////////////////////////////////////////////////////////////////////////// // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - BOOL SBBSExec::OnCreateVM(VMHANDLE hVM) { DBTRACExd(0,"CreateVM, handle, time",hVM,Get_System_Time()); DBTRACEx(0,"Current Thread Handle",Get_Cur_Thread_Handle()); if(start.event) { new_vm=find_vm(NULL); if(new_vm==NULL) { DBTRACE(0,"!NO AVAILABLE VM structures"); return(FALSE); } new_vm->handle=hVM; new_vm->mode=start.mode; new_vm->online = true; new_vm->overrun = false; new_vm->input_sem = NULL; new_vm->output_sem = NULL; if(RingBufInit(&new_vm->in, RINGBUF_SIZE_IN)!=0 || RingBufInit(&new_vm->out, RINGBUF_SIZE_OUT)!=0) { DBTRACE(0,"!FAILED to create I/O buffers"); return(FALSE); } if(!VWIN32_SetWin32Event(start.event)) { DBTRACEx(0,"!FAILED TO SET EVENT handle", start.event); return(FALSE); } if(!VWIN32_CloseVxDHandle(start.event)) { DBTRACEx(0,"!FAILED TO CLOSE EVENT handle", start.event); return(FALSE); } start.event=0; } return(TRUE); }
DWORD SBBSExec::OnW32DeviceIoControl(PIOCTLPARAMS pIOCTL) { DWORD rd; DWORD wr; DWORD avail; vm_t* vm; // DBTRACEd(0,"SBBSEXEC ioctl" //,pIOCTL->dioc_IOCtlCode); switch(pIOCTL->dioc_IOCtlCode) { case DIOC_OPEN: DBTRACEd(0,"IOCTL: OPEN",Get_System_Time()); break; case DIOC_CLOSEHANDLE: DBTRACEd(0,"IOCTL: CLOSE",Get_System_Time()); break; case SBBSEXEC_IOCTL_START: DBTRACEd(0,"IOCTL: START",Get_System_Time()); DBTRACEx(0,"Current Thread Handle",Get_Cur_Thread_Handle()); if(start.event) { DBTRACE(0,"Exec already started!"); return(SBBSEXEC_ERROR_INUSE); } if (pIOCTL->dioc_InBuf==NULL || pIOCTL->dioc_cbInBuf!=sizeof(start)) { return(SBBSEXEC_ERROR_INBUF); } start=*(sbbsexec_start_t*)pIOCTL->dioc_InBuf; break; case SBBSEXEC_IOCTL_COMPLETE: DBTRACEd(0,"IOCTL: COMPLETE",Get_System_Time()); if(start.event || new_vm==NULL) { DBTRACE(0,"!VM never created"); start.event=0; return(SBBSEXEC_ERROR_INUSE); } if(pIOCTL->dioc_OutBuf==NULL || pIOCTL->dioc_cbOutBuf<sizeof(VMHANDLE)) { DBTRACE(0,"!Invalid OUTBUF"); return(SBBSEXEC_ERROR_OUTBUF); } *(VMHANDLE*)pIOCTL->dioc_OutBuf=new_vm->handle; DBTRACEx(0,"CREATED VM HANDLE", new_vm->handle); new_vm=NULL; if(pIOCTL->dioc_bytesret!=NULL) *pIOCTL->dioc_bytesret = sizeof(VMHANDLE); break; case SBBSEXEC_IOCTL_READ: if (pIOCTL->dioc_InBuf==NULL || pIOCTL->dioc_cbInBuf!=sizeof(VMHANDLE)) { DBTRACE(0,"!INVALID INBUF"); return(SBBSEXEC_ERROR_INBUF); } if (pIOCTL->dioc_OutBuf==NULL || pIOCTL->dioc_cbOutBuf==0) { DBTRACE(0,"!INVALID OUTBUF"); return(SBBSEXEC_ERROR_OUTBUF); } vm = find_vm(*(VMHANDLE*)pIOCTL->dioc_InBuf); if(vm==NULL) { DBTRACE(0,"!NO VM LIST"); return(SBBSEXEC_ERROR_INDATA); } rd = RingBufFull(&vm->out); if(rd>pIOCTL->dioc_cbOutBuf) { DBTRACEdd(0,"Reducing read size" ,rd, pIOCTL->dioc_cbOutBuf); rd=pIOCTL->dioc_cbOutBuf; } RingBufRead(&vm->out, (BYTE*)pIOCTL->dioc_OutBuf, rd); if(pIOCTL->dioc_bytesret!