libaitsched/src/tasks.c - diff

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Diff for /libaitsched/src/tasks.c between versions 1.13.2.2 and 1.23

version 1.13.2.2, 2012/08/22 10:38:21	version 1.23, 2014/01/28 13:17:33
Line 12 terms:	Line 12 terms:
All of the documentation and software included in the ELWIX and AITNET	All of the documentation and software included in the ELWIX and AITNET
Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>	Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>

Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012	Copyright 2004 - 2014
by Michael Pounov <misho@elwix.org>. All rights reserved.	by Michael Pounov <misho@elwix.org>. All rights reserved.

Redistribution and use in source and binary forms, with or without	Redistribution and use in source and binary forms, with or without
Line 52 SUCH DAMAGE.	Line 52 SUCH DAMAGE.
* @root = root task	* @root = root task
* return: NULL error or !=NULL prepared task	* return: NULL error or !=NULL prepared task
*/	*/
inline sched_task_t *	sched_task_t *
sched_useTask(sched_root_task_t * __restrict root)	sched_useTask(sched_root_task_t * __restrict root)
{	{
sched_task_t task, tmp;	sched_task_t task, tmp;

TAILQ_FOREACH_SAFE(task, &root->root_unuse, task_node, tmp) {
if (!TASK_ISLOCKED(task)) {
#ifdef HAVE_LIBPTHREAD	#ifdef HAVE_LIBPTHREAD
pthread_mutex_lock(&root->root_mtx[taskUNUSE]);	pthread_mutex_lock(&root->root_mtx[taskUNUSE]);
#endif	#endif
	TAILQ_FOREACH_SAFE(task, &root->root_unuse, task_node, tmp) {
	if (!TASK_ISLOCKED(task)) {
TAILQ_REMOVE(&root->root_unuse, task, task_node);	TAILQ_REMOVE(&root->root_unuse, task, task_node);
#ifdef HAVE_LIBPTHREAD
pthread_mutex_unlock(&root->root_mtx[taskUNUSE]);
#endif
break;	break;
}	}
}	}
	#ifdef HAVE_LIBPTHREAD
	pthread_mutex_unlock(&root->root_mtx[taskUNUSE]);
	#endif

if (!task) {	if (!task) {
task = malloc(sizeof(sched_task_t));	task = malloc(sizeof(sched_task_t));
Line 89 sched_useTask(sched_root_task_t * __restrict root)	Line 89 sched_useTask(sched_root_task_t * __restrict root)
* @task = task	* @task = task
* return: always is NULL	* return: always is NULL
*/	*/
inline sched_task_t *	sched_task_t *
sched_unuseTask(sched_task_t * __restrict task)	sched_unuseTask(sched_task_t * __restrict task)
{	{
TASK_UNLOCK(task);	TASK_UNLOCK(task);
Line 108 sched_unuseTask(sched_task_t * __restrict task)	Line 108 sched_unuseTask(sched_task_t * __restrict task)

#pragma GCC visibility push(hidden)	#pragma GCC visibility push(hidden)

	#ifdef HAVE_LIBPTHREAD
	static void
	_sched_threadCleanup(sched_task_t *t)
	{
	if (!t \|\| !TASK_ROOT(t))
	return;

	pthread_mutex_lock(&TASK_ROOT(t)->root_mtx[taskTHREAD]);
	TAILQ_REMOVE(&TASK_ROOT(t)->root_thread, t, task_node);
	pthread_mutex_unlock(&TASK_ROOT(t)->root_mtx[taskTHREAD]);
	sched_unuseTask(t);
	}
void *	void *
_sched_threadJoin(sched_task_t *task)	_sched_threadWrapper(sched_task_t *t)
{	{
void *ret = NULL;	void *ret = NULL;

if (!task)	pthread_cleanup_push((void ()(void)) _sched_threadCleanup, t);

	if (!t \|\| !TASK_ROOT(t))
	pthread_exit(ret);

	pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
	/*
	pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL);
	*/

	/* notify parent, thread is ready for execution */
	pthread_testcancel();

	ret = schedCall(t);

	pthread_cleanup_pop(42);
	TASK_ROOT(t)->root_ret = ret;
	pthread_exit(ret);
	}
	#endif

	#if defined(HAVE_TIMER_CREATE) && defined(HAVE_TIMER_SETTIME)
	void *
	_sched_rtcWrapper(sched_task_t *t)
	{
	sched_task_func_t func;
	sched_task_t *task;
	sched_root_task_t *r;

	if (!t \|\| !TASK_ROOT(t) \|\| !TASK_DATA(t))
return NULL;	return NULL;
	else {
	r = TASK_ROOT(t);
	task = (sched_task_t*) TASK_DATA(t);
	func = TASK_FUNC(task);
	}

