Пример #1
0
Channel IvyChannelAdd(IVY_HANDLE fd, void *data,
				ChannelHandleDelete handle_delete,
				ChannelHandleRead handle_read,
		                ChannelHandleWrite handle_write
				)						
{
	Channel channel;

	channel = (Channel)ckalloc( sizeof (struct _channel) );
	if ( !channel )
		{
		fprintf(stderr,"NOK Memory Alloc Error\n");
		exit(0);
		}

	channel->handle_delete = handle_delete;
	channel->handle_read = handle_read;
	channel->handle_write = handle_write;
	channel->data = data;
	channel->fd = fd;

	/*printf("Create handle fd %d\n", fd);*/
	channel->tcl_channel = Tcl_MakeTcpClientChannel((void*) (long) fd);
  	Tcl_CreateChannelHandler(channel->tcl_channel,  TCL_READABLE|TCL_EXCEPTION,	
				 IvyHandleFd, (ClientData) channel);
	return channel;
}
Пример #2
0
void
PgStartNotifyEventSource(Pg_ConnectionId * connid)
{
	/* Start the notify event source if it isn't already running */
	if (!connid->notifier_running)
	{
		int			pqsock = PQsocket(connid->conn);

		if (pqsock >= 0)
		{
#if TCL_MAJOR_VERSION >= 8
			Tcl_CreateChannelHandler(connid->notifier_channel,
									 TCL_READABLE,
									 Pg_Notify_FileHandler,
									 (ClientData) connid);
#else
			/* In Tcl 7.5 and 7.6, we need to gin up a Tcl_File. */
			Tcl_File	tclfile = Tcl_GetFile((ClientData) pqsock, TCL_UNIX_FD);

			Tcl_CreateFileHandler(tclfile, TCL_READABLE,
							 Pg_Notify_FileHandler, (ClientData) connid);
			connid->notifier_socket = pqsock;
#endif
			connid->notifier_running = 1;
		}
	}
}
Пример #3
0
RtclSignalAction::RtclSignalAction(Tcl_Interp* interp)
  : fpInterp(interp),
    fFdPipeRead(-1),
    fFdPipeWrite(-1),
    fShuttleChn(),
    fActionSet(),
    fpScript(),
    fOldAction()
{
  for (size_t i=0; i<32; i++) {
    fActionSet[i] = false;
    ::memset(&fOldAction[i], 0, sizeof(fOldAction[0]));
  }

  int pipefd[2];
  if (::pipe(pipefd) < 0) 
    throw Rexception("RtclSignalAction::<ctor>", "pipe() failed: ", errno);

  fFdPipeRead  = pipefd[0];
  fFdPipeWrite = pipefd[1];

  fShuttleChn = Tcl_MakeFileChannel((ClientData)fFdPipeRead, TCL_READABLE);

  Tcl_SetChannelOption(NULL, fShuttleChn, "-buffersize", "64");
  Tcl_SetChannelOption(NULL, fShuttleChn, "-encoding", "binary");
  Tcl_SetChannelOption(NULL, fShuttleChn, "-translation", "binary");

  Tcl_CreateChannelHandler(fShuttleChn, TCL_READABLE, 
                           (Tcl_FileProc*) ThunkTclChannelHandler,
                           (ClientData) this);
}
Пример #4
0
CAMLprim value camltk_add_file_output(value fd, value cbid)
{
  CheckInit();
  Tcl_CreateChannelHandler(tcl_channel(fd, TCL_WRITABLE),
                           TCL_WRITABLE,
                           FileProc, (ClientData) (Int_val(cbid)));
  return Val_unit;
}
Пример #5
0
void
TnmCreateSocketHandler(int sock, int mask, TnmSocketProc *proc, ClientData clientData)
{
    SocketHandler *shPtr;

    shPtr = (SocketHandler *) ckalloc(sizeof(SocketHandler));
    shPtr->sd = sock;
    shPtr->channel = Tcl_MakeTcpClientChannel((ClientData) sock);
    shPtr->proc = proc;
    shPtr->clientData = clientData;
    Tcl_RegisterChannel((Tcl_Interp *) NULL, shPtr->channel);
    Tcl_CreateChannelHandler(shPtr->channel, mask, proc, clientData);
    shPtr->nextPtr = socketHandlerList;
    socketHandlerList = shPtr;
}
Пример #6
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);
}
Пример #7
0
void
Tcl_Main(
    int argc,			/* Number of arguments. */
    char **argv,		/* Array of argument strings. */
    Tcl_AppInitProc *appInitProc)
				/* Application-specific initialization
				 * function to call after most initialization
				 * but before starting to execute commands. */
{
    Tcl_Obj *path, *resultPtr, *argvPtr, *commandPtr = NULL;
    const char *encodingName = NULL;
    PromptType prompt = PROMPT_START;
    int code, length, tty, exitCode = 0;
    Tcl_Channel inChannel, outChannel, errChannel;
    Tcl_Interp *interp;
    Tcl_DString appName;

    Tcl_FindExecutable(argv[0]);

    interp = Tcl_CreateInterp();
    Tcl_InitMemory(interp);

    /*
     * 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 == strcmp("-encoding", argv[1]))
		&& ('-' != argv[3][0])) {
	    Tcl_SetStartupScript(Tcl_NewStringObj(argv[3], -1), argv[2]);
	    argc -= 3;
	    argv += 3;
	} else if ((argc > 1) && ('-' != argv[1][0])) {
	    Tcl_SetStartupScript(Tcl_NewStringObj(argv[1], -1), NULL);
	    argc--;
	    argv++;
	}
    }

    path = Tcl_GetStartupScript(&encodingName);
    if (path == NULL) {
	Tcl_ExternalToUtfDString(NULL, argv[0], -1, &appName);
    } else {
	const char *pathName = Tcl_GetStringFromObj(path, &length);

	Tcl_ExternalToUtfDString(NULL, pathName, length, &appName);
	path = Tcl_NewStringObj(Tcl_DStringValue(&appName), -1);
	Tcl_SetStartupScript(path, encodingName);
    }
    Tcl_SetVar(interp, "argv0", Tcl_DStringValue(&appName), TCL_GLOBAL_ONLY);
    Tcl_DStringFree(&appName);
    argc--;
    argv++;

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

    argvPtr = Tcl_NewListObj(0, NULL);
    while (argc--) {
	Tcl_DString ds;

	Tcl_ExternalToUtfDString(NULL, *argv++, -1, &ds);
	Tcl_ListObjAppendElement(NULL, argvPtr, Tcl_NewStringObj(
		Tcl_DStringValue(&ds), Tcl_DStringLength(&ds)));
	Tcl_DStringFree(&ds);
    }
    Tcl_SetVar2Ex(interp, "argv", NULL, argvPtr, TCL_GLOBAL_ONLY);

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

    tty = isatty(0);
    Tcl_SetVar(interp, "tcl_interactive", ((path == NULL) && tty) ? "1" : "0",
	    TCL_GLOBAL_ONLY);

