Esempio n. 1
0
static void
InitNotifier(void)
{
    initialized = 1;
    memset(&notifier, 0, sizeof(notifier));
    Tcl_CreateExitHandler(NotifierExitHandler, NULL);
}
Esempio n. 2
0
void
InitNotifier(void)
{
    Tcl_NotifierProcs notifier;

    /*
     * Only reinitialize if we are not in exit handling. The notifier can get
     * reinitialized after its own exit handler has run, because of exit
     * handlers for the I/O and timer sub-systems (order dependency).
     */

    if (TclInExit()) {
	return;
    }

    notifier.createFileHandlerProc = CreateFileHandler;
    notifier.deleteFileHandlerProc = DeleteFileHandler;
    notifier.setTimerProc = SetTimer;
    notifier.waitForEventProc = WaitForEvent;
    Tcl_SetNotifier(&notifier);

    /*
     * DO NOT create the application context yet; doing so would prevent
     * external applications from setting it for us to their own ones.
     */

    initialized = 1;
    memset(&notifier, 0, sizeof(notifier));
    Tcl_CreateExitHandler(NotifierExitHandler, NULL);
}
Esempio n. 3
0
static void
ConsoleInit(void)
{
    ThreadSpecificData *tsdPtr;

    /*
     * Check the initialized flag first, then check again in the mutex. This
     * is a speed enhancement.
     */

    if (!initialized) {
	Tcl_MutexLock(&consoleMutex);
	if (!initialized) {
	    initialized = 1;
	    Tcl_CreateExitHandler(ProcExitHandler, NULL);
	}
	Tcl_MutexUnlock(&consoleMutex);
    }

    tsdPtr = (ThreadSpecificData *)TclThreadDataKeyGet(&dataKey);
    if (tsdPtr == NULL) {
	tsdPtr = TCL_TSD_INIT(&dataKey);
	tsdPtr->firstConsolePtr = NULL;
	Tcl_CreateEventSource(ConsoleSetupProc, ConsoleCheckProc, NULL);
	Tcl_CreateThreadExitHandler(ConsoleExitHandler, NULL);
    }
}
Esempio n. 4
0
HandleNameToRepMap::HandleNameToRepMap (Tcl_Interp *interp):
    m_interp(interp)
{
    Tcl_InitHashTable(&m_handleMap, TCL_STRING_KEYS);

    Tcl_SetAssocData(interp, ASSOC_KEY, deleteInterpProc, this);
    Tcl_CreateExitHandler(exitProc, this);
}
Esempio n. 5
0
void
TkCreateXEventSource()
{
    if (!initialized) {
	initialized = 1;
	Tcl_CreateEventSource(DisplaySetupProc, DisplayCheckProc, NULL);
	Tcl_CreateExitHandler(DisplayExitHandler, NULL);
    }
}
Esempio n. 6
0
File: shell.c Progetto: a4a881d4/nvc
void shell_run(tree_t e, struct tree_rd_ctx *ctx)
{
   const int ndecls = tree_decls(e);
   hash_t *decl_hash = hash_new(ndecls * 2, true);
   for (int i = 0; i < ndecls; i++) {
      tree_t d = tree_decl(e, i);
      hash_put(decl_hash, tree_ident(d), d);
   }

   Tcl_Interp *interp = Tcl_CreateInterp();

   bool have_quit = false;

   Tcl_CreateExitHandler(shell_exit_handler, &have_quit);

   shell_cmd_t shell_cmds[] = {
      CMD(quit,      &have_quit, "Exit simulation"),
      CMD(run,       ctx,        "Start or resume simulation"),
      CMD(restart,   NULL,       "Restart simulation"),
      CMD(show,      decl_hash,  "Display simulation objects"),
      CMD(help,      shell_cmds, "Display this message"),
      CMD(copyright, NULL,       "Display copyright information"),
      CMD(signals,   e,          "Find signal objects in the design"),
      CMD(now,       NULL,       "Display current simulation time"),
      CMD(watch,     decl_hash,  "Trace changes to a signal"),
      CMD(unwatch,   decl_hash,  "Stop tracing signals"),

      { NULL, NULL, NULL, NULL}
   };

   qsort(shell_cmds, ARRAY_LEN(shell_cmds) - 1, sizeof(shell_cmd_t),
         compare_shell_cmd);

   for (shell_cmd_t *c = shell_cmds; c->name != NULL; c++)
      Tcl_CreateObjCommand(interp, c->name, c->fn, c->cd, NULL);

   show_banner();

   slave_post_msg(SLAVE_RESTART, NULL, 0);

   char *line;
   while (!have_quit && (line = shell_get_line())) {
      switch (Tcl_Eval(interp, line)) {
      case TCL_OK:
         break;
      case TCL_ERROR:
         errorf("%s", Tcl_GetStringResult(interp));
         break;
      default:
         assert(false);
      }

      free(line);
   }

   Tcl_Exit(EXIT_SUCCESS);
}
Esempio n. 7
0
void RtclProxyBase::CreateObjectCmd(Tcl_Interp* interp, const char* name)
{
  fInterp = interp;
  fCmdToken = 
    Tcl_CreateObjCommand(interp, name, ThunkTclObjectCmd, (ClientData) this, 
                         (Tcl_CmdDeleteProc *) ThunkTclCmdDeleteProc);
  RtclContext::Find(interp).RegisterProxy(this);
  Tcl_CreateExitHandler((Tcl_ExitProc*) ThunkTclExitProc, (ClientData) this);
  return;
}
Esempio n. 8
0
ObjToRepMap::ObjToRepMap ()
{
    Tcl_InitHashTable(&m_objMap, TCL_ONE_WORD_KEYS);

