s32* index, VAddr handles_addre R_UNLESS(handle_table.GetMultipleObjects<KSynchronizationObject>(objs.data(), handles, num_handles), ResultInvalidHandle); - for (const auto& obj : objs) { - kernel.RegisterInUseObject(obj); - } } // Ensure handles are closed when we're done. SCOPE_EXIT({ - for (s32 i = 0; i < num_handles; ++i) { - kernel.UnregisterInUseObject(objs[i]); + for (auto i = 0; i < num_handles; ++i) { objs[i]->Close(); } }); - return KSynchronizationObject::Wait(kernel, index, objs.data(), static_cast<s32>(objs.size()), - nano_seconds); + // Wait on the objects. + Result res = KSynchronizationObject::Wait(kernel, out_index, objs.data(), + static_cast<s32>(objs.size()), timeout_ns); + + R_SUCCEED_IF(res == ResultSessionClosed); + R_RETURN(res); +} + +/// Wait for the given handles to synchronize, timeout after the specified nanoseconds +Result WaitSynchronization(Core::System& system, int32_t* out_index, VAddr user_handles, + int32_t num_handles, int64_t timeout_ns) { + LOG_TRACE(Kernel_SVC, "called user_handles={:#x}, num_handles={}, timeout_ns={}", user_handles, + num_handles, timeout_ns); + + // Ensure number of handles is valid. + R_UNLESS(0 <= num_handles && num_handles <= Svc::ArgumentHandleCountMax, ResultOutOfRange); + + std::vector<Handle> handles(num_handles); + if (num_handles > 0) { + system.Memory().ReadBlock(user_handles, handles.data(), num_handles * sizeof(Handle)); + } + + R_RETURN(WaitSynchronization(system, out_index, handles.data(), num_handles, timeout_ns)); } /// Resumes a thread waiting on WaitSynchronization |