    /*
     * Invoke application-specific initialization.
     */

    Tcl_Preserve(interp);
    if (appInitProc(interp) != TCL_OK) {
	errChannel = Tcl_GetStdChannel(TCL_STDERR);
	if (errChannel) {
	    Tcl_WriteChars(errChannel,
		    "application-specific initialization failed: ", -1);
	    Tcl_WriteObj(errChannel, Tcl_GetObjResult(interp));
	    Tcl_WriteChars(errChannel, "\n", 1);
	}
    }
    if (Tcl_InterpDeleted(interp)) {
	goto done;
    }
    if (Tcl_LimitExceeded(interp)) {
	goto done;
    }

    /*
     * If a script file was specified then just source that file and quit.
     * Must fetch it again, as the appInitProc might have reset it.
     */

    path = Tcl_GetStartupScript(&encodingName);
    if (path != NULL) {
	code = Tcl_FSEvalFileEx(interp, path, encodingName);
	if (code != TCL_OK) {
	    errChannel = Tcl_GetStdChannel(TCL_STDERR);
	    if (errChannel) {
		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(errChannel, valuePtr);
		}
		Tcl_WriteChars(errChannel, "\n", 1);
	    }
	    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.
     */

    commandPtr = Tcl_NewObj();
    Tcl_IncrRefCount(commandPtr);

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

    Tcl_LinkVar(interp, "tcl_interactive", (char *) &tty, TCL_LINK_BOOLEAN);
    inChannel = Tcl_GetStdChannel(TCL_STDIN);
    outChannel = Tcl_GetStdChannel(TCL_STDOUT);
    while ((inChannel != NULL) && !Tcl_InterpDeleted(interp)) {
	if (mainLoopProc == NULL) {
	    if (tty) {
		Prompt(interp, &prompt);
		if (Tcl_InterpDeleted(interp)) {
		    break;
		}
		if (Tcl_LimitExceeded(interp)) {
		    break;
		}
		inChannel = Tcl_GetStdChannel(TCL_STDIN);
		if (inChannel == NULL) {
		    break;
		}
	    }
	    if (Tcl_IsShared(commandPtr)) {
		Tcl_DecrRefCount(commandPtr);
		commandPtr = Tcl_DuplicateObj(commandPtr);
		Tcl_IncrRefCount(commandPtr);
	    }
	    length = Tcl_GetsObj(inChannel, commandPtr);
	    if (length < 0) {
		if (Tcl_InputBlocked(inChannel)) {
		    /*
		     * 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(commandPtr)) {
		Tcl_DecrRefCount(commandPtr);
		commandPtr = Tcl_DuplicateObj(commandPtr);
		Tcl_IncrRefCount(commandPtr);
	    }
	    Tcl_AppendToObj(commandPtr, "\n", 1);
	    if (!TclObjCommandComplete(commandPtr)) {
		prompt = PROMPT_CONTINUE;
		continue;
	    }

	    prompt = PROMPT_START;

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

	    Tcl_GetStringFromObj(commandPtr, &length);
	    Tcl_SetObjLength(commandPtr, --length);
	    code = Tcl_RecordAndEvalObj(interp, commandPtr, TCL_EVAL_GLOBAL);
	    inChannel = Tcl_GetStdChannel(TCL_STDIN);
	    outChannel = Tcl_GetStdChannel(TCL_STDOUT);
	    errChannel = Tcl_GetStdChannel(TCL_STDERR);
	    Tcl_DecrRefCount(commandPtr);
	    commandPtr = Tcl_NewObj();
	    Tcl_IncrRefCount(commandPtr);
	    if (code != TCL_OK) {
		if (errChannel) {
		    Tcl_WriteObj(errChannel, Tcl_GetObjResult(interp));
		    Tcl_WriteChars(errChannel, "\n", 1);
		}
 	    } else if (tty) {
		resultPtr = Tcl_GetObjResult(interp);
		Tcl_IncrRefCount(resultPtr);
		Tcl_GetStringFromObj(resultPtr, &length);
		if ((length > 0) && outChannel) {
		    Tcl_WriteObj(outChannel, resultPtr);
		    Tcl_WriteChars(outChannel, "\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.
	     */

	    InteractiveState *isPtr = NULL;

	    if (inChannel) {
		if (tty) {
		    Prompt(interp, &prompt);
		}
		isPtr = (InteractiveState *)
			ckalloc(sizeof(InteractiveState));
		isPtr->input = inChannel;
		isPtr->tty = tty;
		isPtr->commandPtr = commandPtr;
		isPtr->prompt = prompt;
		isPtr->interp = interp;

		Tcl_UnlinkVar(interp, "tcl_interactive");
		Tcl_LinkVar(interp, "tcl_interactive", (char *) &(isPtr->tty),
			TCL_LINK_BOOLEAN);

		Tcl_CreateChannelHandler(inChannel, TCL_READABLE, StdinProc,
			isPtr);
	    }

	    mainLoopProc();
	    mainLoopProc = NULL;

	    if (inChannel) {
		tty = isPtr->tty;
		Tcl_UnlinkVar(interp, "tcl_interactive");
		Tcl_LinkVar(interp, "tcl_interactive", (char *) &tty,
			TCL_LINK_BOOLEAN);
		prompt = isPtr->prompt;
		commandPtr = isPtr->commandPtr;
		if (isPtr->input != NULL) {
		    Tcl_DeleteChannelHandler(isPtr->input, StdinProc, isPtr);
		}
		ckfree((char *) isPtr);
	    }
	    inChannel = Tcl_GetStdChannel(TCL_STDIN);
	    outChannel = Tcl_GetStdChannel(TCL_STDOUT);
	    errChannel = Tcl_GetStdChannel(TCL_STDERR);
	}
#ifdef TCL_MEM_DEBUG

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

	if (tclMemDumpFileName != NULL) {
	    mainLoopProc = NULL;
	    Tcl_DeleteInterp(interp);
	}
#endif
    }

  done:
    if ((exitCode == 0) && (mainLoopProc != NULL)
	    && !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();
	mainLoopProc = NULL;
    }
    if (commandPtr != NULL) {
	Tcl_DecrRefCount(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)) {
	if (!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.
	 */

	if (!Tcl_InterpDeleted(interp)) {
	    Tcl_DeleteInterp(interp);
	}
    }
    Tcl_SetStartupScript(NULL, NULL);

    /*
     * If we get here, the master interp has been deleted. Allow its
     * destruction with the last matching Tcl_Release.
     */