#ifdef TCL_THREADS
    Tcl_CreateThreadExitHandler(exitProc, this);
#else
    Tcl_CreateExitHandler(exitProc, 0);
#endif
}
Esempio n. 9
0
void NS(MqDumpS_New) (
  Tcl_Interp * interp,
  struct MqDumpS * dump
)
{
  char buffer[30];
  sprintf(buffer, "<MqDumpS-%p>", dump);
  Tcl_CreateObjCommand (interp, buffer, NS(MqDumpS_Cmd), dump, NS(MqDumpS_Free));

  Tcl_SetResult (interp, buffer, TCL_VOLATILE);
  Tcl_CreateExitHandler (NS(MqDumpS_Free), dump);
}
Esempio n. 10
0
File: tclTimer.c Progetto: aosm/gcc3
static void
InitTimer()
{
    initialized = 1;
    lastTimerId = 0;
    timerPending = 0;
    idleGeneration = 0;
    firstTimerHandlerPtr = NULL;
    lastIdlePtr = NULL;
    idleList = NULL;

    Tcl_CreateEventSource(TimerSetupProc, TimerCheckProc, NULL);
    Tcl_CreateExitHandler(TimerExitProc, NULL);
}
Esempio n. 11
0
int appinit(Tcl_Interp *interp)
{
  if (Tcl_Init(interp) == TCL_ERROR)
    return (TCL_ERROR);
  Tcl_CreateExitHandler(exitHandler, 0);

#ifdef TK
  if (Tk_Init(interp) == TCL_ERROR)
    return (TCL_ERROR);
#endif

  if (on_program_start(interp) == TCL_ERROR)
    return (TCL_ERROR);
  return (TCL_OK);
}
Esempio n. 12
0
/* these are the tcl init/exit routines */
int DLLEXPORT Br_Init(Tcl_Interp *interp)
{

   /* initialize stubs and create the exit handler */
   if( !Tcl_InitStubs(interp, TCL_VERSION, 0) )
     return TCL_ERROR;

   Tcl_CreateExitHandler(Br_Atexit, NULL);


   /* prepare environment and load functions into tcl */
   init_brick();
   load_routines(interp);

   return TCL_OK;
}
Esempio n. 13
0
//------------------------------------------+-----------------------------------
//! FIXME_docs
bool RtclSignalAction::Init(Tcl_Interp* interp, RerrMsg& emsg)
{
  if (fpObj) {
    emsg.Init("RtclSignalAction::Init", "already initialized");
    return false;
  }
  
  try {
    fpObj = new RtclSignalAction(interp);
  } catch (exception& e) {
    emsg.Init("RtclSignalAction::Init", string("exception: ")+e.what());
    return false;
  }

  Tcl_CreateExitHandler((Tcl_ExitProc*) ThunkTclExitProc, (ClientData) fpObj);

  return true;
}
Esempio n. 14
0
////////////////////////////////////////////////////
// Function to initialize register related stuff
////////////////////////////////////////////////////
int Register_Init(
   Tcl_Interp *interp
) {
   
   // initialize the hash table
   Tcl_InitHashTable(&registerRegistrations, TCL_STRING_KEYS);

   // register our commands
   Tcl_CreateObjCommand(
      interp, "::bonjour::register", bonjour_register,
      &registerRegistrations, NULL
   );

   // create an exit handler for cleanup
   Tcl_CreateExitHandler(
      (Tcl_ExitProc *)bonjour_register_cleanup,
      &registerRegistrations
   );


   return TCL_OK;
}
Esempio n. 15
0
void *dlopen(
    const char *path,
    int mode
) {
    void *handle;
    LibraryList *ptr;
    static int initialized = 0;

    if (!initialized) {
	initialized = 1;
	Tcl_CreateExitHandler((Tcl_ExitProc *) UnloadLibraries,
	    (ClientData) &libraryList);
    }
    handle = (void *) LoadLibrary(path);
    if (handle != NULL) {
	    ptr = (LibraryList*) ckalloc(sizeof(LibraryList));
	    ptr->handle = (HINSTANCE) handle;
	    ptr->nextPtr = libraryList;
	    libraryList = ptr;
    }
    return handle;
}
Esempio n. 16
0
int
TnmIcmp(Tcl_Interp *interp, TnmIcmpRequest *icmpPtr)
{
    static HANDLE hIcmp = 0;	/* The handle for ICMP.DLL. */
    int j, i, code;
    DWORD nCount, dwStatus;
    HANDLE *lpHandles;

