diff options
| author | Lioncash <mathew1800@gmail.com> | 2018-12-04 15:11:18 -0500 |
|---|---|---|
| committer | Lioncash <mathew1800@gmail.com> | 2018-12-04 15:47:55 -0500 |
| commit | 2a1f59b3017d6937138bfeacd9c04339f7d1526d (patch) | |
| tree | dfff027340afbdd1d44498c02936528c1036e401 /src/core/hle/kernel/svc.cpp | |
| parent | 465f486160b59c72a85b0f75aca310647b38155c (diff) | |
kernel/svc: Implement svcCreateEvent()
svcCreateEvent operates by creating both a readable and writable event
and then attempts to add both to the current process' handle table.
If adding either of the events to the handle table fails, then the
relevant error from the handle table is returned.
If adding the readable event after the writable event to the table
fails, then the writable event is removed from the handle table and the
relevant error from the handle table is returned.
Note that since we do not currently test resource limits, we don't check
the resource limit table yet.
Diffstat (limited to 'src/core/hle/kernel/svc.cpp')
| -rw-r--r-- | src/core/hle/kernel/svc.cpp | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp index 812b320057..a0e3dc4706 100644 --- a/src/core/hle/kernel/svc.cpp +++ b/src/core/hle/kernel/svc.cpp @@ -1598,6 +1598,34 @@ static ResultCode CreateSharedMemory(Handle* handle, u64 size, u32 local_permiss return RESULT_SUCCESS; } +static ResultCode CreateEvent(Handle* write_handle, Handle* read_handle) { + LOG_DEBUG(Kernel_SVC, "called"); + + auto& kernel = Core::System::GetInstance().Kernel(); + const auto [readable_event, writable_event] = + WritableEvent::CreateEventPair(kernel, ResetType::Sticky, "CreateEvent"); + + HandleTable& handle_table = kernel.CurrentProcess()->GetHandleTable(); + + const auto write_create_result = handle_table.Create(writable_event); + if (write_create_result.Failed()) { + return write_create_result.Code(); + } + *write_handle = *write_create_result; + + const auto read_create_result = handle_table.Create(readable_event); + if (read_create_result.Failed()) { + handle_table.Close(*write_create_result); + return read_create_result.Code(); + } + *read_handle = *read_create_result; + + LOG_DEBUG(Kernel_SVC, + "successful. Writable event handle=0x{:08X}, Readable event handle=0x{:08X}", + *write_create_result, *read_create_result); + return RESULT_SUCCESS; +} + static ResultCode ClearEvent(Handle handle) { LOG_TRACE(Kernel_SVC, "called, event=0x{:08X}", handle); @@ -1806,7 +1834,7 @@ static const FunctionDef SVC_Table[] = { {0x42, nullptr, "ReplyAndReceiveLight"}, {0x43, nullptr, "ReplyAndReceive"}, {0x44, nullptr, "ReplyAndReceiveWithUserBuffer"}, - {0x45, nullptr, "CreateEvent"}, + {0x45, SvcWrap<CreateEvent>, "CreateEvent"}, {0x46, nullptr, "Unknown"}, {0x47, nullptr, "Unknown"}, {0x48, nullptr, "MapPhysicalMemoryUnsafe"}, |