|
|
Sponsored Content
Top Forums
Programming
How to clear the content of a pipe (STDIN) after it is written to another program?
Post 302195178 by shamrock on Wednesday 14th of May 2008 01:23:57 PM
05-14-2008
|
|
10 More Discussions You Might Find Interesting
1. Programming
Hi,
Program A: uses pipe()
I am able to read the stdout of PROGAM B (stdout got through system() command) into PROGRAM A using:
* child
-> dup2(fd, STDOUT_FILENO);
-> execl("/path/PROGRAM B", "PROGRAM B", NULL);
* parent
-> char line;
-> read(fd, line, 100);
Question:
---------... (1 Reply)
Discussion started by: vvaidyan
1 Replies
2. Programming
Hi,
Program A: uses pipe()
I am able to read the stdout of PROGAM B (stdout got through system() command) into PROGRAM A using:
* child
-> dup2(fd, STDOUT_FILENO);
-> execl("/path/PROGRAM B", "PROGRAM B", NULL);
* parent
-> char line;
-> read(fd, line, 100);
Question:... (2 Replies)
Discussion started by: vvaidyan
2 Replies
3. Shell Programming and Scripting
Hello,
I have a script that monitors files uploaded via ftp. After a successful upload, the file name is written to the pipe.
There is another program that reads this pipe and allows automatically run any program or script ( say test.sh ) to process the newly uploaded file.
cat test.sh... (2 Replies)
Discussion started by: fed.linuxgossip
2 Replies
4. UNIX for Dummies Questions & Answers
Hi,
Program A: uses pipe()
I am able to read the stdout of PROGAM B (stdout got through system() command) into PROGRAM A using:
* child
-> dup2(fd, STDOUT_FILENO);
-> execl("/path/PROGRAM B", "PROGRAM B", NULL);
* parent
-> char line;
-> read(fd, line, 100);
Question:
---------... (3 Replies)
Discussion started by: vvaidyan
3 Replies
5. UNIX for Advanced & Expert Users
I have the following code which works on AIX 4.3 but fails at times on AIX 5.3
with:
cat: 0652-054 cannot write to output. There is no process to read data written to a pipe.
validator="${validator_exe} ${validator_parms}"
cmd_line="${CAT} ${data_file} | ${validator}... (6 Replies)
Discussion started by: vigsgb
6 Replies
6. AIX
Hi Everyone,
The machine I'm working on is an AIX 5.3 LPAR running on a P650. oslevel -r shows 5300-08. I'm trying to take a backup to a SCSI tape drive, which has been working up until this point. I know of nothing that has changed recently to cause this problem. But when I try to take a... (0 Replies)
Discussion started by: need2bageek
0 Replies
7. UNIX for Dummies Questions & Answers
We use SAP application cluster on AIX. Communication between 2 of its instances is failing randomly with the following error:
java.net.SocketException: There is no process to read data written to a pipe.
The above error causes a cluster restart if an important communication fails.
Can... (0 Replies)
Discussion started by: RoshniMehta
0 Replies
8. Programming
Hi,
Hopefully someone can help.
We have a process that writes a file using Connect Direct to our local Solaris server and then our C++ program will pick up the file and process it. Unfortunately, because of the size of the file, the C++ program is processing the file before it has finished... (7 Replies)
Discussion started by: chris01010
7 Replies
9. Programming
Subject: Debugging a program written in two languages
Platform: Linux (Kubuntu)
I am trying to debug a C application with bindings to some simple functions written in Ada using the GNAT Programming Studio IDE (GPS). The main entry point is in C. The debugger is gdb.
I managed to compile... (0 Replies)
Discussion started by: NiGHTS
0 Replies
10. Programming
Hello friends! i am writing a code in which i take inputs (numbers) from user and count the total number of positive, negative and zeros entered. I need to clear my standard input buffer before scanf() command. My compiler is completely ignoring the fflush(stdin) command. its not even showing any... (1 Reply)
Discussion started by: Abhishek_kumar
1 Replies
LEARN ABOUT PHP
eio_dup2
EIO_DUP2(3) 1 EIO_DUP2(3) eio_dup2 - Duplicate a file descriptor SYNOPSIS
resource eio_dup2 (mixed $fd, mixed $fd2, [int $pri = EIO_PRI_DEFAULT], [callable $callback = NULL], [mixed $data = NULL]) DESCRIPTION
eio_dup2(3) duplicates file descriptor. PARAMETERS
o $fd - Source stream, Socket resource, or numeric file descriptor o $fd2 - Target stream, Socket resource, or numeric file descriptor o $pri -The request priority: EIO_PRI_DEFAULT, EIO_PRI_MIN, EIO_PRI_MAX, or NULL. If NULL passed, $pri internally is set to EIO_PRI_DEFAULT. o $callback -$callback function is called when the request is done. It should match the following prototype: void callback(mixed $data, int $result[, resource $req]); o $data -is custom data passed to the request. o $result -request-specific result value; basically, the value returned by corresponding system call. o $req -is optional request resource which can be used with functions like eio_get_last_error(3) o $data - Arbitrary variable passed to $callback. RETURN VALUES
eio_dup2(3) returns request resource on success or FALSE on error. PHP Documentation Group EIO_DUP2(3)