Introduce service_manager, also fix hb:ldr pm/pm race condition
This commit is contained in:
parent
f72d99d9b0
commit
474eb3001b
@ -27,8 +27,5 @@
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#pragma once
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#pragma once
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#include <3ds/types.h>
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#include <3ds/types.h>
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#include "MyThread.h"
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MyThread *errDispCreateThread(void);
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void ERRF_HandleCommands(void *ctx);
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void errDispThreadMain(void);
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@ -33,6 +33,4 @@
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#define HBLDR_DEFAULT_3DSX_TID 0x000400000D921E00ULL
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#define HBLDR_DEFAULT_3DSX_TID 0x000400000D921E00ULL
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#define HBLDR_3DSX_TID (*(vu64 *)0x1FF81100)
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#define HBLDR_3DSX_TID (*(vu64 *)0x1FF81100)
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MyThread *hbldrCreateThread(void);
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void HBLDR_HandleCommands(void *ctx);
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void hbldrThreadMain(void);
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48
sysmodules/rosalina/include/service_manager.h
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48
sysmodules/rosalina/include/service_manager.h
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@ -0,0 +1,48 @@
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/*
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* This file is part of Luma3DS
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* Copyright (C) 2016-2019 Aurora Wright, TuxSH
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* Additional Terms 7.b and 7.c of GPLv3 apply to this file:
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* * Requiring preservation of specified reasonable legal notices or
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* author attributions in that material or in the Appropriate Legal
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* Notices displayed by works containing it.
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* * Prohibiting misrepresentation of the origin of that material,
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* or requiring that modified versions of such material be marked in
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* reasonable ways as different from the original version.
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*/
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#pragma once
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#include <3ds/types.h>
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typedef struct ServiceManagerServiceEntry {
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const char *name;
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u32 maxSessions;
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void (*handler)(void *ctx);
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bool isGlobalPort;
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} ServiceManagerServiceEntry;
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typedef struct ServiceManagerNotificationEntry {
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u32 id;
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void (*handler)(u32 id);
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} ServiceManagerNotificationEntry;
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typedef struct ServiceManagerContextAllocator {
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void* (*newSessionContext)(u8 serviceId);
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void (*freeSessionContext)(void *ctx);
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} ServiceManagerContextAllocator;
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Result ServiceManager_Run(const ServiceManagerServiceEntry *services, const ServiceManagerNotificationEntry *notifications, const ServiceManagerContextAllocator *allocator);
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@ -38,18 +38,8 @@ static inline void assertSuccess(Result res)
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svcBreak(USERBREAK_PANIC);
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svcBreak(USERBREAK_PANIC);
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}
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}
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static MyThread errDispThread;
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static u8 ALIGN(8) errDispThreadStack[0x2000];
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static char userString[0x100 + 1] = {0};
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static char userString[0x100 + 1] = {0};
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MyThread *errDispCreateThread(void)
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{
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if(R_FAILED(MyThread_Create(&errDispThread, errDispThreadMain, errDispThreadStack, 0x2000, 0x18, CORE_SYSTEM)))
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svcBreak(USERBREAK_PANIC);
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return &errDispThread;
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}
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static inline u32 ERRF_DisplayRegisterValue(u32 posX, u32 posY, const char *name, u32 value)
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static inline u32 ERRF_DisplayRegisterValue(u32 posX, u32 posY, const char *name, u32 value)
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{
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{
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return Draw_DrawFormattedString(posX, posY, COLOR_WHITE, "%-9s %08lx", name, value);
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return Draw_DrawFormattedString(posX, posY, COLOR_WHITE, "%-9s %08lx", name, value);
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@ -235,8 +225,9 @@ static Result ERRF_SaveErrorToFile(ERRF_FatalErrInfo *info)
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return res;
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return res;
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}
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}