    Tcl_Release(interp);
    Tcl_Exit(exitCode);
}
Пример #8
0
int
_ged_run_rtwizard(struct ged *gedp)
{
    int i;
    FILE *fp_in;
#ifndef _WIN32
    int pipe_in[2];
    int pipe_err[2];
#else
    HANDLE pipe_in[2], pipe_inDup;
    HANDLE pipe_err[2], pipe_errDup;
    STARTUPINFO si = {0};
    PROCESS_INFORMATION pi = {0};
    SECURITY_ATTRIBUTES sa = {0};
    struct bu_vls line = BU_VLS_INIT_ZERO;
#endif
    struct ged_run_rt *run_rtp;
    struct _ged_rt_client_data *drcdp;
#ifndef _WIN32
    int pid;
    int ret;

    ret = pipe(pipe_in);
    if (ret < 0)
	perror("pipe");
    ret = pipe(pipe_err);
    if (ret < 0)
	perror("pipe");

    if ((pid = fork()) == 0) {
	/* make this a process group leader */
	setpgid(0, 0);

	/* Redirect stdin and stderr */
	(void)close(0);
	ret = dup(pipe_in[0]);
	if (ret < 0)
	    perror("dup");
	(void)close(2);
	ret = dup(pipe_err[1]);
	if (ret < 0)
	    perror("dup");

	/* close pipes */
	(void)close(pipe_in[0]);
	(void)close(pipe_in[1]);
	(void)close(pipe_err[0]);
	(void)close(pipe_err[1]);

	for (i = 3; i < 20; i++)
	    (void)close(i);

	(void)execvp(gedp->ged_gdp->gd_rt_cmd[0], gedp->ged_gdp->gd_rt_cmd);
	perror(gedp->ged_gdp->gd_rt_cmd[0]);
	exit(16);
    }

    /* As parent, send view information down pipe */
    (void)close(pipe_in[0]);
    fp_in = fdopen(pipe_in[1], "w");

    (void)close(pipe_err[1]);

    (void)fclose(fp_in);

    /* must be BU_GET() to match release in _ged_rt_output_handler */
    BU_GET(run_rtp, struct ged_run_rt);
    BU_LIST_INIT(&run_rtp->l);
    BU_LIST_APPEND(&gedp->ged_gdp->gd_headRunRt.l, &run_rtp->l);

    run_rtp->fd = pipe_err[0];
    run_rtp->pid = pid;

    /* must be BU_GET() to match release in _ged_rt_output_handler */
    BU_GET(drcdp, struct _ged_rt_client_data);
    drcdp->gedp = gedp;
    drcdp->rrtp = run_rtp;

    Tcl_CreateFileHandler(run_rtp->fd,
			  TCL_READABLE,
			  _ged_rt_output_handler,
			  (ClientData)drcdp);

    return 0;

#else
    sa.nLength = sizeof(sa);
    sa.bInheritHandle = TRUE;
    sa.lpSecurityDescriptor = NULL;

    /* Create a pipe for the child process's STDOUT. */
    CreatePipe(&pipe_err[0], &pipe_err[1], &sa, 0);

    /* Create noninheritable read handle and close the inheritable read handle. */
    DuplicateHandle(GetCurrentProcess(), pipe_err[0],
		    GetCurrentProcess(),  &pipe_errDup ,
		    0,  FALSE,
		    DUPLICATE_SAME_ACCESS);
    CloseHandle(pipe_err[0]);

    /* Create a pipe for the child process's STDIN. */
    CreatePipe(&pipe_in[0], &pipe_in[1], &sa, 0);

    /* Duplicate the write handle to the pipe so it is not inherited. */
    DuplicateHandle(GetCurrentProcess(), pipe_in[1],
		    GetCurrentProcess(), &pipe_inDup,
		    0, FALSE,                  /* not inherited */
		    DUPLICATE_SAME_ACCESS);
    CloseHandle(pipe_in[1]);


    si.cb = sizeof(STARTUPINFO);
    si.lpReserved = NULL;
    si.lpReserved2 = NULL;
    si.cbReserved2 = 0;
    si.lpDesktop = NULL;
    si.dwFlags = STARTF_USESTDHANDLES;
    si.hStdInput   = pipe_in[0];
    si.hStdOutput  = pipe_err[1];
    si.hStdError   = pipe_err[1];

    for (i = 0; i < gedp->ged_gdp->gd_rt_cmd_len; i++) {
	bu_vls_printf(&line, "\"%s\" ", gedp->ged_gdp->gd_rt_cmd[i]);
    }

    CreateProcess(NULL, bu_vls_addr(&line), NULL, NULL, TRUE,
		  DETACHED_PROCESS, NULL, NULL,
		  &si, &pi);
    bu_vls_free(&line);

    CloseHandle(pipe_in[0]);
    CloseHandle(pipe_err[1]);

    /* As parent, send view information down pipe */
    fp_in = _fdopen(_open_osfhandle((intptr_t)pipe_inDup, _O_TEXT), "wb");

    (void)fclose(fp_in);

    /* must be BU_GET() to match release in _ged_rt_output_handler */
    BU_GET(run_rtp, struct ged_run_rt);
    BU_LIST_INIT(&run_rtp->l);
    BU_LIST_APPEND(&gedp->ged_gdp->gd_headRunRt.l, &run_rtp->l);

    run_rtp->fd = pipe_errDup;
    run_rtp->hProcess = pi.hProcess;
    run_rtp->pid = pi.dwProcessId;
    run_rtp->aborted=0;
    run_rtp->chan = Tcl_MakeFileChannel(run_rtp->fd, TCL_READABLE);

    /* must be BU_GET() to match release in _ged_rt_output_handler */
    BU_GET(drcdp, struct _ged_rt_client_data);
    drcdp->gedp = gedp;
    drcdp->rrtp = run_rtp;

    Tcl_CreateChannelHandler(run_rtp->chan,
			     TCL_READABLE,
			     _ged_rt_output_handler,
			     (ClientData)drcdp);

    return 0;
#endif
}
Пример #9
0
    /* ARGSUSED */
static void
StdinProc(
    ClientData clientData,	/* The state of interactive cmd line */
    int mask)			/* Not used. */
{
    char *cmd;
    int code, count;
    InteractiveState *isPtr = clientData;
    Tcl_Channel chan = isPtr->input;
    Tcl_Interp *interp = isPtr->interp;

    count = Tcl_Gets(chan, &isPtr->line);

    if (count < 0 && !isPtr->gotPartial) {
	if (isPtr->tty) {
	    Tcl_Exit(0);
	} else {
	    Tcl_DeleteChannelHandler(chan, StdinProc, isPtr);
	}
	return;
    }

    Tcl_DStringAppend(&isPtr->command, Tcl_DStringValue(&isPtr->line), -1);
    cmd = Tcl_DStringAppend(&isPtr->command, "\n", -1);
    Tcl_DStringFree(&isPtr->line);
    if (!Tcl_CommandComplete(cmd)) {
	isPtr->gotPartial = 1;
	goto prompt;
    }
    isPtr->gotPartial = 0;

    /*
     * Disable the stdin channel handler while evaluating the command;
     * otherwise if the command re-enters the event loop we might process
     * commands from stdin before the current command is finished. Among other
     * things, this will trash the text of the command being evaluated.
     */