    if (! hIcmp) {
	hIcmp = LoadLibrary("ICMP.DLL");
	if (hIcmp) {
	    Tcl_CreateExitHandler(IcmpExit, hIcmp);
	    (FARPROC) pIcmpCreateFile 
		= (FARPROC) GetProcAddress(hIcmp, "IcmpCreateFile");
	    (FARPROC) pIcmpCloseHandle
		= (FARPROC) GetProcAddress(hIcmp, "IcmpCloseHandle");
	    (FARPROC) pIcmpSendEcho 
		= (FARPROC) GetProcAddress(hIcmp, "IcmpSendEcho");
	    if (! pIcmpCreateFile || ! pIcmpCloseHandle || ! pIcmpSendEcho) {
		FreeLibrary(hIcmp);
		hIcmp = 0;
	    }
	}

    }
    if (! hIcmp) {
	Tcl_SetResult(interp, "failed to load ICMP.DLL", TCL_STATIC);
	return TCL_ERROR;
    }

    hIP = pIcmpCreateFile();
    if (hIP == INVALID_HANDLE_VALUE) {
	Tcl_SetResult(interp, "failed to access ICMP.DLL", TCL_STATIC);
	return TCL_ERROR;
    }

    /*
     * Create a thread for every single target.
     */

    lpHandles = (HANDLE *) ckalloc(icmpPtr->numTargets * sizeof(HANDLE));
    code = TCL_OK;

    j = 0;
    while (j < icmpPtr->numTargets) {
      
	for (i = j, nCount = 0;
	     i < icmpPtr->numTargets && nCount < 200
		 && (! icmpPtr->window || (int) nCount < icmpPtr->window);
	     i++, nCount++) {
	
	    DWORD dwThreadId;
	    TnmIcmpTarget *targetPtr = &(icmpPtr->targets[i]);
	    IcmpThreadParam *threadParamPtr = 
		(IcmpThreadParam *) ckalloc(sizeof(IcmpThreadParam));
	    threadParamPtr->icmpPtr = icmpPtr;
	    threadParamPtr->targetPtr = targetPtr;
	    lpHandles[i] = CreateThread(NULL, 0, 
					(LPTHREAD_START_ROUTINE) IcmpThread,
					(LPDWORD) threadParamPtr, 0,
					&dwThreadId);
	    if (! lpHandles[i]) {
		Tcl_ResetResult(interp);
		Tcl_SetResult(interp, "failed to create ICMP thread",
			      TCL_STATIC);
		code = TCL_ERROR;
		break;
	    }
	}

	/* 
	 * Wait here until all threads have finished, release the handles,
	 * free the handle array and finally move on.
	 */

	dwStatus = WaitForMultipleObjects(nCount, lpHandles+j, TRUE, INFINITE);
	if (dwStatus == WAIT_FAILED) {
	    Tcl_ResetResult(interp);
	    Tcl_SetResult(interp, "failed to wait for ICMP thread",
			  TCL_STATIC);
	    code = TCL_ERROR;
	}
	for (i = j; nCount-- > 0; i++, j++) {
	    if (lpHandles[i]) {
		CloseHandle(lpHandles[i]);
	    }
	}
    }
    ckfree((char *) lpHandles);
    pIcmpCloseHandle(hIP);
    return code;
}
Esempio n. 17
0
/*
 * Nxhelper_Init
 *
 *   Initialises the extension for a regular interpreter.
 *
 * Arguments:
 *   interp - Current interpreter.
 *
 * Returns:
 *   A standard Tcl result.
 */
int
Nxhelper_Init(
    Tcl_Interp *interp
    )
{
    /* Wide integer support was added in Tcl 8.4. */
    if (Tcl_InitStubs(interp, "8.4", 0) == NULL) {
        return TCL_ERROR;
    }

    if (Tcl_PkgProvide(interp, PACKAGE_NAME, PACKAGE_VERSION) != TCL_OK) {
        return TCL_ERROR;
    }

    /*
     * Check if the library is already initialised before locking
     * the global initialisation mutex (improves loading time).
     */
    if (!initialised) {
        Tcl_MutexLock(&initMutex);

        /* Check initialisation status again now that we're in the mutex. */
        if (!initialised) {
            /* Initialise the OS version structure. */
            osVersion.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
            GetVersionEx(&osVersion);

            kernelModule = LoadLibrary(TEXT("kernel32.dll"));
            if (kernelModule != NULL) {
                /*
                 * GetDiskFreeSpaceEx() must be resolved on run-time for backwards
                 * compatibility on older Windows systems (earlier than NT v5).
                 */
#ifdef UNICODE
                getDiskFreeSpaceExPtr = (Fn_GetDiskFreeSpaceEx)
                    GetProcAddress(kernelModule, "GetDiskFreeSpaceExW");
#else /* UNICODE */
                getDiskFreeSpaceExPtr = (Fn_GetDiskFreeSpaceEx)
                    GetProcAddress(kernelModule, "GetDiskFreeSpaceExA");
#endif /* UNICODE */
            }

