155 lines
3.1 KiB
C
155 lines
3.1 KiB
C
#include <3ds.h>
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#include <string.h>
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#include "srvsys.h"
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static Handle srvHandle;
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static int srvRefCount;
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static RecursiveLock initLock;
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static int initLockinit = 0;
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Result srvSysInit()
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{
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Result rc = 0;
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if (!initLockinit)
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{
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RecursiveLock_Init(&initLock);
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}
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RecursiveLock_Lock(&initLock);
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if (srvRefCount > 0)
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{
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RecursiveLock_Unlock(&initLock);
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return MAKERESULT(RL_INFO, RS_NOP, 25, RD_ALREADY_INITIALIZED);
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}
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while (1)
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{
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rc = svcConnectToPort(&srvHandle, "srv:");
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if (R_LEVEL(rc) != RL_PERMANENT ||
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R_SUMMARY(rc) != RS_NOTFOUND ||
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R_DESCRIPTION(rc) != RD_NOT_FOUND
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) break;
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svcSleepThread(500000);
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}
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if (R_SUCCEEDED(rc))
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{
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rc = srvSysRegisterClient();
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srvRefCount++;
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}
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RecursiveLock_Unlock(&initLock);
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return rc;
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}
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Result srvSysRegisterClient(void)
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{
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Result rc = 0;
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u32* cmdbuf = getThreadCommandBuffer();
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cmdbuf[0] = IPC_MakeHeader(0x1,0,2); // 0x10002
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cmdbuf[1] = IPC_Desc_CurProcessHandle();
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if(R_FAILED(rc = svcSendSyncRequest(srvHandle)))return rc;
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return cmdbuf[1];
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}
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Result srvSysExit()
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{
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Result rc;
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RecursiveLock_Lock(&initLock);
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if (srvRefCount > 1)
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{
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srvRefCount--;
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RecursiveLock_Unlock(&initLock);
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return MAKERESULT(RL_INFO, RS_NOP, 25, RD_BUSY);
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}
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if (srvHandle != 0) svcCloseHandle(srvHandle);
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else svcBreak(USERBREAK_ASSERT);
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rc = (Result)srvHandle; // yeah, I think this is a benign bug
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srvHandle = 0;
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srvRefCount--;
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RecursiveLock_Unlock(&initLock);
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return rc;
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}
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Result srvSysGetServiceHandle(Handle* out, const char* name)
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{
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Result rc = 0;
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u32* cmdbuf = getThreadCommandBuffer();
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cmdbuf[0] = IPC_MakeHeader(0x5,4,0); // 0x50100
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strncpy((char*) &cmdbuf[1], name,8);
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cmdbuf[3] = strlen(name);
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cmdbuf[4] = 0x0;
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if(R_FAILED(rc = svcSendSyncRequest(srvHandle)))return rc;
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if(out) *out = cmdbuf[3];
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return cmdbuf[1];
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}
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Result srvSysEnableNotification(Handle* semaphoreOut)
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{
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Result rc = 0;
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u32* cmdbuf = getThreadCommandBuffer();
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cmdbuf[0] = IPC_MakeHeader(0x2,0,0);
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if(R_FAILED(rc = svcSendSyncRequest(srvHandle)))return rc;
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if(semaphoreOut) *semaphoreOut = cmdbuf[3];
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return cmdbuf[1];
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}
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Result srvSysReceiveNotification(u32* notificationIdOut)
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{
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Result rc = 0;
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u32* cmdbuf = getThreadCommandBuffer();
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cmdbuf[0] = IPC_MakeHeader(0xB,0,0); // 0xB0000
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if(R_FAILED(rc = svcSendSyncRequest(srvHandle)))return rc;
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if(notificationIdOut) *notificationIdOut = cmdbuf[2];
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return cmdbuf[1];
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}
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Result srvSysRegisterService(Handle* out, const char* name, int maxSessions)
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{
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Result rc = 0;
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u32* cmdbuf = getThreadCommandBuffer();
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cmdbuf[0] = IPC_MakeHeader(0x3,4,0); // 0x30100
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strncpy((char*) &cmdbuf[1], name,8);
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cmdbuf[3] = strlen(name);
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cmdbuf[4] = maxSessions;
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if(R_FAILED(rc = svcSendSyncRequest(srvHandle)))return rc;
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if(out) *out = cmdbuf[3];
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return cmdbuf[1];
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}
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Result srvSysUnregisterService(const char* name)
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{
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Result rc = 0;
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u32* cmdbuf = getThreadCommandBuffer();
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cmdbuf[0] = IPC_MakeHeader(0x4,3,0); // 0x400C0
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strncpy((char*) &cmdbuf[1], name,8);
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cmdbuf[3] = strlen(name);
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if(R_FAILED(rc = svcSendSyncRequest(srvHandle)))return rc;
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return cmdbuf[1];
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}
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