ProcessManager: Implement almost all of pm:shell

stratosphere/pm/source/pm_registration.cpp

@@ -39,6 +39,24 @@ static u64 g_resource_limits[3][5] = {
 
 static Handle g_resource_limit_handles[3] = {0};
 
+Registration::AutoProcessListLock::AutoProcessListLock() {
+    g_process_list.Lock();
+    this->has_lock = true;
+}
+
+Registration::AutoProcessListLock::~AutoProcessListLock() {
+    if (this->has_lock) {
+        this->Unlock();
+    }
+}
+
+void Registration::AutoProcessListLock::Unlock() {
+    if (this->has_lock) {
+        g_process_list.Unlock();
+    }
+    this->has_lock = false;
+}
+
 void Registration::InitializeSystemResources() {
     g_process_event = new SystemEvent(&IEvent::PanicCallback);
     g_debug_title_event = new SystemEvent(&IEvent::PanicCallback);
@@ -124,7 +142,7 @@ void Registration::HandleProcessLaunch() {
     
     /* Get the resource limit handle, ensure that we can launch the program. */
     if ((program_info.application_type & 3) == 1) {
-        if (HasApplicationProcess()) {
+        if (HasApplicationProcess(NULL)) {
             rc = 0xA0F;
             goto HANDLE_PROCESS_LAUNCH_END;
         }
@@ -310,8 +328,8 @@ void Registration::HandleSignaledProcess(Process *process) {
 }
 
 void Registration::FinalizeExitedProcess(Process *process) {
+    AutoProcessListLock auto_lock;
     bool signal_debug_process_5x = kernelAbove500() && process->flags & 1;
-    g_process_list.Lock();
     /* Unregister with FS. */
     if (R_FAILED(fsprUnregisterProgram(process->pid))) {
         /* TODO: Panic. */
@@ -338,20 +356,20 @@ void Registration::FinalizeExitedProcess(Process *process) {
     /* Remove NOTE: This probably frees process. */
     RemoveProcessFromList(process->pid);
 
-    g_process_list.Unlock();
+    auto_lock.Unlock();
     if (signal_debug_process_5x) {
         g_process_event->signal_event();
     }
 }
 
 void Registration::AddProcessToList(Process *process) {
-    g_process_list.Lock();
+    AutoProcessListLock auto_lock;
     g_process_list.process_waiters.push_back(new ProcessWaiter(process));
-    g_process_list.Unlock();
 }
 
 void Registration::RemoveProcessFromList(u64 pid) {
-    g_process_list.Lock();
+    AutoProcessListLock auto_lock;
+    
     /* Remove process from list. */
     for (unsigned int i = 0; i < g_process_list.process_waiters.size(); i++) {
         ProcessWaiter *pw = g_process_list.process_waiters[i];
@@ -363,36 +381,120 @@ void Registration::RemoveProcessFromList(u64 pid) {
             break;
         }
     }
-    g_process_list.Unlock();
 }
 
 void Registration::SetProcessState(u64 pid, ProcessState new_state) {
-    g_process_list.Lock();
+    AutoProcessListLock auto_lock;
+    
     /* Set process state. */
-    for (unsigned int i = 0; i < g_process_list.process_waiters.size(); i++) {
+    for (auto &pw : g_process_list.process_waiters) {
-        ProcessWaiter *pw = g_process_list.process_waiters[i];
         Registration::Process *process = pw->get_process();
         if (process->pid == pid) {      
             process->state = new_state;
             break;
         }
     }
-    g_process_list.Unlock();
 }
 
-bool Registration::HasApplicationProcess() {
+bool Registration::HasApplicationProcess(Process **out) {
-    bool has_app = false;
+    AutoProcessListLock auto_lock;
-    g_process_list.Lock();
     
     for (auto &pw : g_process_list.process_waiters) {
-        if (pw->get_process()->flags & 0x40) {
+        Registration::Process *process = pw->get_process();
-            has_app = true;
+        if (process->flags & 0x40) {
-            break;
+            if (out != NULL) {
+                *out = process;
+            }
+            return true;
         }
     }
     