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static void ERRF_HandleCommands(void)
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void ERRF_HandleCommands(void *ctx)
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{
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{
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(void)ctx;
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u32 *cmdbuf = getThreadCommandBuffer();
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u32 *cmdbuf = getThreadCommandBuffer();
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switch(cmdbuf[0] >> 16)
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switch(cmdbuf[0] >> 16)
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@ -289,64 +280,3 @@ static void ERRF_HandleCommands(void)
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}
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}
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}
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}
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}
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}
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void errDispThreadMain(void)
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{
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Handle handles[2];
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Handle serverHandle, clientHandle, sessionHandle = 0;
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u32 replyTarget = 0;
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s32 index;
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Result res;
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u32 *cmdbuf = getThreadCommandBuffer();
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assertSuccess(svcCreatePort(&serverHandle, &clientHandle, "err:f", 1));
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do
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{
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handles[0] = serverHandle;
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handles[1] = sessionHandle;
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if(replyTarget == 0) // k11
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cmdbuf[0] = 0xFFFF0000;
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res = svcReplyAndReceive(&index, handles, sessionHandle == 0 ? 1 : 2, replyTarget);
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if(R_FAILED(res))
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{
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if((u32)res == 0xC920181A) // session closed by remote
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{
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svcCloseHandle(sessionHandle);
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sessionHandle = 0;
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replyTarget = 0;
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}
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else
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svcBreak(USERBREAK_PANIC);
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}
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else
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{
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if(index == 0)
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{
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Handle session;
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assertSuccess(svcAcceptSession(&session, serverHandle));
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if(sessionHandle == 0)
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sessionHandle = session;
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else
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svcCloseHandle(session);
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}
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else
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{
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ERRF_HandleCommands();
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replyTarget = sessionHandle;
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}
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}
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}
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while(!terminationRequest);
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svcCloseHandle(sessionHandle);
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svcCloseHandle(clientHandle);
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svcCloseHandle(serverHandle);
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}
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@ -122,16 +122,8 @@ static inline void assertSuccess(Result res)
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svcBreak(USERBREAK_PANIC);
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svcBreak(USERBREAK_PANIC);
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}
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}
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static MyThread hbldrThread;
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static u8 ALIGN(8) hbldrThreadStack[THREAD_STACK_SIZE];
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static u16 hbldrTarget[PATH_MAX+1];
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static u16 hbldrTarget[PATH_MAX+1];
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MyThread *hbldrCreateThread(void)
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{
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assertSuccess(MyThread_Create(&hbldrThread, hbldrThreadMain, hbldrThreadStack, THREAD_STACK_SIZE, 0x18, CORE_SYSTEM));
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return &hbldrThread;
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}
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static inline void error(u32* cmdbuf, Result rc)
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static inline void error(u32* cmdbuf, Result rc)
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{
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{
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cmdbuf[0] = IPC_MakeHeader(0, 1, 0);
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cmdbuf[0] = IPC_MakeHeader(0, 1, 0);
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@ -149,8 +141,9 @@ static u16 *u16_strncpy(u16 *dest, const u16 *src, u32 size)
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return dest;
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return dest;
