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Stratosphere: Implement support for deferred commands. Finish sm GetService()'s deferred path.

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This commit is contained in:
Michael Scire 2018-04-22 03:02:08 -06:00
parent 809090e40d
commit 674528b246
16 changed files with 137 additions and 27 deletions
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16
stratosphere/sm/source/sm_user_service.cpp
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@ -1,4 +1,5 @@
#include <switch.h>
#include <stratosphere/servicesession.hpp>
#include "sm_user_service.hpp"
#include "sm_registration.hpp"
@ -24,6 +25,11 @@ Result UserService::dispatch(IpcParsedCommand &r, IpcCommand &out_c, u64 cmd_id,
return rc;
}
Result UserService::handle_deferred() {
/* If we're deferred, GetService failed. */
return WrapDeferredIpcCommandImpl<&UserService::deferred_get_service>(this, this->deferred_service);
}
std::tuple<Result> UserService::initialize(PidDescriptor pid) {
this->pid = pid.pid;
@ -37,6 +43,16 @@ std::tuple<Result, MovedHandle> UserService::get_service(u64 service) {
if (this->has_initialized) {
rc = Registration::GetServiceForPid(this->pid, service, &session_h);
}
/* It's possible that this will end up deferring us...take that into account. */
if (rc == RESULT_DEFER_SESSION) {
this->deferred_service = service;
}
return std::make_tuple(rc, MovedHandle{session_h});
}
std::tuple<Result, MovedHandle> UserService::deferred_get_service(u64 service) {
Handle session_h = 0;
Result rc = Registration::GetServiceHandle(service, &session_h);
return std::make_tuple(rc, MovedHandle{session_h});
}