    Tcl_CreateChannelHandler(chan, 0, StdinProc, isPtr);
    code = Tcl_RecordAndEval(interp, cmd, TCL_EVAL_GLOBAL);

    isPtr->input = Tcl_GetStdChannel(TCL_STDIN);
    if (isPtr->input) {
	Tcl_CreateChannelHandler(isPtr->input, TCL_READABLE, StdinProc, isPtr);
    }
    Tcl_DStringFree(&isPtr->command);
    if (Tcl_GetStringResult(interp)[0] != '\0') {
	if ((code != TCL_OK) || (isPtr->tty)) {
	    chan = Tcl_GetStdChannel((code != TCL_OK) ? TCL_STDERR : TCL_STDOUT);
	    if (chan) {
		Tcl_WriteObj(chan, Tcl_GetObjResult(interp));
		Tcl_WriteChars(chan, "\n", 1);
	    }
	}
    }

    /*
     * If a tty stdin is still around, output a prompt.
     */

  prompt:
    if (isPtr->tty && (isPtr->input != NULL)) {
	Prompt(interp, isPtr);
    }
    Tcl_ResetResult(interp);
}
Пример #10
0
void
Tk_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, *argvPtr, *appName;
    const char *encodingName;
    int code, nullStdin = 0;
    Tcl_Channel chan;
    InteractiveState is;

    /*
     * Ensure that we are getting a compatible version of Tcl. This is really
     * only an issue when Tk is loaded dynamically.
     */

    if (Tcl_InitStubs(interp, TCL_VERSION, 0) == NULL) {
	abort();
    }

#if defined(__WIN32__) && !defined(__WIN64__) && !defined(UNICODE) && !defined(STATIC_BUILD)

    if (tclStubsPtr->reserved9) {
	/* We are running win32 Tk under Cygwin, so let's check
	 * whether the env("DISPLAY") variable or the -display
	 * argument is set. If so, we really want to run the
	 * Tk_MainEx function of libtk8.?.dll, not this one. */
	if (Tcl_GetVar2(interp, "env", "DISPLAY", TCL_GLOBAL_ONLY)) {
	loadCygwinTk:
	    if (TkCygwinMainEx(argc, argv, appInitProc, interp)) {
		/* Should never reach here. */
		return;
	    }
	} else {
	    int i;

	    for (i = 1; i < argc; ++i) {
		if (!_tcscmp(argv[i], TEXT("-display"))) {
		    goto loadCygwinTk;
		}
	    }
	}
    }
#endif

    Tcl_InitMemory(interp);

    is.interp = interp;
    is.gotPartial = 0;
    Tcl_Preserve(interp);

#if defined(__WIN32__) && !defined(__CYGWIN__)
    Tk_InitConsoleChannels(interp);
#endif

#ifdef MAC_OSX_TK
    if (Tcl_GetStartupScript(NULL) == NULL) {
	TkMacOSXDefaultStartupScript();
    }
#endif

    /*
     * 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)) {
	size_t length;

	/*
	 * Check whether first 3 args (argv[1] - argv[3]) look like
	 *  -encoding ENCODING FILENAME
	 * or like
	 *  FILENAME
	 * or like
	 *  -file FILENAME		(ancient history support only)
	 */

	if ((argc > 3) && (0 == _tcscmp(TEXT("-encoding"), argv[1]))
		&& (TEXT('-') != 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) && (TEXT('-') != argv[1][0])) {
	    Tcl_SetStartupScript(NewNativeObj(argv[1], -1), NULL);
	    argc--;
	    argv++;
	} else if ((argc > 2) && (length = _tcslen(argv[1]))
		&& (length > 1) && (0 == _tcsncmp(TEXT("-file"), argv[1], length))
		&& (TEXT('-') != argv[2][0])) {
	    Tcl_SetStartupScript(NewNativeObj(argv[2], -1), NULL);
	    argc -= 2;
	    argv += 2;
	}
    }

    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);
#if defined(MAC_OSX_TK)
    /*
     * On TkAqua, if we don't have a TTY and stdin is a special character file
     * of length 0, (e.g. /dev/null, which is what Finder sets when double
     * clicking Wish) then use the GUI console.
     */

    if (!is.tty) {
	struct stat st;

	nullStdin = fstat(0, &st) || (S_ISCHR(st.st_mode) && !st.st_blocks);
    }
#endif
    Tcl_SetVar2Ex(interp, "tcl_interactive", NULL,
	    Tcl_NewIntObj(!path && (is.tty || nullStdin)), TCL_GLOBAL_ONLY);

    /*
     * Invoke application-specific initialization.
     */

    if (appInitProc(interp) != TCL_OK) {
	TkpDisplayWarning(Tcl_GetStringResult(interp),
		"application-specific initialization failed");
    }

    /*
     * 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) {
	    /*
	     * The following statement guarantees that the errorInfo variable
	     * is set properly.
	     */

	    Tcl_AddErrorInfo(interp, "");
	    TkpDisplayWarning(Tcl_GetVar(interp, "errorInfo",
		    TCL_GLOBAL_ONLY), "Error in startup script");
	    Tcl_DeleteInterp(interp);
	    Tcl_Exit(1);
	}
	is.tty = 0;
    } else {

	/*
	 * Evaluate the .rc file, if one has been specified.
	 */

	Tcl_SourceRCFile(interp);

	/*
	 * Establish a channel handler for stdin.
	 */

	is.input = Tcl_GetStdChannel(TCL_STDIN);
	if (is.input) {
	    Tcl_CreateChannelHandler(is.input, TCL_READABLE, StdinProc, &is);
	}
	if (is.tty) {
	    Prompt(interp, &is);
	}
    }

    chan = Tcl_GetStdChannel(TCL_STDOUT);
    if (chan) {
	Tcl_Flush(chan);
    }
    Tcl_DStringInit(&is.command);
    Tcl_DStringInit(&is.line);
    Tcl_ResetResult(interp);

    /*
     * Loop infinitely, waiting for commands to execute. When there are no
     * windows left, Tk_MainLoop returns and we exit.
     */

    Tk_MainLoop();
    Tcl_DeleteInterp(interp);
    Tcl_Release(interp);
    Tcl_SetStartupScript(NULL, NULL);
    Tcl_Exit(0);
}
Пример #11
0
    /* ARGSUSED */
static void
StdinProc(ClientData clientData, int mask)
{
    static int gotPartial = 0;
    char *cmd;
    int code, count;
    Tcl_Channel chan = (Tcl_Channel) clientData;
    ThreadSpecificData *tsdPtr = (ThreadSpecificData *) 
            Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
    Tcl_Interp *interp = tsdPtr->interp;

    count = Tcl_Gets(chan, &tsdPtr->line);

    if (count < 0) {
	if (!gotPartial) {
	    if (tsdPtr->tty) {
		Tcl_Exit(0);
	    } else {
		Tcl_DeleteChannelHandler(chan, StdinProc, (ClientData) chan);
	    }
	    return;
	} 
    }