            /*
             * If GetVolumeInformation() is called on a floppy drive or a CD-ROM drive
             * that does not have a disk inserted, the system will display a message box
             * asking the user to insert one.
             */
            SetErrorMode(SetErrorMode(0) | SEM_FAILCRITICALERRORS);

            /* An exit handler should be registered once. */
            Tcl_CreateExitHandler(ExitHandler, NULL);

            initialised = TRUE;
        }
        Tcl_MutexUnlock(&initMutex);
    }

    /* Create the hash table used for the "::nx::key" command. */
    if (keyTable == NULL) {
        Tcl_MutexLock(&keyMutex);

        /* Check again now that we're in the mutex. */
        if (keyTable == NULL) {
            keyTable = (Tcl_HashTable *)ckalloc(sizeof(Tcl_HashTable));
            Tcl_InitHashTable(keyTable, TCL_STRING_KEYS);
        }

        Tcl_MutexUnlock(&keyMutex);
    }

    Tcl_CreateObjCommand(interp, "::nx::base64", Base64ObjCmd, NULL, NULL);
    Tcl_CreateObjCommand(interp, "::nx::key",    KeyObjCmd,    NULL, NULL);
    Tcl_CreateObjCommand(interp, "::nx::mp3",    Mp3ObjCmd,    NULL, NULL);
    Tcl_CreateObjCommand(interp, "::nx::sleep",  SleepObjCmd,  NULL, NULL);
    Tcl_CreateObjCommand(interp, "::nx::time",   TimeObjCmd,   NULL, NULL);
    Tcl_CreateObjCommand(interp, "::nx::touch",  TouchObjCmd,  NULL, NULL);
    Tcl_CreateObjCommand(interp, "::nx::volume", VolumeObjCmd, NULL, NULL);
    Tcl_CreateObjCommand(interp, "::nx::zlib",   ZlibObjCmd,   NULL, NULL);

    return TCL_OK;
}
Esempio n. 18
0
void
Tcl_MainEx(
    int argc,			/* Number of arguments. */
    TCHAR **argv,		/* Array of argument strings. */
    Tcl_AppInitProc *appInitProc,
				/* Application-specific initialization
				 * function to call after most initialization
				 * but before starting to execute commands. */
    Tcl_Interp *interp)
{
    Tcl_Obj *path, *resultPtr, *argvPtr, *appName;
    const char *encodingName = NULL;
    int code, exitCode = 0;
    Tcl_MainLoopProc *mainLoopProc;
    Tcl_Channel chan;
    InteractiveState is;

    TclpSetInitialEncodings();
    TclpFindExecutable((const char *)argv[0]);

    Tcl_InitMemory(interp);

    is.interp = interp;
    is.prompt = PROMPT_START;
    is.commandPtr = Tcl_NewObj();

    /*
     * If the application has not already set a startup script, parse the
     * first few command line arguments to determine the script path and
     * encoding.
     */

    if (NULL == Tcl_GetStartupScript(NULL)) {
	/*
	 * Check whether first 3 args (argv[1] - argv[3]) look like
	 *  -encoding ENCODING FILENAME
	 * or like
	 *  FILENAME
	 */

	if ((argc > 3) && (0 == _tcscmp(TEXT("-encoding"), argv[1]))
		&& ('-' != argv[3][0])) {
	    Tcl_Obj *value = NewNativeObj(argv[2], -1);
	    Tcl_SetStartupScript(NewNativeObj(argv[3], -1),
		    Tcl_GetString(value));
	    Tcl_DecrRefCount(value);
	    argc -= 3;
	    argv += 3;
	} else if ((argc > 1) && ('-' != argv[1][0])) {
	    Tcl_SetStartupScript(NewNativeObj(argv[1], -1), NULL);
	    argc--;
	    argv++;
	}
    }

    path = Tcl_GetStartupScript(&encodingName);
    if (path == NULL) {
	appName = NewNativeObj(argv[0], -1);
    } else {
	appName = path;
    }
    Tcl_SetVar2Ex(interp, "argv0", NULL, appName, TCL_GLOBAL_ONLY);
    argc--;
    argv++;

    Tcl_SetVar2Ex(interp, "argc", NULL, Tcl_NewIntObj(argc), TCL_GLOBAL_ONLY);

    argvPtr = Tcl_NewListObj(0, NULL);
    while (argc--) {
	Tcl_ListObjAppendElement(NULL, argvPtr, NewNativeObj(*argv++, -1));
    }
    Tcl_SetVar2Ex(interp, "argv", NULL, argvPtr, TCL_GLOBAL_ONLY);

    /*
     * Set the "tcl_interactive" variable.
     */

    is.tty = isatty(0);
    Tcl_SetVar2Ex(interp, "tcl_interactive", NULL,
	    Tcl_NewIntObj(!path && is.tty), TCL_GLOBAL_ONLY);