-    g_process_list.Unlock();
+    return false;
-    return has_app;
+}
+
+Registration::Process *Registration::GetProcess(u64 pid) {
+    AutoProcessListLock auto_lock;
+    
+    for (auto &pw : g_process_list.process_waiters) {
+        Process *p = pw->get_process();
+        if (p->pid == pid) {
+            return p;
+        }
+    }
+    
+    return NULL;
+}
+
+Registration::Process *Registration::GetProcessByTitleId(u64 tid) {
+    AutoProcessListLock auto_lock;
+    
+    for (auto &pw : g_process_list.process_waiters) {
+        Process *p = pw->get_process();
+        if (p->tid_sid.title_id == tid) {
+            return p;
+        }
+    }
+    
+    return NULL;
+}
+
+Handle Registration::GetProcessEventHandle() {
+    return g_process_event->get_handle();
+}
+
+void Registration::GetProcessEventType(u64 *out_pid, u64 *out_type) {
+    AutoProcessListLock auto_lock;
+    
+    for (auto &pw : g_process_list.process_waiters) {
+        Process *p = pw->get_process();
+        if (kernelAbove200() && p->state >= ProcessState_DebugDetached && p->flags & 0x100) {
+            p->flags &= ~0x100;
+            *out_pid = p->pid;
+            *out_type = kernelAbove500() ? 2 : 5;
+            return;
+        }
+        if (p->flags & 0x10) {
+            p->flags &= ~0x10;
+            *out_pid = p->pid;
+            *out_type = kernelAbove500() ? (((p->flags >> 5) & 1) | 4) : (((p->flags >> 5) & 1) + 3);
+            return;
+        }
+        if (p->flags & 2) {
+            *out_pid = p->pid;
+            *out_type = kernelAbove500() ? 3 : 1;
+            return;
+        }
+        if (!kernelAbove500() && p->flags & 1 && p->state == ProcessState_Exited) {
+            *out_pid = p->pid;
+            *out_type = 2;
+            return;
+        }
+    }
+    if (kernelAbove500()) {
+        auto_lock.Unlock();
+        g_dead_process_list.Lock();
+        if (g_dead_process_list.process_waiters.size()) {
+            ProcessWaiter *pw = g_dead_process_list.process_waiters[0];
+            Registration::Process *process = pw->get_process();
+            g_dead_process_list.process_waiters.erase(g_dead_process_list.process_waiters.begin());
+            *out_pid = process->pid;
+            *out_type = 1;
+            delete pw;
+            g_dead_process_list.Unlock();
+            return;
+        }
+        g_dead_process_list.Unlock();
+    }
+    *out_pid = 0;
+    *out_type = 0;
+}
+
+Handle Registration::GetDebugTitleEventHandle() {
+    return g_debug_title_event->get_handle();
+}
+
+Handle Registration::GetDebugApplicationEventHandle() {
+    return g_debug_application_event->get_handle();
 }
 
 void Registration::EnsureApplicationResourcesAvailable() {

stratosphere/pm/source/pm_registration.hpp

@@ -31,7 +31,15 @@ class Registration {
             u64* out_pid;
             Result result;
         };
-        
+        class AutoProcessListLock {
+            private:
+                bool has_lock;
+            public:
+                AutoProcessListLock();
+                ~AutoProcessListLock();
+                void Unlock();
+        };
+                
         static void InitializeSystemResources();
         static IWaitable *GetProcessLaunchStartEvent();
         static Result ProcessLaunchStartCallback(Handle *handles, size_t num_handles, u64 timeout);
@@ -44,12 +52,19 @@ class Registration {
         static void RemoveProcessFromList(u64 pid);
         static void SetProcessState(u64 pid, ProcessState new_state);
         
+        static Process *GetProcess(u64 pid);
+        static Process *GetProcessByTitleId(u64 tid);
+        static Handle GetProcessEventHandle();
+        static void GetProcessEventType(u64 *out_pid, u64 *out_type);
+        static Handle GetDebugTitleEventHandle();
+        static Handle GetDebugApplicationEventHandle();
+        
         static void HandleProcessLaunch();
         static void SignalFinishLaunchProcess();
         static Result LaunchProcess(u64 title_id, FsStorageId storage_id, u64 launch_flags, u64 *out_pid);
         static Result LaunchProcessByTidSid(TidSid tid_sid, u64 launch_flags, u64 *out_pid);
         
-        static bool HasApplicationProcess();
+        static bool HasApplicationProcess(Process **out);
         static void EnsureApplicationResourcesAvailable();
 };
 

stratosphere/pm/source/pm_shell.cpp

@@ -50,7 +50,7 @@ Result ShellService::dispatch(IpcParsedCommand &r, IpcCommand &out_c, u64 cmd_id
             case Shell_Cmd_GetProcessEventType:
                 rc = WrapIpcCommandImpl<&ShellService::get_process_event_type>(this, r, out_c, pointer_buffer, pointer_buffer_size);
                 break;
-            case Shell_Cmd_FinalizeDeadProcess:
+            case Shell_Cmd_FinalizeExitedProcess:
                 rc = WrapIpcCommandImpl<&ShellService::finalize_dead_process>(this, r, out_c, pointer_buffer, pointer_buffer_size);
                 break;
             case Shell_Cmd_ClearProcessNotificationFlag:
@@ -78,55 +78,93 @@ Result ShellService::handle_deferred() {
 }
 
