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Named Pipe (FIFO) 17 Years Ago by nanodano Hi, I'm trying to write a program using named pipes, and I'm having trouble opening it. In another … line: [code] mkfifo("./fife", 0777); [/code] So my named pipe exists and I see it in my list of files… How to check if a named pipe(file) is empty 14 Years Ago by chunalt787 I need to check if a named pipe is empty. I am cycling through about 10 of them … next one. Is there any way to check if the named pipe is empty before I read? Its just a file and… Please help me with named pipe/FIFO 11 Years Ago by umesh314 Hi I started reading IPC mechanism in Linux. I know that there is no synchronizaion technique needed for pipes, but when it comes to named pipes where unrelated process can communicate with each other. Question. Does any schronization technique is needed in FIFO/named pipe or it works the same way like pipes do ? Please let me know. Re: Named Pipe (FIFO) 17 Years Ago by nanodano … wants another program to handle the other end of the pipe. I fixed my codes up and I wrote a script… Named Pipes 13 Years Ago by BobPawley Hi I am attempting to employ the named pipe application “Using Pipes for Messages” which …Borland Studio 2006 on Win 7 and need named pipes to communicate to a C# app …supposed to reverse the data sent by the Pipe-Client as a Response. Using pipelist.exe I… am able to confirm that the pipe is being established. However, when the send … Re: Please help me with named pipe/FIFO 11 Years Ago by rubberman A pipe is a pipe - consider it a FIFO (First In, First Out) queue. There are other IPC mechanisms for Linux/Unix such as Posix queues, etc. Is there something you need to accomplish in particular? Re: Named Pipe (FIFO) 17 Years Ago by Salem Look at the errno which open sets, when it returns with a failure? Re: Named Pipe (FIFO) 15 Years Ago by mustihi can you post the client program (reading program) too? Re: Named Pipe (FIFO) 15 Years Ago by Salem a) you're too late - by at least a year, check the dates. b) try programming something for yourself. c) start your own thread when you've got something to show. Re: Using Named Pipes with Asynchronous I/O Redirection to WinAPI 13 Years Ago by wisaacs …and it was very tough to discover. Named Pipes normally fail for redirection because the …lpSecurityDescriptor = NULL; // // Create the child output named pipe. // // anon. pipe would be: // if (!CreatePipe(&hOutputReadTmp,&… // So, you create another handle to the same named pipe, only write-only. // Again, must be created … Using Named Pipes with Asynchronous I/O Redirection to WinAPI 13 Years Ago by Dennis M. … asynchronous i/o, I have had suggestions to use named pipes. Before, I could read from my anonymous pipes… is why I'm switching to named; waitforallobjects(); etc). So I have the named pipe properly setup and I am creating …the process (with CreateProcess()) in the same fashion I was with an anonymous pipe… Error 231 ( All Pipe instances are busy) 15 Years Ago by arifliminto86 …MFC I am using vs2003 I have got project using named pipes. It seems to be perfect, However, When…the file it always fails the pseudo code Server - Create Named Pipe - Read File Client - Create File - Write File the…; } } I still got error message 231 which all pipe instances are busy Any idea how to solve this one… Re: Using Named Pipes with Asynchronous I/O Redirection to WinAPI 13 Years Ago by wisaacs Named pipes will work. Nothing you said is wrong, so you … Named Piped Question 13 Years Ago by bfprii …'ve just started out working with named pipes/pipes. As of right now… I conclude there's something wrong with my pipe logic. Help would be appreciated, thanks. …, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); bool fConnected = ConnectNamedPipe(pipe, NULL) ? TRUE : (GetLastError() == ERROR_PIPE_CONNECTED); if(fConnected) … Re: Named Piped Question 13 Years Ago by bfprii Ok, it seems like I have fixed part of the problem.. The pipe name was in hexadecimal. Now i'm getting ERROR 109 after I have connected. Re: Pipe implementation in C/C++ 10 