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}
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}
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static void HBLDR_HandleCommands(void)
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void HBLDR_HandleCommands(void *ctx)
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{
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{
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(void)ctx;
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Result res;
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Result res;
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IFile file;
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IFile file;
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u32 *cmdbuf = getThreadCommandBuffer();
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u32 *cmdbuf = getThreadCommandBuffer();
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@ -347,72 +340,3 @@ static void HBLDR_HandleCommands(void)
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}
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}
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}
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}
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}
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}
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void hbldrThreadMain(void)
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{
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Handle handles[2];
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Handle serverHandle, clientHandle, sessionHandle = 0;
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u32 replyTarget = 0;
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s32 index;
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char ipcBuf[PATH_MAX+1];
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u32* bufPtrs = getThreadStaticBuffers();
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memset(bufPtrs, 0, 16*2*4);
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bufPtrs[0] = IPC_Desc_StaticBuffer(sizeof(ipcBuf), 0);
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bufPtrs[1] = (u32)ipcBuf;
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bufPtrs[2] = IPC_Desc_StaticBuffer(sizeof(ldrArgvBuf), 1);
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bufPtrs[3] = (u32)ldrArgvBuf;
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Result res;
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u32 *cmdbuf = getThreadCommandBuffer();
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assertSuccess(svcCreatePort(&serverHandle, &clientHandle, "hb:ldr", 1));
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do
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{
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handles[0] = serverHandle;
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handles[1] = sessionHandle;
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if(replyTarget == 0) // k11
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cmdbuf[0] = 0xFFFF0000;
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res = svcReplyAndReceive(&index, handles, sessionHandle == 0 ? 1 : 2, replyTarget);
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if(R_FAILED(res))
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{
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if((u32)res == 0xC920181A) // session closed by remote
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{
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svcCloseHandle(sessionHandle);
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sessionHandle = 0;
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replyTarget = 0;
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}
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else
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svcBreak(USERBREAK_PANIC);
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}
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else
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{
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if(index == 0)
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{
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Handle session;
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assertSuccess(svcAcceptSession(&session, serverHandle));
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if(sessionHandle == 0)
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sessionHandle = session;
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else
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svcCloseHandle(session);
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}
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else
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{
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HBLDR_HandleCommands();
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replyTarget = sessionHandle;
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}
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}
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}
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while(!terminationRequest);
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svcCloseHandle(sessionHandle);
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svcCloseHandle(clientHandle);
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svcCloseHandle(serverHandle);
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}
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@ -29,8 +29,10 @@
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#include "services.h"
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#include "services.h"
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#include "fsreg.h"
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#include "fsreg.h"
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#include "menu.h"
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#include "menu.h"
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#include "service_manager.h"
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#include "errdisp.h"
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#include "errdisp.h"
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#include "hbloader.h"
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#include "hbloader.h"
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#include "3dsx.h"
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#include "utils.h"
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#include "utils.h"