 std::tuple<Result, u64> launch_process(u64 launch_flags, Registration::TidSid tid_sid) {
-    /* TODO */
+    u64 pid = 0;
-    return {0xF601, 0};
+    Result rc = Registration::LaunchProcessByTidSid(tid_sid, launch_flags, &pid);
+    return {rc, pid};
 }
 
 std::tuple<Result> terminate_process_id(u64 pid) {
-    /* TODO */
+    Registration::AutoProcessListLock auto_lock;
-    return {0xF601};
+    
+    Registration::Process *proc = Registration::GetProcess(pid);
+    if (proc != NULL) {
+        return {svcCloseHandle(proc->handle)};
+    } else {
+        return {0x20F};
+    }
 }
 
 std::tuple<Result> terminate_title_id(u64 tid) {
-    /* TODO */
+    Registration::AutoProcessListLock auto_lock;
-    return {0xF601};
+    
+    Registration::Process *proc = Registration::GetProcessByTitleId(tid);
+    if (proc != NULL) {
+        return {svcCloseHandle(proc->handle)};
+    } else {
+        return {0x20F};
+    }
 }
 
 std::tuple<Result, CopiedHandle> get_process_wait_event() {
-    /* TODO */
+    return {0x0, Registration::GetProcessEventHandle()};
-    return {0xF601, 0};
 }
 
 std::tuple<Result, u64, u64> get_process_event_type() {
-    /* TODO */
+    u64 type, pid;
-    return {0xF601, 0, 0};
+    Registration::GetProcessEventType(&pid, &type);
+    return {0x0, type, pid};
 }
 
-std::tuple<Result> finalize_dead_process(u64 pid) {
+std::tuple<Result> finalize_exited_process(u64 pid) {
-    /* TODO */
+    Registration::AutoProcessListLock auto_lock;
-    return {0xF601};
+    
+    Registration::Process *proc = Registration::GetProcess(pid);
+    if (proc == NULL) {
+        return {0x20F};
+    } else if (proc->state != ProcessState_Exited) {
+        return {0x60F};
+    } else {
+        Registration::FinalizeExitedProcess(proc);
+        return {0x0};
+    }
 }
 
 std::tuple<Result> clear_process_notification_flag(u64 pid) {
-    /* TODO */
+    Registration::AutoProcessListLock auto_lock;
-    return {0xF601};
+    
+    Registration::Process *proc = Registration::GetProcess(pid);
+    if (proc != NULL) {
+        proc->flags &= ~2;
+        return {0x0};
+    } else {
+        return {0x20F};
+    }
 }
 
 std::tuple<Result> notify_boot_finished() {
-    u64 boot_pid;
+    u64 boot2_pid;
     if (!g_has_boot_finished) {
-        Registration::LaunchProcess(BOOT2_TITLE_ID, FsStorageId_NandSystem, 0, &boot_pid);
         g_has_boot_finished = true;
+        return {Registration::LaunchProcess(BOOT2_TITLE_ID, FsStorageId_NandSystem, 0, &boot2_pid)};
     }
     return {0};
 }
 
 std::tuple<Result, u64> get_application_process_id() {
-    /* TODO */
+    Registration::AutoProcessListLock auto_lock;
-    return {0xF601, 0};
+    
+    Registration::Process *app_proc;
+    if (Registration::HasApplicationProcess(&app_proc)) {
+        return {0, app_proc->pid};
+    }
+    return {0x20F, 0};
 }
 
 std::tuple<Result> boost_system_memory_resource_limit() {
+    if (!kernelAbove400()) {
+        return {0xF601};
+    }
+    
     /* TODO */
     return {0xF601};
 }

stratosphere/pm/source/pm_shell.hpp

@@ -12,7 +12,7 @@ enum ShellCmd {
     Shell_Cmd_TerminateTitleId = 2,
     Shell_Cmd_GetProcessWaitEvent = 3,
     Shell_Cmd_GetProcessEventType = 4,
-    Shell_Cmd_FinalizeDeadProcess = 5,
+    Shell_Cmd_FinalizeExitedProcess = 5,
     Shell_Cmd_ClearProcessNotificationFlag = 6,
     Shell_Cmd_NotifyBootFinished = 7,
     Shell_Cmd_GetApplicationProcessId = 8,