Re: [PATCH 0/7] Implement proposed POSIX _clockwait variants of existing _timedwait functions

[Yann Droneaud <ydroneaud@opteya.com>]

Hi,

Le mercredi 27 février 2019 à 18:23 +0000, Mike Crowe a écrit :
> My attempts[1] to add a variant of pthread_cond_timedwait that would accept
> a clockid_t parameter led me to propose[2] to The Austin Group the addition
> of an entire family of functions that accept a clockid_t parameter to
> indicate the clock that the timespec absolute timeout parameter should be
> measured against. They responded positively to the request but an
> implementation is required before the proposal can proceed.
> 
> This patch series is the first part of that implementation in glibc, it
> contains four new functions:
> 
> int pthread_cond_clockwait(pthread_cond_t *cond, pthread_mutex_t *mutex,
>                            clockid_t clock, const struct timespec *abstime)
> 
> int pthread_rwlock_clockrdlock(pthread_rwlock_t *rwlock, clockid_t clock,
>                                const struct timespec *abstime)
> 
> int pthread_rwlock_clockwrlock(pthread_rwlock_t *rwlock, clockid_t clock,
>                                const struct timespec *abstime)
> 
> int sem_clockwait(sem_t *restrict, clockid_t clock_id, const struct
>                   timespec *restrict)
> 

There's also a pthread_timedjoin_np() that could benefit from having
"pthread_clockjoin_np()" sibling.

Regards.

-- 
Yann Droneaud
OPTEYA