#ifdef HAVE_LIBPTHREAD	#ifdef HAVE_LIBPTHREAD
pthread_join((pthread_t) TASK_VAL(task), &ret);	pthread_mutex_lock(&r->root_mtx[taskRTC]);
TASK_ROOT(task)->root_ret = ret;
#endif	#endif
	TAILQ_REMOVE(&r->root_rtc, task, task_node);
	#ifdef HAVE_LIBPTHREAD
	pthread_mutex_unlock(&r->root_mtx[taskRTC]);
	#endif
	sched_unuseTask(task);

return NULL;	timer_delete((timer_t) TASK_DATLEN(t));

	return schedCall(task);
}	}
	#endif

#pragma GCC visibility pop	#pragma GCC visibility pop

Line 133 _sched_threadJoin(sched_task_t *task)	Line 186 _sched_threadJoin(sched_task_t *task)
* @retcode = return code	* @retcode = return code
* return: return code	* return: return code
*/	*/
inline void *	void *
sched_taskExit(sched_task_t *task, intptr_t retcode)	sched_taskExit(sched_task_t *task, intptr_t retcode)
{	{
if (!task \|\| !TASK_ROOT(task))	if (!task \|\| !TASK_ROOT(task))
Line 143 sched_taskExit(sched_task_t *task, intptr_t retcode)	Line 196 sched_taskExit(sched_task_t *task, intptr_t retcode)
TASK_ROOT(task)->root_hooks.hook_exec.exit(task, (void*) retcode);	TASK_ROOT(task)->root_hooks.hook_exec.exit(task, (void*) retcode);

TASK_ROOT(task)->root_ret = (void*) retcode;	TASK_ROOT(task)->root_ret = (void*) retcode;

#ifdef HAVE_LIBPTHREAD
if (TASK_TYPE(task) == taskTHREAD) {
if (TASK_FLAG(task) == PTHREAD_CREATE_JOINABLE) /* joinable thread */
schedTask(TASK_ROOT(task), _sched_threadJoin, TASK_ARG(task),
TASK_VAL(task), TASK_DATA(task), TASK_DATLEN(task));
sched_unuseTask(task);
pthread_exit((void*) retcode);
}
#endif

return (void*) retcode;	return (void*) retcode;
}	}

Line 281 sched_task_t *	Line 323 sched_task_t *
schedNode(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, int fd,	schedNode(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, int fd,
void *opt_data, size_t opt_dlen)	void *opt_data, size_t opt_dlen)
{	{
	#ifdef KQ_DISABLE
	sched_SetErr(ENOTSUP, "disabled kqueue support");
	return NULL;
	#else
sched_task_t *task;	sched_task_t *task;
void *ptr;	void *ptr;

Line 318 schedNode(sched_root_task_t * __restrict root, sched_t	Line 364 schedNode(sched_root_task_t * __restrict root, sched_t
task = sched_unuseTask(task);	task = sched_unuseTask(task);

return task;	return task;
	#endif /* KQ_DISABLE */
}	}

/*	/*
Line 335 sched_task_t *	Line 382 sched_task_t *
schedProc(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, u_long pid,	schedProc(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, u_long pid,
void *opt_data, size_t opt_dlen)	void *opt_data, size_t opt_dlen)
{	{
	#ifdef KQ_DISABLE
	sched_SetErr(ENOTSUP, "disabled kqueue support");
	return NULL;
	#else
sched_task_t *task;	sched_task_t *task;
void *ptr;	void *ptr;

Line 372 schedProc(sched_root_task_t * __restrict root, sched_t	Line 423 schedProc(sched_root_task_t * __restrict root, sched_t
task = sched_unuseTask(task);	task = sched_unuseTask(task);

return task;	return task;
	#endif /* KQ_DISABLE */
}	}

/*	/*
Line 389 sched_task_t *	Line 441 sched_task_t *
schedUser(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, u_long id,	schedUser(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, u_long id,
void *opt_data, size_t opt_dlen)	void *opt_data, size_t opt_dlen)
{	{
	#ifdef KQ_DISABLE
	sched_SetErr(ENOTSUP, "disabled kqueue support");
	return NULL;
	#else
#ifndef EVFILT_USER	#ifndef EVFILT_USER
sched_SetErr(ENOTSUP, "Not supported kevent() filter");	sched_SetErr(ENOTSUP, "Not supported kevent() filter");
return NULL;	return NULL;
Line 430 schedUser(sched_root_task_t * __restrict root, sched_t	Line 486 schedUser(sched_root_task_t * __restrict root, sched_t
task = sched_unuseTask(task);	task = sched_unuseTask(task);

return task;	return task;
#endif	#endif /* EVFILT_USER */
	#endif /* KQ_DISABLE */
}	}