Years Ago by Tumlee When you pipe two programs together via the shell, it actually just pumps … on the right. There is no real need for calling `pipe()` inside your program in this case. For example, if I… then print it to stdout. return 0; } And then I named that program "MyUpper", I would just run it… named pipes 14 Years Ago by suganthi87 … named pipes to transfer text between vc++ and delphi. The delphi code is shown below: [CODE] procedure TForm1.OnServerPipeMessage(Sender: TObject; Pipe… Re: Using Named Pipes with Asynchronous I/O Redirection to WinAPI 13 Years Ago by Dennis M. … pi; STARTUPINFO si; BOOL bSuccess = FALSE; // Let's use named pipes <3 for(int i=0;i<INSTANCES…o1.hEvent = hEvents[i]; outStd[i].hPipeInst = ::CreateNamedPipe( TEXT("\\\\.\\pipe\\arcworld"), PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED, PIPE_TYPE_MESSAGE | PIPE_READMODE_MESSAGE | PIPE_WAIT, INSTANCES, BUFSIZE… Re: Named Pipes 13 Years Ago by pritaeas This may help: [url]http://www.codeguru.com/forum/showthread.php?threadid=507198[/url] Re: Named Pipes 13 Years Ago by pritaeas Here is another one: [url]http://stackoverflow.com/questions/512366/how-do-i-send-a-string-from-one-instance-of-my-delphi-program-to-another[/url] Issues sending data over named pipes 8 Years Ago by nunntb473 …trouble getting any communication between two programs with named pipes, both on the same machine. …try { NamedPipeClientStream npcs; // "." @"\\.\pipe\TestServer" "\\\\.\\pipe\\TestServer" "TestServer" npcs = new… Parsing a log file using regular expressions 16 Years Ago by bhavna_816 … 2007 21:49:50 GMT: Named pipe <[URL="file://\\.\pipe\1111111111"]\\.\pipe\1111111111[/URL]> started for …52 GMT: Last chunck read from pipe [URL="file://\\.\pipe\1111111111"]\\.\pipe\1111111111[/URL] for <[URL…21:49:52 GMT: Closing pipe <[URL="file://\\.\pipe\1111111111"]\\.\pipe\1111111111[/URL]> for url… Reading a TxtFile in buffer and sending it with FIFO 13 Years Ago by notdoppler … fread() did what it should. When I use a named pipe to send the char array to another programm reading from… that pipe the function puts() and printf() in the programm reading… the pipe display nothing in the console I already wrote a programm… 32 bit ODBC connection in 64 bit Win7 not saving 10 Years Ago by G_Waddell …browser service was running (using a named instance,) that the instance had TCP and Named pipe connections enabled, and tested the … error so I tried changing the client configuration to Named Pipes and could then connect when running the test…an administrator account.) I need to be able specify named pipes for the connection or if I'm using … problem reading fifo 12 Years Ago by Gaiety … files i am using for reading/ writing from/to a named pipe called RNP. read.c is run on one terminal and… input , but read.c is not reading the input from PIPE. i could not find out the where it is going… Re: problem reading fifo 12 Years Ago by Gaiety … files i am using for reading/ writing from/to a named pipe called RNP. read.c is run on one terminal and… input , but read.c is not reading the input from PIPE. i could not find out the where it is going… How to pass a Structure with pointers through Named Pipes 7 Years Ago by mcjiwe … double pointer structure inside that I need to pass through named pipes with the function WriteFile from WinAPI. typedef struct Labyrinth…(&message->game.current); fSuccess = WriteFile( hPipe, // handle to pipe &message, // buffer to write from sizeof(Message), // number of… Faster Python File Copy 10 Years Ago by mohan.jce ….S_ISFIFO(st.st_mode): raise shutil.SpecialFileError("`%s` is a named pipe" % fn) with open(src, 'rb') as fsrc: with open… Re: named pipes 14 Years Ago by FlamingClaw what do you want exactly? if you send 'abcdef' then recieve the whole string? [code=delphi]Stream.Read(S,Length(S));[/code] Re: named pipes 14 Years Ago by suganthi87 If i read it like below...then i get 0 displayed in the memo [CODE] Stream.Read(S[1], Length(S)); Memo1.Lines.Add(S); [/CODE] i think there is some incompatibility between delphi and vc++.. which i am not able to figure out