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kern: SvcCreateSession, KDebug finalization

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Michael Scire 2020-07-19 20:06:21 -07:00 • committed by SciresM
parent 36eb78a3ce
commit 94f9cc1626
5 changed files with 151 additions and 8 deletions
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55
libraries/libmesosphere/source/svc/kern_svc_session.cpp
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@ -21,6 +21,57 @@ namespace ams::kern::svc {
namespace {
template<typename T>
Result CreateSession(ams::svc::Handle *out_server, ams::svc::Handle *out_client, uintptr_t name) {
/* Get the current process and handle table. */
auto &process = GetCurrentProcess();
auto &handle_table = process.GetHandleTable();
/* Reserve a new session from the process resource limit. */
KScopedResourceReservation session_reservation(std::addressof(process), ams::svc::LimitableResource_SessionCountMax);
R_UNLESS(session_reservation.Succeeded(), svc::ResultLimitReached());
/* Create a new session. */
T *session = T::Create();
R_UNLESS(session != nullptr, svc::ResultOutOfResource());
/* Initialize the session. */
session->Initialize(nullptr, name);
/* Commit the session reservation. */
session_reservation.Commit();
/* Ensure that we clean up the session (and its only references are handle table) on function end. */
ON_SCOPE_EXIT {
session->GetServerSession().Close();
session->GetClientSession().Close();
};
/* Register the session. */
R_TRY(T::Register(session));
/* Add the server session to the handle table. */
R_TRY(handle_table.Add(out_server, std::addressof(session->GetServerSession())));
/* Ensure that we maintaing a clean handle state on exit. */
auto handle_guard = SCOPE_GUARD { handle_table.Remove(*out_server); };
/* Add the client session to the handle table. */
R_TRY(handle_table.Add(out_client, std::addressof(session->GetClientSession())));
/* We succeeded! */
handle_guard.Cancel();
return ResultSuccess();
}
Result CreateSession(ams::svc::Handle *out_server, ams::svc::Handle *out_client, bool is_light, uintptr_t name) {
if (is_light) {
return CreateSession<KLightSession>(out_server, out_client, name);
} else {
return CreateSession<KSession>(out_server, out_client, name);
}
}
Result AcceptSession(ams::svc::Handle *out, ams::svc::Handle port_handle) {
/* Get the current handle table. */
auto &handle_table = GetCurrentProcess().GetHandleTable();
@ -57,7 +108,7 @@ namespace ams::kern::svc {
/* ============================= 64 ABI ============================= */
Result CreateSession64(ams::svc::Handle *out_server_session_handle, ams::svc::Handle *out_client_session_handle, bool is_light, ams::svc::Address name) {
MESOSPHERE_PANIC("Stubbed SvcCreateSession64 was called.");
return CreateSession(out_server_session_handle, out_client_session_handle, is_light, name);
}
Result AcceptSession64(ams::svc::Handle *out_handle, ams::svc::Handle port) {
@ -67,7 +118,7 @@ namespace ams::kern::svc {
/* ============================= 64From32 ABI ============================= */
Result CreateSession64From32(ams::svc::Handle *out_server_session_handle, ams::svc::Handle *out_client_session_handle, bool is_light, ams::svc::Address name) {
MESOSPHERE_PANIC("Stubbed SvcCreateSession64From32 was called.");
return CreateSession(out_server_session_handle, out_client_session_handle, is_light, name);
}
Result AcceptSession64From32(ams::svc::Handle *out_handle, ams::svc::Handle port) {