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#include "MyThread.h"
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#include "MyThread.h"
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#include "menus/process_patches.h"
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#include "menus/process_patches.h"
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@ -67,7 +69,6 @@ void __ctru_exit()
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__libc_fini_array();
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__libc_fini_array();
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__appExit();
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__appExit();
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__sync_fini();
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__sync_fini();
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for(;;) svcSleepThread(0); // kernel-loaded sysmodules except PXI are not supposed to terminate anyways
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svcExitProcess();
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svcExitProcess();
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}
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}
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@ -105,46 +106,48 @@ void initSystem()
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bool terminationRequest = false;
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bool terminationRequest = false;
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Handle terminationRequestEvent;
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Handle terminationRequestEvent;
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int main(void)
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static void handleTermNotification(u32 notificationId)
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{
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Result res = 0;
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Handle notificationHandle;
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if(R_FAILED(srvEnableNotification(¬ificationHandle)))
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svcBreak(USERBREAK_ASSERT);
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if(R_FAILED(svcCreateEvent(&terminationRequestEvent, RESET_STICKY)))
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svcBreak(USERBREAK_ASSERT);
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MyThread *menuThread = menuCreateThread(), *errDispThread = errDispCreateThread(), *hbldrThread = hbldrCreateThread();
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MyThread *shellOpenThread = shellOpenCreateThread();
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do
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{
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res = svcWaitSynchronization(notificationHandle, -1LL);
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if(R_FAILED(res))
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continue;
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u32 notifId = 0;
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if(R_FAILED(srvReceiveNotification(¬ifId)))
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svcBreak(USERBREAK_ASSERT);
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if(notifId == 0x100)
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{
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{
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(void)notificationId;
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// Termination request
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// Termination request
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terminationRequest = true;
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terminationRequest = true;
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svcSignalEvent(terminationRequestEvent);
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svcSignalEvent(terminationRequestEvent);
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}
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}
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}
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while(!terminationRequest);
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static const ServiceManagerServiceEntry services[] = {
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{ "err:f", 1, ERRF_HandleCommands, true },
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{ "hb:ldr", 2, HBLDR_HandleCommands, true },
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{ NULL },
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};
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static const ServiceManagerNotificationEntry notifications[] = {
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{ 0x100, handleTermNotification },
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{ 0x000, NULL },
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};
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int main(void)
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{
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static u8 ipcBuf[0x100] = {0}; // used by both err:f and hb:ldr
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// Set up static buffers for IPC
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u32* bufPtrs = getThreadStaticBuffers();
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memset(bufPtrs, 0, 16 * 2 * 4);
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bufPtrs[0] = IPC_Desc_StaticBuffer(sizeof(ipcBuf), 0);
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bufPtrs[1] = (u32)ipcBuf;
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bufPtrs[2] = IPC_Desc_StaticBuffer(sizeof(ldrArgvBuf), 1);
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bufPtrs[3] = (u32)ldrArgvBuf;
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if(R_FAILED(svcCreateEvent(&terminationRequestEvent, RESET_STICKY)))
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svcBreak(USERBREAK_ASSERT);
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MyThread *menuThread = menuCreateThread();
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MyThread *shellOpenThread = shellOpenCreateThread();
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if (R_FAILED(ServiceManager_Run(services, notifications, NULL)))
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svcBreak(USERBREAK_PANIC);
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MyThread_Join(menuThread, -1LL);
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MyThread_Join(menuThread, -1LL);
