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Re: linuxthreads, POSIX 1003.1j and CLOCK_MONOTONIC


On Wed, Jul 10, 2002 at 12:08:47PM -0700, Brian Kuschak wrote:
> POSIX 1003.1j defines a new clock attribute for
> condition variables, along with a new clock type,
> CLOCK_MONOTONIC.  This attribute allows
> pthreads_cond_timedwait() functions to specify their
> timeout using a clock which never jumps forward or
> backwards.  This prevents a race condition which
> occurs in the present gettimeofday() implementation if
> the system clock is stepped forward or backwards.
> 
> What is the plan for adding POSIX 1003.1j support to
> GNU linuxthreads?  Is there anyone out there who has
> implemented such a solution already?
> 

I added pthread_mutex_timedlock_rel, pthread_cond_timedwait_rel,
pthread_rwlock_timedrdlock_rel, pthread_rwlock_timedwrlock_rel and
sem_timedwait_rel to our glibc. They take a relative timeout.


H.J.


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