    (void) Tcl_DStringAppend(&tsdPtr->command, Tcl_DStringValue(
            &tsdPtr->line), -1);
    cmd = Tcl_DStringAppend(&tsdPtr->command, "\n", -1);
    Tcl_DStringFree(&tsdPtr->line);
    if (!Tcl_CommandComplete(cmd)) {
        gotPartial = 1;
        goto prompt;
    }
    gotPartial = 0;

    /*
     * Disable the stdin channel handler while evaluating the command;
     * otherwise if the command re-enters the event loop we might
     * process commands from stdin before the current command is
     * finished.  Among other things, this will trash the text of the
     * command being evaluated.
     */

    Tcl_CreateChannelHandler(chan, 0, StdinProc, (ClientData) chan);
    code = Tcl_RecordAndEval(interp, cmd, TCL_EVAL_GLOBAL);
    
    chan = Tcl_GetStdChannel(TCL_STDIN);
    if (chan) {
	Tcl_CreateChannelHandler(chan, TCL_READABLE, StdinProc,
		(ClientData) chan);
    }
    Tcl_DStringFree(&tsdPtr->command);
    if (Tcl_GetStringResult(interp)[0] != '\0') {
	if ((code != TCL_OK) || (tsdPtr->tty)) {
	    chan = Tcl_GetStdChannel(TCL_STDOUT);
	    if (chan) {
		Tcl_WriteObj(chan, Tcl_GetObjResult(interp));
		Tcl_WriteChars(chan, "\n", 1);
	    }
	}
    }

    /*
     * Output a prompt.
     */

    prompt:
    if (tsdPtr->tty) {
	Prompt(interp, gotPartial);
    }
    Tcl_ResetResult(interp);
}
Пример #12
0
void
Tk_MainEx(
    int argc,			/* Number of arguments. */
    char **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, *argvPtr;
    const char *encodingName;
    int code, nullStdin = 0;
    Tcl_Channel inChannel, outChannel;
    ThreadSpecificData *tsdPtr;
#ifdef __WIN32__
    HANDLE handle;
#endif
    Tcl_DString appName;

    /*
     * Ensure that we are getting a compatible version of Tcl. This is really
     * only an issue when Tk is loaded dynamically.
     */

    if (Tcl_InitStubs(interp, TCL_VERSION, 0) == NULL) {
	abort();
    }

    tsdPtr = Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));

    Tcl_FindExecutable(argv[0]);
    tsdPtr->interp = interp;
    Tcl_Preserve(interp);

#if defined(__WIN32__)
    Tk_InitConsoleChannels(interp);
#endif

#ifdef MAC_OSX_TK
    if (Tcl_GetStartupScript(NULL) == NULL) {
	TkMacOSXDefaultStartupScript();
    }
#endif

#ifdef TCL_MEM_DEBUG
    Tcl_InitMemory(interp);
#endif

    /*
     * 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)) {
	size_t length;

	/*
	 * Check whether first 3 args (argv[1] - argv[3]) look like
	 * 	-encoding ENCODING FILENAME
	 * or like
	 * 	FILENAME
	 * or like
	 *	-file FILENAME		(ancient history support only)
	 */

	if ((argc > 3) && (0 == strcmp("-encoding", argv[1]))
		&& ('-' != argv[3][0])) {
	    Tcl_SetStartupScript(Tcl_NewStringObj(argv[3], -1), argv[2]);
	    argc -= 3;
	    argv += 3;
	} else if ((argc > 1) && ('-' != argv[1][0])) {
	    Tcl_SetStartupScript(Tcl_NewStringObj(argv[1], -1), NULL);
	    argc--;
	    argv++;
	} else if ((argc > 2) && (length = strlen(argv[1]))
		&& (length > 1) && (0 == strncmp("-file", argv[1], length))
		&& ('-' != argv[2][0])) {
	    Tcl_SetStartupScript(Tcl_NewStringObj(argv[2], -1), NULL);
	    argc -= 2;
	    argv += 2;
	}
    }

    path = Tcl_GetStartupScript(&encodingName);
    if (NULL == path) {
	Tcl_ExternalToUtfDString(NULL, argv[0], -1, &appName);
    } else {
	int numBytes;
	const char *pathName = Tcl_GetStringFromObj(path, &numBytes);

	Tcl_ExternalToUtfDString(NULL, pathName, numBytes, &appName);
	path = Tcl_NewStringObj(Tcl_DStringValue(&appName), -1);
	Tcl_SetStartupScript(path, encodingName);
    }
    Tcl_SetVar(interp, "argv0", Tcl_DStringValue(&appName), TCL_GLOBAL_ONLY);
    Tcl_DStringFree(&appName);
    argc--;
    argv++;

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

    argvPtr = Tcl_NewListObj(0, NULL);
    while (argc--) {
	Tcl_DString ds;

	Tcl_ExternalToUtfDString(NULL, *argv++, -1, &ds);
	Tcl_ListObjAppendElement(NULL, argvPtr, Tcl_NewStringObj(
		Tcl_DStringValue(&ds), Tcl_DStringLength(&ds)));
	Tcl_DStringFree(&ds);
    }
    Tcl_SetVar2Ex(interp, "argv", NULL, argvPtr, TCL_GLOBAL_ONLY);

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

#ifdef __WIN32__
    /*
     * For now, under Windows, we assume we are not running as a console mode
     * app, so we need to use the GUI console. In order to enable this, we
     * always claim to be running on a tty. This probably isn't the right way
     * to do it.
     */

    handle = GetStdHandle(STD_INPUT_HANDLE);

    if ((handle == INVALID_HANDLE_VALUE) || (handle == 0)
	     || (GetFileType(handle) == FILE_TYPE_UNKNOWN)) {
	/*
	 * If it's a bad or closed handle, then it's been connected to a wish
	 * console window.
	 */

	tsdPtr->tty = 1;
    } else if (GetFileType(handle) == FILE_TYPE_CHAR) {
	/*
	 * A character file handle is a tty by definition.
	 */

	tsdPtr->tty = 1;
    } else {
	tsdPtr->tty = 0;
    }

#else
    tsdPtr->tty = isatty(0);
#endif
#if defined(MAC_OSX_TK)
    /*
     * On TkAqua, if we don't have a TTY and stdin is a special character file
     * of length 0, (e.g. /dev/null, which is what Finder sets when double
     * clicking Wish) then use the GUI console.
     */
    
    if (!tsdPtr->tty) {
	struct stat st;

	nullStdin = fstat(0, &st) || (S_ISCHR(st.st_mode) && !st.st_blocks);
    }
#endif
    Tcl_SetVar(interp, "tcl_interactive",
	    ((path == NULL) && (tsdPtr->tty || nullStdin)) ? "1" : "0",
	    TCL_GLOBAL_ONLY);