    /*
     * Invoke application-specific initialization.
     */

    Tcl_Preserve(interp);
    if (appInitProc(interp) != TCL_OK) {
	chan = Tcl_GetStdChannel(TCL_STDERR);
	if (chan) {
	    Tcl_WriteChars(chan,
		    "application-specific initialization failed: ", -1);
	    Tcl_WriteObj(chan, Tcl_GetObjResult(interp));
	    Tcl_WriteChars(chan, "\n", 1);
	}
    }
    if (Tcl_InterpDeleted(interp)) {
	goto done;
    }
    if (Tcl_LimitExceeded(interp)) {
	goto done;
    }
    if (TclFullFinalizationRequested()) {
	/*
	 * Arrange for final deletion of the main interp
	 */

	/* ARGH Munchhausen effect */
	Tcl_CreateExitHandler(FreeMainInterp, interp);
    }

    /*
     * Invoke the script specified on the command line, if any. Must fetch it
     * again, as the appInitProc might have reset it.
     */

    path = Tcl_GetStartupScript(&encodingName);
    if (path != NULL) {
	Tcl_ResetResult(interp);
	code = Tcl_FSEvalFileEx(interp, path, encodingName);
	if (code != TCL_OK) {
	    chan = Tcl_GetStdChannel(TCL_STDERR);
	    if (chan) {
		Tcl_Obj *options = Tcl_GetReturnOptions(interp, code);
		Tcl_Obj *keyPtr, *valuePtr;

		TclNewLiteralStringObj(keyPtr, "-errorinfo");
		Tcl_IncrRefCount(keyPtr);
		Tcl_DictObjGet(NULL, options, keyPtr, &valuePtr);
		Tcl_DecrRefCount(keyPtr);

		if (valuePtr) {
		    Tcl_WriteObj(chan, valuePtr);
		}
		Tcl_WriteChars(chan, "\n", 1);
		Tcl_DecrRefCount(options);
	    }
	    exitCode = 1;
	}
	goto done;
    }

    /*
     * We're running interactively. Source a user-specific startup file if the
     * application specified one and if the file exists.
     */

    Tcl_SourceRCFile(interp);
    if (Tcl_LimitExceeded(interp)) {
	goto done;
    }

    /*
     * Process commands from stdin until there's an end-of-file. Note that we
     * need to fetch the standard channels again after every eval, since they
     * may have been changed.
     */

    Tcl_IncrRefCount(is.commandPtr);

    /*
     * Get a new value for tty if anyone writes to ::tcl_interactive
     */

    Tcl_LinkVar(interp, "tcl_interactive", (char *) &is.tty, TCL_LINK_BOOLEAN);
    is.input = Tcl_GetStdChannel(TCL_STDIN);
    while ((is.input != NULL) && !Tcl_InterpDeleted(interp)) {
	mainLoopProc = TclGetMainLoop();
	if (mainLoopProc == NULL) {
	    int length;

	    if (is.tty) {
		Prompt(interp, &is);
		if (Tcl_InterpDeleted(interp)) {
		    break;
		}
		if (Tcl_LimitExceeded(interp)) {
		    break;
		}
		is.input = Tcl_GetStdChannel(TCL_STDIN);
		if (is.input == NULL) {
		    break;
		}
	    }
	    if (Tcl_IsShared(is.commandPtr)) {
		Tcl_DecrRefCount(is.commandPtr);
		is.commandPtr = Tcl_DuplicateObj(is.commandPtr);
		Tcl_IncrRefCount(is.commandPtr);
	    }
	    length = Tcl_GetsObj(is.input, is.commandPtr);
	    if (length < 0) {
		if (Tcl_InputBlocked(is.input)) {
		    /*
		     * This can only happen if stdin has been set to
		     * non-blocking. In that case cycle back and try again.
		     * This sets up a tight polling loop (since we have no
		     * event loop running). If this causes bad CPU hogging, we
		     * might try toggling the blocking on stdin instead.
		     */

		    continue;
		}

		/*
		 * Either EOF, or an error on stdin; we're done
		 */

		break;
	    }

	    /*
	     * Add the newline removed by Tcl_GetsObj back to the string. Have
	     * to add it back before testing completeness, because it can make
	     * a difference. [Bug 1775878]
	     */

	    if (Tcl_IsShared(is.commandPtr)) {
		Tcl_DecrRefCount(is.commandPtr);
		is.commandPtr = Tcl_DuplicateObj(is.commandPtr);
		Tcl_IncrRefCount(is.commandPtr);
	    }
	    Tcl_AppendToObj(is.commandPtr, "\n", 1);
	    if (!TclObjCommandComplete(is.commandPtr)) {
		is.prompt = PROMPT_CONTINUE;
		continue;
	    }

	    is.prompt = PROMPT_START;

	    /*
	     * The final newline is syntactically redundant, and causes some
	     * error messages troubles deeper in, so lop it back off.
	     */

