int pthread_cond_timedwait(
pthread_cond_t *cond,
pthread_mutex_t *mutex,
const struct timespec *abstime
)
{
Watchdog_Interval ticks;
bool already_timedout;
TOD_Absolute_timeout_conversion_results status;
/*
* POSIX requires that blocking calls with timeouts that take
* an absolute timeout must ignore issues with the absolute
* time provided if the operation would otherwise succeed.
* So we check the abstime provided, and hold on to whether it
* is valid or not. If it isn't correct and in the future,
* then we do a polling operation and convert the UNSATISFIED
* status into the appropriate error.
*/
already_timedout = false;
status = _TOD_Absolute_timeout_to_ticks(abstime, &ticks);
if ( status == TOD_ABSOLUTE_TIMEOUT_INVALID )
return EINVAL;
if ( status == TOD_ABSOLUTE_TIMEOUT_IS_IN_PAST ||
status == TOD_ABSOLUTE_TIMEOUT_IS_NOW )
already_timedout = true;
return _POSIX_Condition_variables_Wait_support(
cond,
mutex,
ticks,
already_timedout
);
}
int pthread_cond_wait(
pthread_cond_t *cond,
pthread_mutex_t *mutex
)
{
return _POSIX_Condition_variables_Wait_support(
cond,
mutex,
THREAD_QUEUE_WAIT_FOREVER,
false
);
}
int pthread_cond_wait(
pthread_cond_t *cond,
pthread_mutex_t *mutex
)
{
return _POSIX_Condition_variables_Wait_support(
cond,
mutex,
WATCHDOG_NO_TIMEOUT,
false
);
}