    /*
     * Invoke application-specific initialization.
     */

    if (appInitProc(interp) != TCL_OK) {
	TkpDisplayWarning(Tcl_GetStringResult(interp),
		"Application initialization failed");
    }

    /*
     * 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) {
	    /*
	     * The following statement guarantees that the errorInfo variable
	     * is set properly.
	     */

	    Tcl_AddErrorInfo(interp, "");
	    TkpDisplayWarning(Tcl_GetVar(interp, "errorInfo",
		    TCL_GLOBAL_ONLY), "Error in startup script");
	    Tcl_DeleteInterp(interp);
	    Tcl_Exit(1);
	}
	tsdPtr->tty = 0;
    } else {

	/*
	 * Evaluate the .rc file, if one has been specified.
	 */

	Tcl_SourceRCFile(interp);

	/*
	 * Establish a channel handler for stdin.
	 */

	inChannel = Tcl_GetStdChannel(TCL_STDIN);
	if (inChannel) {
	    Tcl_CreateChannelHandler(inChannel, TCL_READABLE, StdinProc,
		    inChannel);
	}
	if (tsdPtr->tty) {
	    Prompt(interp, 0);
	}
    }

    outChannel = Tcl_GetStdChannel(TCL_STDOUT);
    if (outChannel) {
	Tcl_Flush(outChannel);
    }
    Tcl_DStringInit(&tsdPtr->command);
    Tcl_DStringInit(&tsdPtr->line);
    Tcl_ResetResult(interp);

    /*
     * Loop infinitely, waiting for commands to execute. When there are no
     * windows left, Tk_MainLoop returns and we exit.
     */

    Tk_MainLoop();
    Tcl_DeleteInterp(interp);
    Tcl_Release(interp);
    Tcl_SetStartupScript(NULL, NULL);
    Tcl_Exit(0);
}
Пример #13
0
void IvyChannelClearWritableEvent(Channel channel)
{
  // On change juste le masque
  Tcl_CreateChannelHandler(channel->tcl_channel,  TCL_READABLE|TCL_EXCEPTION,	
			   IvyHandleFd, (ClientData) channel);
}
Пример #14
0
Файл: tlsIO.c Проект: fahkri/tls
static void
TlsWatchProc(ClientData instanceData,	/* The socket state. */
             int mask)			/* Events of interest; an OR-ed
                                         * combination of TCL_READABLE,
                                         * TCL_WRITABLE and TCL_EXCEPTION. */
{
    State *statePtr = (State *) instanceData;

    dprintf(stderr, "TlsWatchProc(0x%x)\n", mask);

    /* Pretend to be dead as long as the verify callback is running. 
     * Otherwise that callback could be invoked recursively. */
    if (statePtr->flags & TLS_TCL_CALLBACK) { return; }

    if (channelTypeVersion == TLS_CHANNEL_VERSION_2) {
	Tcl_Channel     downChan;

	statePtr->watchMask = mask;

	/* No channel handlers any more. We will be notified automatically
	 * about events on the channel below via a call to our
	 * 'TransformNotifyProc'. But we have to pass the interest down now.
	 * We are allowed to add additional 'interest' to the mask if we want
	 * to. But this transformation has no such interest. It just passes
	 * the request down, unchanged.
	 */

	downChan = Tls_GetParent(statePtr);

	(Tcl_GetChannelType(downChan))
	    ->watchProc(Tcl_GetChannelInstanceData(downChan), mask);

	/*
	 * Management of the internal timer.
	 */

	if (statePtr->timer != (Tcl_TimerToken) NULL) {
	    Tcl_DeleteTimerHandler(statePtr->timer);
	    statePtr->timer = (Tcl_TimerToken) NULL;
	}
	if ((mask & TCL_READABLE) && Tcl_InputBuffered(statePtr->self) > 0) {
	    /*
	     * There is interest in readable events and we actually have
	     * data waiting, so generate a timer to flush that.
	     */
	    statePtr->timer = Tcl_CreateTimerHandler(TLS_TCL_DELAY,
		    TlsChannelHandlerTimer, (ClientData) statePtr);
	}
    } else {
	if (mask == statePtr->watchMask)
	    return;

	if (statePtr->watchMask) {
	    /*
	     * Remove event handler to underlying channel, this could
	     * be because we are closing for real, or being "unstacked".
	     */

	    Tcl_DeleteChannelHandler(Tls_GetParent(statePtr),
		    TlsChannelHandler, (ClientData) statePtr);
	}
	statePtr->watchMask = mask;
	if (statePtr->watchMask) {
	    /*
	     * Setup active monitor for events on underlying Channel.
	     */

	    Tcl_CreateChannelHandler(Tls_GetParent(statePtr),
		    statePtr->watchMask, TlsChannelHandler,
		    (ClientData) statePtr);
	}
    }
}
Пример #15
0
    /* ARGSUSED */
static void
StdinProc(
    ClientData clientData,	/* The state of interactive cmd line */
    int mask)			/* Not used. */
{
    int code, length;
    InteractiveState *isPtr = clientData;
    Tcl_Channel chan = isPtr->input;
    Tcl_Obj *commandPtr = isPtr->commandPtr;
    Tcl_Interp *interp = isPtr->interp;

    if (Tcl_IsShared(commandPtr)) {
	Tcl_DecrRefCount(commandPtr);
	commandPtr = Tcl_DuplicateObj(commandPtr);
	Tcl_IncrRefCount(commandPtr);
    }
    length = Tcl_GetsObj(chan, commandPtr);
    if (length < 0) {
	if (Tcl_InputBlocked(chan)) {
	    return;
	}
	if (isPtr->tty) {
	    /*
	     * Would be better to find a way to exit the mainLoop? Or perhaps
	     * evaluate [exit]? Leaving as is for now due to compatibility
	     * concerns.
	     */

	    Tcl_Exit(0);
	}
	Tcl_DeleteChannelHandler(chan, StdinProc, isPtr);
	return;
    }

    if (Tcl_IsShared(commandPtr)) {
	Tcl_DecrRefCount(commandPtr);
	commandPtr = Tcl_DuplicateObj(commandPtr);
	Tcl_IncrRefCount(commandPtr);
    }
    Tcl_AppendToObj(commandPtr, "\n", 1);
    if (!TclObjCommandComplete(commandPtr)) {
	isPtr->prompt = PROMPT_CONTINUE;
	goto prompt;
    }
    isPtr->prompt = PROMPT_START;
    Tcl_GetStringFromObj(commandPtr, &length);
    Tcl_SetObjLength(commandPtr, --length);

    /*
     * Disable the stdin channel handler while evaluating the command;
     * otherwise if the command re-enters the event loop we might process
     * commands from stdin before the current command is finished. Among other
     * things, this will trash the text of the command being evaluated.
     */

