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kernel: add KObjectName

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This commit is contained in:
Liam
2023-02-16 23:16:08 -05:00
parent 889bfce447
commit 1773a1039f
7 changed files with 265 additions and 3 deletions
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54
src/core/hle/kernel/svc/svc_port.cpp
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@ -5,6 +5,7 @@
#include "core/core.h"
#include "core/hle/kernel/k_client_port.h"
#include "core/hle/kernel/k_client_session.h"
#include "core/hle/kernel/k_object_name.h"
#include "core/hle/kernel/k_port.h"
#include "core/hle/kernel/k_process.h"
#include "core/hle/kernel/svc.h"
@ -74,10 +75,57 @@ Result ConnectToPort(Core::System& system, Handle* out_handle, Handle port) {
R_THROW(ResultNotImplemented);
}
Result ManageNamedPort(Core::System& system, Handle* out_server_handle, uint64_t name,
Result ManageNamedPort(Core::System& system, Handle* out_server_handle, uint64_t user_name,
int32_t max_sessions) {
UNIMPLEMENTED();
R_THROW(ResultNotImplemented);
// Copy the provided name from user memory to kernel memory.
std::array<char, KObjectName::NameLengthMax> name{};
system.Memory().ReadBlock(user_name, name.data(), sizeof(name));
// Validate that sessions and name are valid.
R_UNLESS(max_sessions >= 0, ResultOutOfRange);
R_UNLESS(name[sizeof(name) - 1] == '\x00', ResultOutOfRange);
if (max_sessions > 0) {
// Get the current handle table.
auto& handle_table = GetCurrentProcess(system.Kernel()).GetHandleTable();
// Create a new port.
KPort* port = KPort::Create(system.Kernel());
R_UNLESS(port != nullptr, ResultOutOfResource);
// Initialize the new port.
port->Initialize(max_sessions, false, "");
// Register the port.
KPort::Register(system.Kernel(), port);
// Ensure that our only reference to the port is in the handle table when we're done.
SCOPE_EXIT({
port->GetClientPort().Close();
port->GetServerPort().Close();
});
// Register the handle in the table.
R_TRY(handle_table.Add(out_server_handle, std::addressof(port->GetServerPort())));
ON_RESULT_FAILURE {
handle_table.Remove(*out_server_handle);
};
// Create a new object name.
R_TRY(KObjectName::NewFromName(system.Kernel(), std::addressof(port->GetClientPort()),
name.data()));
} else /* if (max_sessions == 0) */ {
// Ensure that this else case is correct.
ASSERT(max_sessions == 0);
// If we're closing, there's no server handle.
*out_server_handle = InvalidHandle;
// Delete the object.
R_TRY(KObjectName::Delete<KClientPort>(system.Kernel(), name.data()));
}
R_SUCCEED();
}
Result ConnectToNamedPort64(Core::System& system, Handle* out_handle, uint64_t name) {