Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.programming.threads > #861

Re: pthread_join crash

From somenathpal@gmail.com
Newsgroups comp.programming.threads
Subject Re: pthread_join crash
Date 2012-05-15 00:28 -0700
Organization http://groups.google.com
Message-ID <1074960.584.1337066912671.JavaMail.geo-discussion-forums@ynjm4> (permalink)
References <9a956a1e-3d3e-4a98-b24b-beae12f40a03@n9g2000pbi.googlegroups.com> <81db5b42-ec9a-4274-a4da-faf8b54f8161@jx17g2000pbb.googlegroups.com>

Show all headers | View raw


On Tuesday, May 15, 2012 11:26:33 AM UTC+5:30, Philip Guenther wrote:
> On May 14, 8:52 pm, somenath <somenath...@gmail.com> wrote:
> > I have the following program crashing.
> >
> >  #include 
> 
> > #include <stdio.h>
> ...
> >  int main (int argc, char *argv[])
> >  {
> >      pthread_t thread_id[2];
> >      void *thread_result;
> >      int status;
> >          int i =0;
> >          while ( i ++ <2) {
> >                  status = pthread_create (&thread_id[i], NULL, thread_routine,
> > NULL);
> >                  if (status != 0)
> >                          puts ( "Create thread");
> >          }
> 
> What values does 'i' have *inside* the loop?  Where are the thread ids
> stored?
> 
I got the problem. I am going one more in thread_id array.

So for the other question 

"VAL of i = 0
============================
Why it is printing as VAL of i = 0. Shouldn't it be 1 ? "
Is it because of undefined behavior caused by the array out bound access as well ?

Thanks for the help. 

Back to comp.programming.threads | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread


Thread

pthread_join  crash somenath <somenathpal@gmail.com> - 2012-05-14 20:52 -0700
  Re: pthread_join crash Philip Guenther <guenther@gmail.com> - 2012-05-14 22:56 -0700
    Re: pthread_join crash somenathpal@gmail.com - 2012-05-15 00:28 -0700
      Re: pthread_join crash Arun Chandrasekaran <visionofarun@gmail.com> - 2012-05-15 01:51 -0700
  Re: pthread_join  crash Richard Kettlewell <rjk@greenend.org.uk> - 2012-05-15 11:16 +0100
    Re: pthread_join  crash somenathpal@gmail.com - 2012-05-15 04:03 -0700

csiph-web