	    Tcl_GetStringFromObj(is.commandPtr, &length);
	    Tcl_SetObjLength(is.commandPtr, --length);
	    code = Tcl_RecordAndEvalObj(interp, is.commandPtr,
		    TCL_EVAL_GLOBAL);
	    is.input = Tcl_GetStdChannel(TCL_STDIN);
	    Tcl_DecrRefCount(is.commandPtr);
	    is.commandPtr = Tcl_NewObj();
	    Tcl_IncrRefCount(is.commandPtr);
	    if (code != TCL_OK) {
		chan = Tcl_GetStdChannel(TCL_STDERR);
		if (chan) {
		    Tcl_WriteObj(chan, Tcl_GetObjResult(interp));
		    Tcl_WriteChars(chan, "\n", 1);
		}
	    } else if (is.tty) {
		resultPtr = Tcl_GetObjResult(interp);
		Tcl_IncrRefCount(resultPtr);
		Tcl_GetStringFromObj(resultPtr, &length);
		chan = Tcl_GetStdChannel(TCL_STDOUT);
		if ((length > 0) && chan) {
		    Tcl_WriteObj(chan, resultPtr);
		    Tcl_WriteChars(chan, "\n", 1);
		}
		Tcl_DecrRefCount(resultPtr);
	    }
	} else {	/* (mainLoopProc != NULL) */
	    /*
	     * If a main loop has been defined while running interactively, we
	     * want to start a fileevent based prompt by establishing a
	     * channel handler for stdin.
	     */

	    if (is.input) {
		if (is.tty) {
		    Prompt(interp, &is);
		}

		Tcl_CreateChannelHandler(is.input, TCL_READABLE,
			StdinProc, &is);
	    }

	    mainLoopProc();
	    Tcl_SetMainLoop(NULL);

	    if (is.input) {
		Tcl_DeleteChannelHandler(is.input, StdinProc, &is);
	    }
	    is.input = Tcl_GetStdChannel(TCL_STDIN);
	}

	/*
	 * This code here only for the (unsupported and deprecated) [checkmem]
	 * command.
	 */

#ifdef TCL_MEM_DEBUG
	if (tclMemDumpFileName != NULL) {
	    Tcl_SetMainLoop(NULL);
	    Tcl_DeleteInterp(interp);
	}
#endif /* TCL_MEM_DEBUG */
    }

  done:
    mainLoopProc = TclGetMainLoop();
    if ((exitCode == 0) && mainLoopProc && !Tcl_LimitExceeded(interp)) {
	/*
	 * If everything has gone OK so far, call the main loop proc, if it
	 * exists. Packages (like Tk) can set it to start processing events at
	 * this point.
	 */

	mainLoopProc();
	Tcl_SetMainLoop(NULL);
    }
    if (is.commandPtr != NULL) {
	Tcl_DecrRefCount(is.commandPtr);
    }

    /*
     * Rather than calling exit, invoke the "exit" command so that users can
     * replace "exit" with some other command to do additional cleanup on
     * exit. The Tcl_EvalObjEx call should never return.
     */

    if (!Tcl_InterpDeleted(interp) && !Tcl_LimitExceeded(interp)) {
	Tcl_Obj *cmd = Tcl_ObjPrintf("exit %d", exitCode);

	Tcl_IncrRefCount(cmd);
	Tcl_EvalObjEx(interp, cmd, TCL_EVAL_GLOBAL);
	Tcl_DecrRefCount(cmd);
    }

    /*
     * If Tcl_EvalObjEx returns, trying to eval [exit], something unusual is
     * happening. Maybe interp has been deleted; maybe [exit] was redefined,
     * maybe we've blown up because of an exceeded limit. We still want to
     * cleanup and exit.
     */

    Tcl_Exit(exitCode);
}
Esempio n. 19
0
/*++

Alcoext_Init

    Initialises the extension for a regular interpreter.

Arguments:
    interp - Current interpreter.

Return Value:
    A standard Tcl result.

--*/
int
Alcoext_Init(
    Tcl_Interp *interp
    )
{
    ExtState *statePtr;
    StateList *stateListPtr;

    // Wide integer support was added in Tcl 8.4.
#ifdef USE_TCL_STUBS
    if (Tcl_InitStubs(interp, "8.4", 0) == NULL) {
        return TCL_ERROR;
    }
#else // USE_TCL_STUBS
    if (Tcl_PkgRequire(interp, "Tcl", "8.4", 0) == NULL) {
        return TCL_ERROR;
    }
#endif // USE_TCL_STUBS

    if (Tcl_PkgProvide(interp, PACKAGE_NAME, PACKAGE_VERSION) != TCL_OK) {
        return TCL_ERROR;
    }

    //
    // Check if the library is already initialised before locking
    // the global initialisation mutex (improves loading time).
    //
    if (!initialised) {
        Tcl_MutexLock(&initMutex);

        // Check initialisation status again now that we're in the mutex.
        if (!initialised) {
#ifdef _WINDOWS
            // Initialise the OS version structure.
            osVersion.dwOSVersionInfoSize = sizeof(OSVERSIONINFOA);
            GetVersionExA(&osVersion);