=NULL) *pIOCTL->dioc_bytesret = rd; if(vm->output_sem!=NULL) // Wake up int14 handler Signal_Semaphore(vm->output_sem); if(rd>1) { DBTRACEd(1,"IOCTL_READ bytes", rd); } break; case SBBSEXEC_IOCTL_WRITE: if (pIOCTL->dioc_InBuf==NULL || pIOCTL->dioc_cbInBuf<sizeof(VMHANDLE)+1) { DBTRACE(0,"!INVALID INBUF"); return(SBBSEXEC_ERROR_INBUF); } if (pIOCTL->dioc_OutBuf==NULL || pIOCTL->dioc_cbOutBuf!=sizeof(DWORD)) { DBTRACE(0,"!INVALID OUTBUF"); return(SBBSEXEC_ERROR_OUTBUF); } vm = find_vm(*(VMHANDLE*)pIOCTL->dioc_InBuf); if(vm==NULL) { DBTRACE(0,"!NO VM LIST"); return(SBBSEXEC_ERROR_INDATA); } wr = pIOCTL->dioc_cbInBuf-sizeof(VMHANDLE); avail = RingBufFree(&vm->in); if(wr>avail) { DBTRACEdd(0,"Reducing write size", wr, avail); wr=avail; } RingBufWrite(&vm->in, (BYTE*)pIOCTL->dioc_InBuf+sizeof(VMHANDLE), wr); *(DWORD *)pIOCTL->dioc_OutBuf = wr; if(pIOCTL->dioc_bytesret!=NULL) *pIOCTL->dioc_bytesret = sizeof(DWORD); if(vm->input_sem!=NULL) // Wake up int14 handler Signal_Semaphore(vm->input_sem); // Wake up the VDM (improves keyboard response - dramatically!) Wake_Up_VM(vm->handle); break; case SBBSEXEC_IOCTL_DISCONNECT: DBTRACEd(0,"IOCTL: DISCONNECT",Get_System_Time()); if (pIOCTL->dioc_InBuf==NULL || pIOCTL->dioc_cbInBuf!=sizeof(VMHANDLE)) { DBTRACE(0,"!INVALID INBUF"); return(SBBSEXEC_ERROR_INBUF); } vm = find_vm(*(VMHANDLE*)pIOCTL->dioc_InBuf); if(vm==NULL) { DBTRACE(0,"!NO VM LIST"); return(SBBSEXEC_ERROR_INDATA); } vm->online=false; if(vm->input_sem!=NULL) // Wake up int14 handler Signal_Semaphore(vm->input_sem); if(vm->output_sem!=NULL) // Wake up int14 handler Signal_Semaphore(vm->output_sem); break; case SBBSEXEC_IOCTL_STOP: DBTRACEd(0,"IOCTL: STOP",Get_System_Time()); if (pIOCTL->dioc_InBuf==NULL || pIOCTL->dioc_cbInBuf!=sizeof(VMHANDLE)) { DBTRACE(0,"!INVALID INBUF"); return(SBBSEXEC_ERROR_INBUF); } vm = find_vm(*(VMHANDLE*)pIOCTL->dioc_InBuf); if(vm==NULL) { DBTRACE(0,"!NO VM LIST"); return(SBBSEXEC_ERROR_INDATA); } DBTRACEx(0,"CLOSING VM HANDLE", vm->handle); vm->handle=NULL; // Mark as available RingBufDispose(&vm->in); RingBufDispose(&vm->out); if(vm->input_sem!=NULL) // Wake up int14 handler Signal_Semaphore(vm->input_sem); if(vm->output_sem!=NULL) // Wake up int14 handler Signal_Semaphore(vm->output_sem); vm->input_sem=NULL; vm->output_sem=NULL; break; default: DBTRACEdx(0,"!UNKNOWN IOCTL" ,pIOCTL->dioc_IOCtlCode,pIOCTL->dioc_IOCtlCode); return(SBBSEXEC_ERROR_IOCTL); } return (0); // DEVIOCTL_NOERROR); }
VOID OnDestroyThread(THREADHANDLE hThread) { DbPrint(DC_SYS,DL_INFO, ("OnDestroyThread called. hThread=%x CurTh=%x\n", hThread,Get_Cur_Thread_Handle())); TSPThreadCrash((PVOID)hThread); }