    Tcl_CreateChannelHandler(chan, 0, StdinProc, isPtr);
    code = Tcl_RecordAndEvalObj(interp, commandPtr, TCL_EVAL_GLOBAL);
    isPtr->input = chan = Tcl_GetStdChannel(TCL_STDIN);
    Tcl_DecrRefCount(commandPtr);
    isPtr->commandPtr = commandPtr = Tcl_NewObj();
    Tcl_IncrRefCount(commandPtr);
    if (chan != NULL) {
	Tcl_CreateChannelHandler(chan, TCL_READABLE, StdinProc, isPtr);
    }
    if (code != TCL_OK) {
	chan = Tcl_GetStdChannel(TCL_STDERR);

	if (chan != NULL) {
	    Tcl_WriteObj(chan, Tcl_GetObjResult(interp));
	    Tcl_WriteChars(chan, "\n", 1);
	}
    } else if (isPtr->tty) {
	Tcl_Obj *resultPtr = Tcl_GetObjResult(interp);
	chan = Tcl_GetStdChannel(TCL_STDOUT);

	Tcl_IncrRefCount(resultPtr);
	Tcl_GetStringFromObj(resultPtr, &length);
	if ((length > 0) && (chan != NULL)) {
	    Tcl_WriteObj(chan, resultPtr);
	    Tcl_WriteChars(chan, "\n", 1);
	}
	Tcl_DecrRefCount(resultPtr);
    }

    /*
     * If a tty stdin is still around, output a prompt.
     */

  prompt:
    if (isPtr->tty && (isPtr->input != NULL)) {
	Prompt(interp, isPtr);
	isPtr->input = Tcl_GetStdChannel(TCL_STDIN);
    }
}
Пример #16
0
/*
 *----------------------------------------------------------------------
 *
 * Tk_MainOpenSees --
 *
 *	Main program for Wish and most other Tk-based applications.
 *
 * Results:
 *	None. This procedure never returns (it exits the process when
 *	it's done.
 *
 * Side effects:
 *	This procedure initializes the Tk world and then starts
 *	interpreting commands;  almost anything could happen, depending
 *	on the script being interpreted.
 *
 *----------------------------------------------------------------------
 */
void
Tk_MainOpenSees(int argc, char **argv, Tcl_AppInitProc *appInitProc, Tcl_Interp *interp)
{
    char *args, *fileName;
    char buf[TCL_INTEGER_SPACE];
    int code;
    size_t length;
    Tcl_Channel inChannel, outChannel;
    Tcl_DString argString;
    ThreadSpecificData *tsdPtr;

#ifdef __WIN32__
    HANDLE handle;
#endif

    /* fmk - beginning of modifications for OpenSees */
    fprintf(stderr,"\n\n\t OpenSees -- Open System For Earthquake Engineering Simulation");
    fprintf(stderr,"\n\tPacific Earthquake Engineering Research Center -- %s\n\n", OPS_VERSION);
    
    fprintf(stderr,"\t    (c) Copyright 1999 The Regents of the University of California");
    fprintf(stderr,"\n\t\t\t\t All Rights Reserved \n\n\n");    
    fprintf(stderr,"\t(Copyright statement @ http://www.berkeley.edu/OpenSees/copyright.html)\n\n\n");
    /* fmk - end of modifications for OpenSees */

    /*
     * Ensure that we are getting the matching version of Tcl.  This is
     * really only an issue when Tk is loaded dynamically.
     */

    if (Tcl_InitStubs(interp, TCL_VERSION, 1) == NULL) {
	abort();
    }

    tsdPtr = (ThreadSpecificData *) 
	Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
    
    Tcl_FindExecutable(argv[0]);
    tsdPtr->interp = interp;

#if (defined(__WIN32__) || defined(MAC_TCL))
    Tk_InitConsoleChannels(interp);
#endif
    
#ifdef TCL_MEM_DEBUG
    Tcl_InitMemory(interp);
#endif

    /*
     * Parse command-line arguments.  A leading "-file" argument is
     * ignored (a historical relic from the distant past).  If the
     * next argument doesn't start with a "-" then strip it off and
     * use it as the name of a script file to process.
     */

    fileName = TclGetStartupScriptFileName();

    if (argc > 1) {
	length = strlen(argv[1]);
	if ((length >= 2) && (strncmp(argv[1], "-file", length) == 0)) {
	    argc--;
	    argv++;
	}
    }
    if (fileName == NULL) {
	if ((argc > 1) && (argv[1][0] != '-')) {
	    fileName = argv[1];
	    argc--;
	    argv++;
	}
    }
    
	OpenSeesParseArgv(argc, argv);

    /*
     * Make command-line arguments available in the Tcl variables "argc"
     * and "argv".
     */

    args = Tcl_Merge(argc-1, argv+1);
    Tcl_ExternalToUtfDString(NULL, args, -1, &argString);
    Tcl_SetVar(interp, "argv", Tcl_DStringValue(&argString), TCL_GLOBAL_ONLY);
    Tcl_DStringFree(&argString);
    ckfree(args);
    sprintf(buf, "%d", argc-1);

    if (fileName == NULL) {
	Tcl_ExternalToUtfDString(NULL, argv[0], -1, &argString);
    } else {
	fileName = Tcl_ExternalToUtfDString(NULL, fileName, -1, &argString);
    }
    Tcl_SetVar(interp, "argc", buf, TCL_GLOBAL_ONLY);
    Tcl_SetVar(interp, "argv0", Tcl_DStringValue(&argString), TCL_GLOBAL_ONLY);

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

    /*
     * For now, under Windows, we assume we are not running as a console mode
     * app, so we need to use the GUI console.  In order to enable this, we
     * always claim to be running on a tty.  This probably isn't the right
     * way to do it.
     */

#ifdef __WIN32__
    handle = GetStdHandle(STD_INPUT_HANDLE);

    if ((handle == INVALID_HANDLE_VALUE) || (handle == 0) 
	     || (GetFileType(handle) == FILE_TYPE_UNKNOWN)) {
	/*
	 * If it's a bad or closed handle, then it's been connected
	 * to a wish console window.
	 */

	tsdPtr->tty = 1;
    } else if (GetFileType(handle) == FILE_TYPE_CHAR) {
	/*
	 * A character file handle is a tty by definition.
	 */

	tsdPtr->tty = 1;
    } else {
	tsdPtr->tty = 0;
    }

#else
    tsdPtr->tty = isatty(0);
#endif
    char one[2] = "1";
    char zero[2] = "0";
    Tcl_SetVar(interp, "tcl_interactive",
	    ((fileName == NULL) && tsdPtr->tty) ? one : zero, TCL_GLOBAL_ONLY);

    /*
     * Invoke application-specific initialization.
     */
	if ((*appInitProc)(interp) != TCL_OK) {
      TkpDisplayWarning(Tcl_GetStringResult(interp), "Application Inititialization Failed");
	}
    /*
     * Invoke the script specified on the command line, if any.
     */

    if (fileName != NULL) {
	Tcl_ResetResult(interp);
	code = Tcl_EvalFile(interp, fileName);
	if (code != TCL_OK) {
	    /*
	     * The following statement guarantees that the errorInfo
	     * variable is set properly.
	     */