            ZeroMemory(&winProcs, sizeof(WinProcs));
            winProcs.module = LoadLibraryA("kernel32.dll");

            if (winProcs.module != NULL) {
                //
                // These functions must be resolved on run-time for backwards
                // compatibility on older Windows systems (earlier than NT v5).
                //
                winProcs.getDiskFreeSpaceEx = (GetDiskFreeSpaceExProc)
                    GetProcAddress(winProcs.module, "GetDiskFreeSpaceExA");

                winProcs.findFirstVolumeMountPoint = (FindFirstVolumeMountPointProc)
                    GetProcAddress(winProcs.module, "FindFirstVolumeMountPointA");
                winProcs.findNextVolumeMountPoint = (FindNextVolumeMountPointProc)
                    GetProcAddress(winProcs.module, "FindNextVolumeMountPointA");
                winProcs.findVolumeMountPointClose = (FindVolumeMountPointCloseProc)
                    GetProcAddress(winProcs.module, "FindVolumeMountPointClose");

                winProcs.getVolumeNameForVolumeMountPoint = (GetVolumeNameForVolumeMountPointProc)
                    GetProcAddress(winProcs.module, "GetVolumeNameForVolumeMountPointA");
            }

            //
            // If GetVolumeInformation() is called on a floppy drive or a CD-ROM
            // drive that does not have a disk inserted, the system will display
            // a message box asking the user to insert one.
            //
            SetErrorMode(SetErrorMode(0) | SEM_FAILCRITICALERRORS);
#endif // _WINDOWS

            // An exit handler must only be registered once.
            Tcl_CreateExitHandler(ExitHandler, NULL);

            // Register ciphers, hashes, and PRNGs for LibTomCrypt.
            register_cipher(&des3_desc);
            register_cipher(&aes_desc);
            register_cipher(&anubis_desc);
            register_cipher(&blowfish_desc);
            register_cipher(&cast5_desc);
            register_cipher(&des_desc);
            register_cipher(&khazad_desc);
            register_cipher(&noekeon_desc);
            register_cipher(&rc2_desc);
            register_cipher(&rc5_desc);
            register_cipher(&rc6_desc);
            register_cipher(&saferp_desc);
            register_cipher(&safer_k128_desc);
            register_cipher(&safer_k64_desc);
            register_cipher(&safer_sk128_desc);
            register_cipher(&safer_sk64_desc);
            register_cipher(&skipjack_desc);
            register_cipher(&twofish_desc);
            register_cipher(&xtea_desc);
            register_hash(&md2_desc);
            register_hash(&md4_desc);
            register_hash(&md5_desc);
            register_hash(&rmd128_desc);
            register_hash(&rmd160_desc);
            register_hash(&sha1_desc);
            register_hash(&sha224_desc);
            register_hash(&sha256_desc);
            register_hash(&sha384_desc);
            register_hash(&sha512_desc);
            register_hash(&tiger_desc);
            register_hash(&whirlpool_desc);
            register_prng(&fortuna_desc);
            register_prng(&rc4_desc);
            register_prng(&sober128_desc);
            register_prng(&sprng_desc);
            register_prng(&yarrow_desc);

            initialised = 1;
        }
        Tcl_MutexUnlock(&initMutex);
    }

    // Allocate state structures.
    stateListPtr = (StateList *)ckalloc(sizeof(StateList));
    statePtr = (ExtState *)ckalloc(sizeof(ExtState));

    statePtr->cryptTable = (Tcl_HashTable *)ckalloc(sizeof(Tcl_HashTable));
    Tcl_InitHashTable(statePtr->cryptTable, TCL_STRING_KEYS);

#ifndef _WINDOWS
    statePtr->glftpdTable = (Tcl_HashTable *)ckalloc(sizeof(Tcl_HashTable));
    Tcl_InitHashTable(statePtr->glftpdTable, TCL_STRING_KEYS);
#endif // !_WINDOWS

    //
    // Since callbacks registered with Tcl_CallWhenDeleted() are not executed in
    // certain situations (calling Tcl_Finalize() or invoking the "exit" command),
    // these resources must be freed by an exit handler registered with
    // Tcl_CreateExitHandler().
    //
    stateListPtr->interp = interp;
    stateListPtr->state  = statePtr;
    stateListPtr->next   = NULL;
    stateListPtr->prev   = NULL;

    Tcl_MutexLock(&stateMutex);
    // Insert at the list head.
    if (stateListHead == NULL) {
        stateListHead = stateListPtr;
    } else {
        stateListPtr->next = stateListHead;
        stateListHead->prev = stateListPtr;
        stateListHead = stateListPtr;
    }
    Tcl_MutexUnlock(&stateMutex);

    // Clean up state on interpreter deletion.
    Tcl_CallWhenDeleted(interp, InterpDeleteHandler, (ClientData)statePtr);

    // Create Tcl commands.
    Tcl_CreateObjCommand(interp, "::alcoholicz::compress", CompressObjCmd,
        (ClientData)NULL, (Tcl_CmdDeleteProc *)NULL);

    Tcl_CreateObjCommand(interp, "::alcoholicz::crypt", CryptObjCmd,
        (ClientData)statePtr, (Tcl_CmdDeleteProc *)NULL);

    Tcl_CreateObjCommand(interp, "::alcoholicz::decode", EncodingObjCmd,
        (ClientData)decodeFuncts, (Tcl_CmdDeleteProc *)NULL);

    Tcl_CreateObjCommand(interp, "::alcoholicz::encode", EncodingObjCmd,
        (ClientData)encodeFuncts, (Tcl_CmdDeleteProc *)NULL);