/*	/*
Line 448 sched_task_t *	Line 505 sched_task_t *
schedSignal(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, u_long sig,	schedSignal(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, u_long sig,
void *opt_data, size_t opt_dlen)	void *opt_data, size_t opt_dlen)
{	{
	#ifdef KQ_DISABLE
	sched_SetErr(ENOTSUP, "disabled kqueue support");
	return NULL;
	#else
sched_task_t *task;	sched_task_t *task;
void *ptr;	void *ptr;

Line 485 schedSignal(sched_root_task_t * __restrict root, sched	Line 546 schedSignal(sched_root_task_t * __restrict root, sched
task = sched_unuseTask(task);	task = sched_unuseTask(task);

return task;	return task;
	#endif /* KQ_DISABLE */
}	}

/*	/*
Line 494 schedSignal(sched_root_task_t * __restrict root, sched	Line 556 schedSignal(sched_root_task_t * __restrict root, sched
* @func = task execution function	* @func = task execution function
* @arg = 1st func argument	* @arg = 1st func argument
* @ts = timeout argument structure, minimum alarm timer resolution is 1msec!	* @ts = timeout argument structure, minimum alarm timer resolution is 1msec!
* @opt_data = Optional data	* @opt_data = Alarm timer ID
* @opt_dlen = Optional data length	* @opt_dlen = Optional data length
* return: NULL error or !=NULL new queued task	* return: NULL error or !=NULL new queued task
*/	*/
Line 502 sched_task_t *	Line 564 sched_task_t *
schedAlarm(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, struct timespec ts,	schedAlarm(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, struct timespec ts,
void *opt_data, size_t opt_dlen)	void *opt_data, size_t opt_dlen)
{	{
	#ifdef KQ_DISABLE
	sched_SetErr(ENOTSUP, "disabled kqueue support");
	return NULL;
	#else
sched_task_t *task;	sched_task_t *task;
void *ptr;	void *ptr;

Line 539 schedAlarm(sched_root_task_t * __restrict root, sched_	Line 605 schedAlarm(sched_root_task_t * __restrict root, sched_
task = sched_unuseTask(task);	task = sched_unuseTask(task);

return task;	return task;
	#endif /* KQ_DISABLE */
}	}

#ifdef AIO_SUPPORT	#ifdef AIO_SUPPORT
Line 557 sched_task_t *	Line 624 sched_task_t *
schedAIO(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg,	schedAIO(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg,
struct aiocb * __restrict acb, void *opt_data, size_t opt_dlen)	struct aiocb * __restrict acb, void *opt_data, size_t opt_dlen)
{	{
	#ifdef KQ_DISABLE
	sched_SetErr(ENOTSUP, "disabled kqueue support");
	return NULL;
	#else
sched_task_t *task;	sched_task_t *task;
void *ptr;	void *ptr;

Line 594 schedAIO(sched_root_task_t * __restrict root, sched_ta	Line 665 schedAIO(sched_root_task_t * __restrict root, sched_ta
task = sched_unuseTask(task);	task = sched_unuseTask(task);

return task;	return task;
	#endif /* KQ_DISABLE */
}	}

/*	/*
Line 608 schedAIO(sched_root_task_t * __restrict root, sched_ta	Line 680 schedAIO(sched_root_task_t * __restrict root, sched_ta
* @offset = Offset from start of file, if =-1 from current position	* @offset = Offset from start of file, if =-1 from current position
* return: NULL error or !=NULL new queued task	* return: NULL error or !=NULL new queued task
*/	*/
inline sched_task_t *	sched_task_t *
schedAIORead(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, int fd,	schedAIORead(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, int fd,
void *buffer, size_t buflen, off_t offset)	void *buffer, size_t buflen, off_t offset)
{	{
	#ifdef KQ_DISABLE
	sched_SetErr(ENOTSUP, "disabled kqueue support");
	return NULL;
	#else
struct aiocb *acb;	struct aiocb *acb;
off_t off;	off_t off;

Line 648 schedAIORead(sched_root_task_t * __restrict root, sche	Line 724 schedAIORead(sched_root_task_t * __restrict root, sche
}	}

return schedAIO(root, func, arg, acb, buffer, buflen);	return schedAIO(root, func, arg, acb, buffer, buflen);
	#endif /* KQ_DISABLE */
}	}