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MyThread_Join(errDispThread, -1LL);
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MyThread_Join(hbldrThread, -1LL);
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MyThread_Join(shellOpenThread, -1LL);
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MyThread_Join(shellOpenThread, -1LL);
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svcCloseHandle(notificationHandle);
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return 0;
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return 0;
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}
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}
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166
sysmodules/rosalina/source/service_manager.c
Normal file
166
sysmodules/rosalina/source/service_manager.c
Normal file
@ -0,0 +1,166 @@
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/*
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* This file is part of Luma3DS
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* Copyright (C) 2016-2019 Aurora Wright, TuxSH
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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|
* GNU General Public License for more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU General Public License
|
||||||
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
*
|
||||||
|
* Additional Terms 7.b and 7.c of GPLv3 apply to this file:
|
||||||
|
* * Requiring preservation of specified reasonable legal notices or
|
||||||
|
* author attributions in that material or in the Appropriate Legal
|
||||||
|
* Notices displayed by works containing it.
|
||||||
|
* * Prohibiting misrepresentation of the origin of that material,
|
||||||
|
* or requiring that modified versions of such material be marked in
|
||||||
|
* reasonable ways as different from the original version.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <3ds.h>
|
||||||
|
#include "service_manager.h"
|
||||||
|
|
||||||
|
#define TRY(expr) if(R_FAILED(res = (expr))) goto cleanup;
|
||||||
|
|
||||||
|
Result ServiceManager_Run(const ServiceManagerServiceEntry *services, const ServiceManagerNotificationEntry *notifications, const ServiceManagerContextAllocator *allocator)
|
||||||
|
{
|
||||||
|
Result res = 0;
|
||||||
|
|
||||||
|
u32 numServices = 0;
|
||||||
|
u32 maxSessionsTotal = 0;
|
||||||
|
u32 numActiveSessions = 0;
|
||||||
|
bool terminationRequested = false;
|
||||||
|
|
||||||
|
for (u32 i = 0; services[i].name != NULL; i++) {
|
||||||
|
numServices++;
|
||||||
|
maxSessionsTotal += services[i].maxSessions;
|
||||||
|
}
|
||||||
|
|
||||||
|
Handle waitHandles[1 + numServices + maxSessionsTotal];
|
||||||
|
void *ctxs[maxSessionsTotal];
|
||||||
|
u8 handlerIds[maxSessionsTotal];
|
||||||
|
|
||||||
|
Handle replyTarget = 0;
|
||||||
|
s32 id = -1;
|
||||||
|
u32 *cmdbuf = getThreadCommandBuffer();
|
||||||
|
|
||||||
|
TRY(srvEnableNotification(&waitHandles[0]));
|
||||||
|
|
||||||
|
for (u32 i = 0; i < numServices; i++) {
|
||||||
|
if (!services[i].isGlobalPort) {
|
||||||
|
TRY(srvRegisterService(&waitHandles[1 + i], services[i].name, (s32)services[i].maxSessions));
|
||||||
|
} else {
|
||||||
|
Handle clientPort;
|
||||||
|
TRY(svcCreatePort(&waitHandles[1 + i], &clientPort, services[i].name, (s32)services[i].maxSessions));
|
||||||
|
svcCloseHandle(clientPort);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
while (!terminationRequested) {
|
||||||
|
if (replyTarget == 0) {
|
||||||
|
cmdbuf[0] = 0xFFFF0000;
|
||||||
|
}
|
||||||
|
|
||||||
|
id = -1;
|
||||||
|
res = svcReplyAndReceive(&id, waitHandles, 1 + numServices + numActiveSessions, replyTarget);
|
||||||
|
|
||||||
|
if (res == (Result)0xC920181A) {
|
||||||
|
// Session has been closed
|
||||||
|
u32 off;
|
||||||
|
if (id == -1) {
|
||||||
|
for (off = 0; off < numActiveSessions && waitHandles[1 + numServices + off] != replyTarget; off++);
|
||||||
|
if (off >= numActiveSessions) {
|
||||||
|
return res;
|
||||||
|
}
|
||||||
|
|
||||||
|
id = 1 + numServices + off;
|
||||||
|
} else if ((u32)id < 1 + numServices) {
|
||||||
|
return res;
|
||||||
|
}
|
||||||
|
|
||||||
|
off = id - 1 - numServices;
|
||||||
|
|
||||||
|
Handle h = waitHandles[id];
|
||||||
|
void *ctx = ctxs[off];
|
||||||
|
waitHandles[id] = waitHandles[1 + numServices + --numActiveSessions];
|
||||||
|
handlerIds[off] = handlerIds[numActiveSessions];
|
||||||
|
ctxs[off] = ctxs[numActiveSessions];
|
||||||
|
|
||||||
|
svcCloseHandle(h);
|
||||||
|
if (allocator != NULL) {
|
||||||
|
allocator->freeSessionContext(ctx);
|
||||||
|
}
|
||||||
|
|
||||||
|
replyTarget = 0;
|
||||||
|
res = 0;
|
||||||
|
} else if (R_FAILED(res)) {
|
||||||
|
return res;
|
||||||
|
}
|
||||||
|
|
||||||
|
else {
|
||||||
|
// Ok, no session closed and no error
|
||||||
|
replyTarget = 0;
|
||||||
|
if (id == 0) {
|
||||||
|
// Notification
|
||||||
|
u32 notificationId = 0;
|
||||||
|
TRY(srvReceiveNotification(¬ificationId));
|
||||||
|
terminationRequested = notificationId == 0x100;
|
||||||
|
|
||||||
|
for (u32 i = 0; notifications[i].handler != NULL; i++) {
|
||||||
|
if (notifications[i].id == notificationId) {
|
||||||
|
notifications[i].handler(notificationId);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
} else if ((u32)id < 1 + numServices) {
|
||||||
|
// New session
|
||||||
|
Handle session;
|
||||||
|
void *ctx = NULL;
|
||||||
|
TRY(svcAcceptSession(&session, waitHandles[id]));
|
||||||
|
|
||||||
|
if (allocator) {
|
||||||
|
ctx = allocator->newSessionContext((u8)(id - 1));
|
||||||
|
if (ctx == NULL) {
|
||||||
|
svcCloseHandle(session);
|
||||||
|
return 0xDEAD0000;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
waitHandles[1 + numServices + numActiveSessions] = session;
|
||||||
|
handlerIds[numActiveSessions] = (u8)(id - 1);
|
||||||
|
ctxs[numActiveSessions++] = ctx;
|
||||||
|
} else {
|
||||||
|
// Service command
|
||||||
|
u32 off = id - 1 - numServices;
|
||||||
|
services[handlerIds[off]].handler(ctxs[off]);
|
||||||
|
replyTarget = waitHandles[id];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
cleanup:
|
||||||
|
for (u32 i = 0; i < 1 + numServices + numActiveSessions; i++) {
|
||||||
|
svcCloseHandle(waitHandles[i]);
|
||||||
|
}
|
||||||
|
|
||||||
|
for (u32 i = 0; i < numServices; i++) {
|
||||||
|
if (!services[i].isGlobalPort) {
|
||||||
|
srvUnregisterService(services[i].name);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (allocator) {
|
||||||
|
for (u32 i = 0; i < numActiveSessions; i++) {
|
||||||
|
allocator->freeSessionContext(ctxs[i]);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return res;
|
||||||
|
}
|
Reference in New Issue
Block a user