/**
* @file
*
* @ingroup RTEMSScoreThreadQueue
*
* @brief This source file contains the implementation of
* _Thread_queue_Add_timeout_ticks(), _Thread_queue_Add_timeout_timespec(),
* _Thread_queue_Add_timeout_monotonic_timespec(), and
* _Thread_queue_Add_timeout_realtime_timespec().
*/
/*
* Copyright (c) 2016, 2021 embedded brains GmbH
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/score/threadqimpl.h>
#include <rtems/score/threadimpl.h>
#include <rtems/score/watchdogimpl.h>
void _Thread_queue_Add_timeout_ticks(
Thread_queue_Queue *queue,
Thread_Control *the_thread,
Per_CPU_Control *cpu_self,
Thread_queue_Context *queue_context
)
{
Watchdog_Interval ticks;
ticks = queue_context->Timeout.ticks;
if ( ticks != WATCHDOG_NO_TIMEOUT ) {
_Thread_Add_timeout_ticks(
the_thread,
cpu_self,
queue_context->Timeout.ticks
);
}
}
static void _Thread_queue_Add_timeout_timespec(
Thread_queue_Queue *queue,
Thread_Control *the_thread,
Per_CPU_Control *cpu_self,
Thread_queue_Context *queue_context,
Watchdog_Header *header,
const struct timespec *now
)
{
const struct timespec *abstime;
struct timespec base;
if ( queue_context->timeout_absolute ) {
abstime = queue_context->Timeout.arg;
} else {
base = *now;
abstime = _Watchdog_Future_timespec( &base, queue_context->Timeout.arg );
}
if ( _Watchdog_Is_valid_timespec( abstime ) ) {
uint64_t expire;
if ( abstime->tv_sec < 0 ) {
expire = 0;
} else if ( _Watchdog_Is_far_future_timespec( abstime ) ) {
expire = WATCHDOG_MAXIMUM_TICKS;
} else {
expire = _Watchdog_Ticks_from_timespec( abstime );
}
if ( expire > _Watchdog_Ticks_from_timespec( now ) ) {
ISR_lock_Context lock_context;
_ISR_lock_ISR_disable_and_acquire(
&the_thread->Timer.Lock,
&lock_context
);
the_thread->Timer.header = header;
the_thread->Timer.Watchdog.routine = _Thread_Timeout;
_Watchdog_Per_CPU_insert(
&the_thread->Timer.Watchdog,
cpu_self,
header,
expire
);
_ISR_lock_Release_and_ISR_enable(
&the_thread->Timer.Lock,
&lock_context
);
} else {
_Thread_Continue( the_thread, STATUS_TIMEOUT );
}
} else {
_Thread_Continue( the_thread, STATUS_INVALID_NUMBER );
}
}
void _Thread_queue_Add_timeout_monotonic_timespec(
Thread_queue_Queue *queue,
Thread_Control *the_thread,
Per_CPU_Control *cpu_self,
Thread_queue_Context *queue_context
)
{
struct timespec now;
_Timecounter_Getnanouptime( &now );
_Thread_queue_Add_timeout_timespec(
queue,
the_thread,
cpu_self,
queue_context,
&cpu_self->Watchdog.Header[ PER_CPU_WATCHDOG_MONOTONIC ],
&now
);
}
void _Thread_queue_Add_timeout_realtime_timespec(
Thread_queue_Queue *queue,
Thread_Control *the_thread,
Per_CPU_Control *cpu_self,
Thread_queue_Context *queue_context
)
{
struct timespec now;
_Timecounter_Getnanotime( &now );
_Thread_queue_Add_timeout_timespec(
queue,
the_thread,
cpu_self,
queue_context,
&cpu_self->Watchdog.Header[ PER_CPU_WATCHDOG_REALTIME ],
&now
);
}