    //
    // These commands are not created for safe interpreters because
    // they interact with the file system and/or other processes.
    //
    if (!Tcl_IsSafe(interp)) {
        Tcl_CreateObjCommand(interp, "::alcoholicz::volume", VolumeObjCmd,
            (ClientData)NULL, (Tcl_CmdDeleteProc *)NULL);

#ifdef _WINDOWS
        Tcl_CreateObjCommand(interp, "::alcoholicz::ioftpd", IoFtpdObjCmd,
            (ClientData)NULL, (Tcl_CmdDeleteProc *)NULL);
#else // _WINDOWS
        Tcl_CreateObjCommand(interp, "::alcoholicz::glftpd", GlFtpdObjCmd,
            (ClientData)statePtr, (Tcl_CmdDeleteProc *)NULL);
#endif // _WINDOWS
    }

    Tcl_Eval(interp, "namespace eval ::alcoholicz {"
        "namespace export compress crypt encode decode volume "
#ifdef _WINDOWS
        "ioftpd"
#else
        "glftpd"
#endif // _WINDOWS
        "}"
        );

    return TCL_OK;
}
Esempio n. 20
0
/*++

Initialise

    Initialises the library; allocating and registering resources.

Arguments:
    None.

Return Value:
    None.

--*/
static void
Initialise(
    void
    )
{
    DebugPrint("Initialise: initialised=%d\n", initialised);

    //
    // Check if the library is already initialised before locking
    // the global initialisation mutex (improves loading time).
    //
    if (initialised) {
        return;
    }

    Tcl_MutexLock(&initMutex);

    // Check initialisation status again now that we are in the mutex.
    if (!initialised) {
#ifdef _WINDOWS
        // Initialise the OS version structure.
        osVersion.dwOSVersionInfoSize = sizeof(OSVERSIONINFOA);
        GetVersionExA(&osVersion);

        ZeroMemory(&winProcs, sizeof(WinProcs));
        winProcs.module = LoadLibraryA("kernel32.dll");

        if (winProcs.module != NULL) {
            //
            // These functions must be resolved on run-time for backwards
            // compatibility on older Windows systems (earlier than NT v5).
            //
            winProcs.getDiskFreeSpaceEx = (GetDiskFreeSpaceExProc)
                GetProcAddress(winProcs.module, "GetDiskFreeSpaceExA");

            winProcs.findFirstVolumeMountPoint = (FindFirstVolumeMountPointProc)
                GetProcAddress(winProcs.module, "FindFirstVolumeMountPointA");
            winProcs.findNextVolumeMountPoint = (FindNextVolumeMountPointProc)
                GetProcAddress(winProcs.module, "FindNextVolumeMountPointA");
            winProcs.findVolumeMountPointClose = (FindVolumeMountPointCloseProc)
                GetProcAddress(winProcs.module, "FindVolumeMountPointClose");

            winProcs.getVolumeNameForVolumeMountPoint = (GetVolumeNameForVolumeMountPointProc)
                GetProcAddress(winProcs.module, "GetVolumeNameForVolumeMountPointA");
        }

        //
        // If GetVolumeInformation() is called on a floppy drive or a CD-ROM
        // drive that does not have a disk inserted, the system will display
        // a message box asking the user to insert one.
        //
        SetErrorMode(SetErrorMode(0) | SEM_FAILCRITICALERRORS);
#endif // _WINDOWS

        // Register ciphers, hashes, and PRNGs for LibTomCrypt.
        register_cipher(&des3_desc);
        register_cipher(&aes_desc);
        register_cipher(&anubis_desc);
        register_cipher(&blowfish_desc);
        register_cipher(&cast5_desc);
        register_cipher(&des_desc);
        register_cipher(&khazad_desc);
        register_cipher(&noekeon_desc);
        register_cipher(&rc2_desc);
        register_cipher(&rc5_desc);
        register_cipher(&rc6_desc);
        register_cipher(&saferp_desc);
        register_cipher(&safer_k128_desc);
        register_cipher(&safer_k64_desc);
        register_cipher(&safer_sk128_desc);
        register_cipher(&safer_sk64_desc);
        register_cipher(&skipjack_desc);
        register_cipher(&twofish_desc);
        register_cipher(&xtea_desc);
        register_hash(&md2_desc);
        register_hash(&md4_desc);
        register_hash(&md5_desc);
        register_hash(&rmd128_desc);
        register_hash(&rmd160_desc);
        register_hash(&rmd256_desc);
        register_hash(&rmd320_desc);
        register_hash(&sha1_desc);
        register_hash(&sha224_desc);
        register_hash(&sha256_desc);
        register_hash(&sha384_desc);
        register_hash(&sha512_desc);
        register_hash(&tiger_desc);
        register_hash(&whirlpool_desc);
        register_prng(&fortuna_desc);
        register_prng(&rc4_desc);
        register_prng(&sober128_desc);
        register_prng(&sprng_desc);
        register_prng(&yarrow_desc);

        Tcl_CreateExitHandler(ExitHandler, NULL);

        initialised = 1;
    }
    Tcl_MutexUnlock(&initMutex);
}