Re: [LTP] Openposix: pthread create, testcase 1-6

[vaibhav <v.bhav.shinde@gmail.com>]

Mike Frysinger <vapier@...> writes:

> 
> On Monday 03 December 2007, Patrick Kirsch wrote:
> > I have a question on testcase pthread_create/1-1.c :
> > there is shared variable "int *ctrl = (int *) arg;" in function
> > "hp_func" which should be protected through pthread_mutex or similar,
> > right? As I understand this shared variable should always be protected?
> > So is there a reason why there are no pthread synchronisation calls?
> >
> > As you can see in the suggested temporary patch below, is it possible to
> > add volatile-statement to the shared variables?
> >
> > I'm asking, because sometimes this testcase fails on s390x.
> 
> perhaps look at the generated assembly code and see if gcc is incorrectly 
> optimizing away memory loads ?  adding volatile sounds like you're ignoring a 
> deeper problem ...
> -mike

Hi Mike

This test case is released with volatile variable usage in LTP january release. 
I tested it for MIPS target, it FAILS giving error : 

volatile int *ctrl = (int *) arg; 

Can you please point out whats could be the exact issue? 

Looking forward to your reply. 

Thanks,
Vaibhav 
> 
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