/*	/*
Line 662 schedAIORead(sched_root_task_t * __restrict root, sche	Line 739 schedAIORead(sched_root_task_t * __restrict root, sche
* @offset = Offset from start of file, if =-1 from current position	* @offset = Offset from start of file, if =-1 from current position
* return: NULL error or !=NULL new queued task	* return: NULL error or !=NULL new queued task
*/	*/
inline sched_task_t *	sched_task_t *
schedAIOWrite(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, int fd,	schedAIOWrite(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, int fd,
void *buffer, size_t buflen, off_t offset)	void *buffer, size_t buflen, off_t offset)
{	{
	#ifdef KQ_DISABLE
	sched_SetErr(ENOTSUP, "disabled kqueue support");
	return NULL;
	#else
struct aiocb *acb;	struct aiocb *acb;
off_t off;	off_t off;

Line 702 schedAIOWrite(sched_root_task_t * __restrict root, sch	Line 783 schedAIOWrite(sched_root_task_t * __restrict root, sch
}	}

return schedAIO(root, func, arg, acb, buffer, buflen);	return schedAIO(root, func, arg, acb, buffer, buflen);
	#endif /* KQ_DISABLE */
}	}

#ifdef EVFILT_LIO	#ifdef EVFILT_LIO
Line 720 sched_task_t *	Line 802 sched_task_t *
schedLIO(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg,	schedLIO(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg,
struct aiocb ** __restrict acbs, void *opt_data, size_t opt_dlen)	struct aiocb ** __restrict acbs, void *opt_data, size_t opt_dlen)
{	{
	#ifdef KQ_DISABLE
	sched_SetErr(ENOTSUP, "disabled kqueue support");
	return NULL;
	#else
sched_task_t *task;	sched_task_t *task;
void *ptr;	void *ptr;

Line 757 schedLIO(sched_root_task_t * __restrict root, sched_ta	Line 843 schedLIO(sched_root_task_t * __restrict root, sched_ta
task = sched_unuseTask(task);	task = sched_unuseTask(task);

return task;	return task;
	#endif /* KQ_DISABLE */
}	}

/*	/*
Line 775 sched_task_t *	Line 862 sched_task_t *
schedLIORead(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, int fd,	schedLIORead(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, int fd,
struct iovec *bufs, size_t nbufs, off_t offset)	struct iovec *bufs, size_t nbufs, off_t offset)
{	{
	#ifdef KQ_DISABLE
	sched_SetErr(ENOTSUP, "disabled kqueue support");
	return NULL;
	#else
struct sigevent sig;	struct sigevent sig;
struct aiocb **acb;	struct aiocb **acb;
off_t off;	off_t off;
Line 829 schedLIORead(sched_root_task_t * __restrict root, sche	Line 920 schedLIORead(sched_root_task_t * __restrict root, sche
}	}

return schedLIO(root, func, arg, (void*) acb, bufs, nbufs);	return schedLIO(root, func, arg, (void*) acb, bufs, nbufs);
	#endif /* KQ_DISABLE */
}	}

/*	/*
Line 843 schedLIORead(sched_root_task_t * __restrict root, sche	Line 935 schedLIORead(sched_root_task_t * __restrict root, sche
* @offset = Offset from start of file, if =-1 from current position	* @offset = Offset from start of file, if =-1 from current position
* return: NULL error or !=NULL new queued task	* return: NULL error or !=NULL new queued task
*/	*/
inline sched_task_t *	sched_task_t *
schedLIOWrite(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, int fd,	schedLIOWrite(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, int fd,
struct iovec *bufs, size_t nbufs, off_t offset)	struct iovec *bufs, size_t nbufs, off_t offset)
{	{
	#ifdef KQ_DISABLE
	sched_SetErr(ENOTSUP, "disabled kqueue support");
	return NULL;
	#else
struct sigevent sig;	struct sigevent sig;
struct aiocb **acb;	struct aiocb **acb;
off_t off;	off_t off;
Line 901 schedLIOWrite(sched_root_task_t * __restrict root, sch	Line 997 schedLIOWrite(sched_root_task_t * __restrict root, sch
}	}