	    Tcl_AddErrorInfo(interp, "");
	    TkpDisplayWarning(Tcl_GetVar(interp, "error Info",
					 TCL_GLOBAL_ONLY), "Error in startup script");
	    Tcl_DeleteInterp(interp);
	    Tcl_Exit(1);
	}
	tsdPtr->tty = 0;
    } else {

	/*
	 * Evaluate the .rc file, if one has been specified.
	 */

	Tcl_SourceRCFile(interp);

	/*
	 * Establish a channel handler for stdin.
	 */

	inChannel = Tcl_GetStdChannel(TCL_STDIN);
	if (inChannel) {
	    Tcl_CreateChannelHandler(inChannel, TCL_READABLE, StdinProc,
		    (ClientData) inChannel);
	}
	if (tsdPtr->tty) {
	    Prompt(interp, 0);
	}
    }
    Tcl_DStringFree(&argString);

    outChannel = Tcl_GetStdChannel(TCL_STDOUT);
    if (outChannel) {
	Tcl_Flush(outChannel);
    }
    Tcl_DStringInit(&tsdPtr->command);
    Tcl_DStringInit(&tsdPtr->line);
    Tcl_ResetResult(interp);

    /*
     * Loop infinitely, waiting for commands to execute.  When there
     * are no windows left, Tk_MainLoop returns and we exit.
     */

    Tk_MainLoop();
    Tcl_DeleteInterp(interp);
    Tcl_Exit(0);
}
Пример #17
0
int main(int argc, char **argv) {

    bool sawParadynFlag = false;

#if defined(os_windows)
    // initialize our use of the WinSock library
    InitSockets( __argv[0] );    
#endif

    for( unsigned int i = 1; i < argc; i++ )
    {
        if( strcmp(argv[i], "--debug" ) == 0 )
        {
          xsynch_flag = true;
#if !defined(i386_unknown_nt4_0)
          cout << "tableVisi at sigpause...pid=" << getpid() << endl;
          sigpause(0);
#endif // !defined(i386_unknown_nt4_0)
        }
        else if( strcmp( argv[i], "--paradyn" ) == 0 )
        {
            sawParadynFlag = true;
        }
        else
        {
            Tcl_Panic( "unrecognized argument seen", NULL );
        }
    }

    if( !sawParadynFlag )
    {
        ShowNoSoloVisiMessage( argv[0] );
    }

    // Let Tcl know something about our executable (and do some filesystem-
    // specific initialization).
    //
    // NOTE: this is obligatory with modern versions of Tcl.
    Tcl_FindExecutable( argv[0] );

   mainInterp = Tcl_CreateInterp();
   assert(mainInterp);

#if !defined(i386_unknown_nt4_0)
   if (xsynch_flag) {
      cout << "xsynching..." << endl;
      XSynchronize(Tk_Display(Tk_MainWindow(mainInterp)), 1);
   }
#endif // !defined(i386_unknown_nt4_0)

   if (TCL_OK != Tcl_Init(mainInterp))
      tclpanic(mainInterp, "Could not Tcl_Init");

    // Set argv0 before we do any other Tk program initialization because
    // Tk takes the main window's class and instance name from argv0
    // We set it to "paradyn" instead of "termwin" so that we can 
    // set resources for all paradyn-related windows with the same root.
    Tcl_SetVar( mainInterp,
                "argv0", 
                "paradyn",
                TCL_GLOBAL_ONLY );

   if (TCL_OK != Tk_Init(mainInterp))
      tclpanic(mainInterp, "Could not Tk_Init");

   if (TCL_OK != Dg2_Init(mainInterp))
      tclpanic(mainInterp, "Could not Dg2_Init");

   PDSOCKET visi_sock = visi_Init();
   if (visi_sock < 0)
      Tcl_Panic("failed to initialize w/ visi lib", NULL);

   Tcl_SetVar(mainInterp, "tcl_interactive", "0", TCL_GLOBAL_ONLY);

   // Install our new tcl commands here:
   installTableVisiCommands(mainInterp);

   if (visi_RegistrationCallback(ADDMETRICSRESOURCES,Dg2AddMetricsCallback)!=0)
      Tcl_Panic("Dg2_Init() -- couldn't install ADDMETRICSRESOURCES callback",
        NULL);

   if (visi_RegistrationCallback(DATAVALUES, Dg2NewDataCallback) != 0)
      Tcl_Panic("Dg2_Init() -- couldn't install DATAVALUES callback", NULL);

   if (visi_RegistrationCallback(PARADYNEXITED, Dg2ParadynExitedCallback) != 0)
       panic("Dg2_Init() -- couldn't install PARADYNEXITED callback");

//   if (visi_RegistrationCallback(PHASEDATA, Dg2PhaseDataCallback) != 0)
//      panic("Dg2_Init() -- couldn't install PHASEINFO callback");

	// install a handler to notify us when there is data to be read
	Tcl_Channel visi_chan = 
	  Tcl_MakeTcpClientChannel((ClientData)(Address)(PDDESC)visi_sock);
	Tcl_CreateChannelHandler(visi_chan,
				 TCL_READABLE,
				 (Tcl_FileProc*)visiFdReadableHandler,
				 0);

   // Krishna's tcl2c stuff:
   extern int initialize_tcl_sources(Tcl_Interp *);
   if (TCL_OK != initialize_tcl_sources(mainInterp))
      tclpanic(mainInterp, "tableVisi: could not initialize_tcl_sources");

//if (Tcl_EvalFile(mainInterp, "/p/paradyn/development/tamches/core/visiClients/tableVisi/tcl/tableVisi.tcl") != TCL_OK)
//   tclpanic(mainInterp, "could not open tableVisi.tcl");

   pdLogo::install_fixed_logo("paradynLogo", logo_bits, logo_width, logo_height);
   tcl_cmd_installer createPdLogo(mainInterp, "makeLogo", pdLogo::makeLogoCommand,
				  (ClientData)Tk_MainWindow(mainInterp));

   myTclEval(mainInterp, "initializeTableVisi");

   // Create our main data structure:
   theTableVisi = new tableVisi(mainInterp,
                                Tk_NameToWindow(mainInterp, ".body",
                                Tk_MainWindow(mainInterp)),
                                "lightBlue", // line color
                                "blue", // metric color
                                "black", // metric units color
                                "maroon3", // focus color
                                "black", // cell color
                                "gray", // background color
                                "lightGray", // highlight background color
                                3 // initial # sig figs
                                );
   assert(theTableVisi);

   Tk_MainLoop(); // returns when all tk windows are closed

   delete theTableVisi;
   theTableVisi = NULL;

   return 0;
}