1. Programming

consider if the thread routine returns any void pointer while calling pthread_join, the thread resources are freed and the thread will be terminated when the main thread is exit ,that is my assumption whether it is true how do we find whether the thread is alive or terminated how do we find... (0 Replies)

2. Programming

hallo 2 al can anyone pls tell me where and how can i find and install the pthread.h lib ? thx :cool: (2 Replies)

3. UNIX for Dummies Questions & Answers

When I use some of the pthread functions: pthread_join, pthread_exit they work perfect. But when I look in the pthread.h file I can't seem to find any implementations of the functions...where are they hiding?? (2 Replies)

4. Solaris

Hi all! I am working on unix systems.I am programming in c. I have got some problems with pthread.when I use pthread_create to creat a thread it says: (.text+0x3a): undefined reference to `pthread_create'. same is the problm with pthread_kill. Can anyone help me out here. Thanks. vij. (2 Replies)

5. UNIX for Dummies Questions & Answers

Hello, I run my pthread code on Linux with 4 processors. However, the speed up is only 2 times. The code is about solving equation (G+s(i)C)z(i)=B*us(i), i=1,...,n. Here G,C are m*m matrix, B*us(i) is a m*1 vector and s(i) are n different numbers. I need to solve the equation n times to... (2 Replies)

6. Programming

problem solved edited, sorry (1 Reply)

7. UNIX for Advanced & Expert Users

I am so confused about the user threads and kernel threads.Suppose I created a thread using pthread create call in Linux ,whether it will be a user thread or kernel thread.If it user thread,then how its map to kernel thread. I heard about the M:1,M:N,1:1 mapping methods.Which method linux is... (1 Reply)

8. Ubuntu

Hi all, I wrote some code in c, using pthread (I configured the linker and compiler in eclipse IDE first). #include <pthread.h> #include "starter.h" #include "UI.h" Page* MM; Page* Disk; PCB* all_pcb_array; void* display_prompt(void *id){ printf("Hello111\n"); return... (1 Reply)

9. Programming

I have written a C code and when i compile it there are 0 warnings and 0 errors, but when i try to run apears: ./client: symbol lookup error: ./client: undefined symbol: pthread_create, version GLIBC_2.1 the part of the code where i have the pthread_creat is: int serverConection(int... (5 Replies)

10. Programming

I have a while loop like so: while (counter (file1)); how can I pass that into a pthread_create()? I was thinking ... while(pthread_create(&path, NULL, counter, file)); is that right? (1 Reply)