On 07/03/2012 03:17 PM, DAN LI wrote:
> Case pthread_cond_broadcast/1-2.c trys to create as many threads and 
> processes as possible which will wait on a condition variable.
> 
> Unfortunately,if some thread or child process waits overtime(180s) 
> since maybe memory is not enough or whatever, it will call FAILED() and 
> exit without unlocking a global mutex.
> 
> Above-mentioned matter leads to a deadlock when parent process trys to
> pthread_mutex_lock the global mutex,and obviously status FAILED cannot 
> be reahed by parent process.
> 
> This patch fixes the deadlock problem.
> 

pushed, thanks,

Wanlong Gao

> Signed-off-by: DAN LI <[email protected]>
> ---
>  .../interfaces/pthread_cond_broadcast/1-2.c        |    6 +++++-
>  1 files changed, 5 insertions(+), 1 deletions(-)
> 
> diff --git 
> a/testcases/open_posix_testsuite/conformance/interfaces/pthread_cond_broadcast/1-2.c
>  
> b/testcases/open_posix_testsuite/conformance/interfaces/pthread_cond_broadcast/1-2.c
> index af826ba..f6ad9df 100644
> --- 
> a/testcases/open_posix_testsuite/conformance/interfaces/pthread_cond_broadcast/1-2.c
> +++ 
> b/testcases/open_posix_testsuite/conformance/interfaces/pthread_cond_broadcast/1-2.c
> @@ -189,9 +189,13 @@ static void *child(void *arg)
>                       timed, td->predicate, ret);
>               #endif
>       } while ((ret == 0) && (td->predicate == 0));
> -     if (ret == ETIMEDOUT)
> +     if (ret == ETIMEDOUT) {
> +             ret = pthread_mutex_unlock(&td->mtx);
> +             if (ret != 0)
> +                     UNRESOLVED(ret, "Failed to unlock the mutex.");
>               FAILED("Timeout occured. This means a cond signal was lost -- "
>                      "or parent died");
> +     }
>       if (ret != 0)
>               UNRESOLVED(ret, "Failed to wait for the cond");
>  
> -- 1.7.7.2 
> 
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threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
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