1. Programming

Hello, I need to make a lib with pthread, when I run my make file all is good. But when I run my test program, I test errno in the begining and is already set to 251. Is it normal ??? What can I modify in my Makefile to have errno set to 0 ??? Thanks $make gcc -D_REENTRANT -shared -fpic... (3 Replies)

2. Programming

How should I use errno in a c program and what info does it have . I am working with directories and files. So can any one tell me How to access errno?I am using the stat() function on \etc directory and I am alble to access only the half of the directories.I am not able to access other half and... (6 Replies)

3. Linux

hello, here I am copying my code... I am using two threads for reading and writing at com ports....one for reading and one for writing...in read thread I am using select() api....and polling again and again if there is some data to be read....but select is not returning any positive value so... (0 Replies)

4. Programming

hello, here I am copying my code... I am using two threads for reading and writing at com ports....one for reading and one for writing...in read thread I am using select() api....and polling again and again if there is some data to be read....but select is not returning any positive value so... (0 Replies)

5. Programming

Hey, Can I assume that for certain function calls, errno can never be set to a certain value. More specifically, can I assume that for if the stat function call fails, the errno can never be or "No space left on device." I am assuming that a read function cannot fail because of no space... (5 Replies)

6. Shell Programming and Scripting

Hello all is there any way in unix to execute command in multithreaded way without doing it in java or cpp can one of the scripts handle multithread execution ? i need to test server requests ( corba ) in multithread Thanks (0 Replies)

7. UNIX for Advanced & Expert Users

hi all, i am using pthreads. What will happen if a thread does a fork? will all the threads are duplicated for the new process or only the called thread is duplicated? are the resources shared across the processes? thank you (0 Replies)

8. Programming

I'd like to write a program (I'm flexible on language; C/C++ was my original idea but a scripting language would probably be better) that runs hundreds of programs, but only N = 4 (say) at a time. The idea is to keep all the cores on a multicore machine busy. How can I do this? In particular,... (6 Replies)

9. Programming

here the program gives a odd result: #include <stdio.h> int main(){ perror("first"); perror("next"); return 0; } result: first: Success next: Illegal seek why? any resonable explanation? i found no information about this in man pages. thanks in advance (2 Replies)

10. AIX

Hi, I need to look at a recent copy of /usr/include/errno.h from AIX 7.2 to check some symbols. In particular, I'm curious if it defines EOWNERDEAD and ENOTRECOVERABLE. Can someone who has access to 7.2 please check for me? Thanks! (1 Reply)