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Merge pull request #4069 from B3n30/wait_for_service_register

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Service::SM: Wait till client is registered
This commit is contained in:
Weiyi Wang 2018-09-04 01:57:28 +03:00 committed by GitHub
commit ae6007bf9d
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2 changed files with 47 additions and 5 deletions
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49
src/core/hle/service/sm/srv.cpp
View File

@ -3,7 +3,6 @@
// Refer to the license.txt file included.
#include <tuple>
#include "common/common_types.h"
#include "common/logging/log.h"
#include "core/hle/ipc.h"
@ -11,10 +10,12 @@
#include "core/hle/kernel/client_port.h"
#include "core/hle/kernel/client_session.h"
#include "core/hle/kernel/errors.h"
#include "core/hle/kernel/event.h"
#include "core/hle/kernel/hle_ipc.h"
#include "core/hle/kernel/semaphore.h"
#include "core/hle/kernel/server_port.h"
#include "core/hle/kernel/server_session.h"
#include "core/hle/lock.h"
#include "core/hle/service/sm/sm.h"
#include "core/hle/service/sm/srv.h"
@ -99,12 +100,44 @@ void SRV::GetServiceHandle(Kernel::HLERequestContext& ctx) {
// TODO(yuriks): Permission checks go here
auto get_handle = [name, this](Kernel::SharedPtr<Kernel::Thread> thread,
Kernel::HLERequestContext& ctx, ThreadWakeupReason reason) {
LOG_ERROR(Service_SRV, "called service={} wakeup", name);
auto client_port = service_manager->GetServicePort(name);
auto session = client_port.Unwrap()->Connect();
if (session.Succeeded()) {
LOG_DEBUG(Service_SRV, "called service={} -> session={}", name,
(*session)->GetObjectId());
IPC::RequestBuilder rb(ctx, 0x5, 1, 2);
rb.Push(session.Code());
rb.PushMoveObjects(std::move(session).Unwrap());
} else if (session.Code() == Kernel::ERR_MAX_CONNECTIONS_REACHED) {
LOG_ERROR(Service_SRV, "called service={} -> ERR_MAX_CONNECTIONS_REACHED", name);
UNREACHABLE();
} else {
LOG_ERROR(Service_SRV, "called service={} -> error 0x{:08X}", name, session.Code().raw);
IPC::RequestBuilder rb(ctx, 0x5, 1, 0);
rb.Push(session.Code());
}
};
auto client_port = service_manager->GetServicePort(name);
if (client_port.Failed()) {
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(client_port.Code());
LOG_ERROR(Service_SRV, "called service={} -> error 0x{:08X}", name, client_port.Code().raw);
return;
if (wait_until_available && client_port.Code() == ERR_SERVICE_NOT_REGISTERED) {
LOG_INFO(Service_SRV, "called service={} delayed", name);
Kernel::SharedPtr<Kernel::Event> get_service_handle_event =
ctx.SleepClientThread(Kernel::GetCurrentThread(), "GetServiceHandle",
std::chrono::nanoseconds(-1), get_handle);
get_service_handle_delayed_map[name] = std::move(get_service_handle_event);
return;
} else {
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(client_port.Code());
LOG_ERROR(Service_SRV, "called service={} -> error 0x{:08X}", name,
client_port.Code().raw);
return;
}
}
auto session = client_port.Unwrap()->Connect();
@ -199,6 +232,12 @@ void SRV::RegisterService(Kernel::HLERequestContext& ctx) {
return;
}
auto it = get_service_handle_delayed_map.find(name);
if (it != get_service_handle_delayed_map.end()) {
it->second->Signal();
get_service_handle_delayed_map.erase(it);
}
IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
rb.Push(RESULT_SUCCESS);
rb.PushMoveObjects(port.Unwrap());

3
src/core/hle/service/sm/srv.h
View File

@ -4,6 +4,7 @@
#pragma once
#include <unordered_map>
#include "core/hle/kernel/kernel.h"
#include "core/hle/service/service.h"
@ -32,6 +33,8 @@ private:
std::shared_ptr<ServiceManager> service_manager;
Kernel::SharedPtr<Kernel::Semaphore> notification_semaphore;
std::unordered_map<std::string, Kernel::SharedPtr<Kernel::Event>>
get_service_handle_delayed_map;
};
} // namespace SM