return schedLIO(root, func, arg, (void*) acb, bufs, nbufs);	return schedLIO(root, func, arg, (void*) acb, bufs, nbufs);
	#endif /* KQ_DISABLE */
}	}
#endif /* EVFILT_LIO */	#endif /* EVFILT_LIO */
#endif /* AIO_SUPPORT */	#endif /* AIO_SUPPORT */
Line 1198 schedCallOnce(sched_root_task_t * __restrict root, sch	Line 1295 schedCallOnce(sched_root_task_t * __restrict root, sch
* @root = root task	* @root = root task
* @func = task execution function	* @func = task execution function
* @arg = 1st func argument	* @arg = 1st func argument
* @detach = Detach thread from scheduler, if !=0	* @ss = stack size
* @opt_data = Optional data	* @opt_data = Optional data
* @opt_dlen = Optional data length	* @opt_dlen = Optional data length
* return: NULL error or !=NULL new queued task	* return: NULL error or !=NULL new queued task
*/	*/
sched_task_t *	sched_task_t *
schedThread(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, int detach,	schedThread(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg,
void *opt_data, size_t opt_dlen)	size_t ss, void *opt_data, size_t opt_dlen)
{	{
#ifndef HAVE_LIBPTHREAD	#ifndef HAVE_LIBPTHREAD
sched_SetErr(ENOTSUP, "Not supported thread tasks");	sched_SetErr(ENOTSUP, "Not supported thread tasks");
return NULL;	return NULL;
#endif	#endif
sched_task_t *task;	sched_task_t *task;
void *ptr;
pthread_attr_t attr;	pthread_attr_t attr;

if (!root \|\| !func)	if (!root \|\| !func)
return NULL;	return NULL;

/* get new task */	/* get new task */
if (!(task = sched_useTask(root)))	if (!(task = sched_useTask(root))) {

return NULL;	return NULL;
	}

task->task_func = func;	task->task_func = func;
TASK_TYPE(task) = taskTHREAD;	TASK_TYPE(task) = taskTHREAD;
TASK_ROOT(task) = root;	TASK_ROOT(task) = root;

TASK_ARG(task) = arg;	TASK_ARG(task) = arg;
TASK_FLAG(task) = detach ? PTHREAD_CREATE_DETACHED : PTHREAD_CREATE_JOINABLE;

TASK_DATA(task) = opt_data;	TASK_DATA(task) = opt_data;
TASK_DATLEN(task) = opt_dlen;	TASK_DATLEN(task) = opt_dlen;

pthread_attr_init(&attr);	pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, TASK_FLAG(task));	pthread_attr_setdetachstate(&attr, PTHREAD_DETACHED);
	if (ss && (errno = pthread_attr_setstacksize(&attr, ss))) {
	LOGERR;
	pthread_attr_destroy(&attr);
	return sched_unuseTask(task);
	}
	if ((errno = pthread_attr_getstacksize(&attr, &ss))) {
	LOGERR;
	pthread_attr_destroy(&attr);
	return sched_unuseTask(task);
	} else
	TASK_FLAG(task) = ss;
	if ((errno = pthread_attr_setguardsize(&attr, ss))) {
	LOGERR;
	pthread_attr_destroy(&attr);
	return sched_unuseTask(task);
	}
	#ifdef SCHED_RR
	pthread_attr_setschedpolicy(&attr, SCHED_RR);
	#else
	pthread_attr_setschedpolicy(&attr, SCHED_OTHER);
	#endif

	pthread_mutex_lock(&root->root_mtx[taskTHREAD]);
	TAILQ_INSERT_TAIL(&root->root_thread, TASK_ID(task), task_node);
	pthread_mutex_unlock(&root->root_mtx[taskTHREAD]);

if (root->root_hooks.hook_add.thread)	if (root->root_hooks.hook_add.thread)
ptr = root->root_hooks.hook_add.thread(task, &attr);	if (root->root_hooks.hook_add.thread(task, &attr)) {
	schedCancel(task);
	task = NULL;
	}
	pthread_attr_destroy(&attr);
	return task;
	}

	/*
	* schedRTC() - Add RTC task to scheduler queue
	*
	* @root = root task
	* @func = task execution function
	* @arg = 1st func argument
	* @ts = timeout argument structure, minimum alarm timer resolution is 1msec!
	* @opt_data = Optional RTC ID
	* @opt_dlen = Optional data length
	* return: NULL error or !=NULL new queued task
	*/
	sched_task_t *
	schedRTC(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, struct timespec ts,
	void *opt_data, size_t opt_dlen)
	{
	#if defined(HAVE_TIMER_CREATE) && defined(HAVE_TIMER_SETTIME)
	sched_task_t *task;
	void *ptr;

	if (!root \|\| !func)
	return NULL;

	/* get new task */
	if (!(task = sched_useTask(root)))
	return NULL;

	task->task_func = func;
	TASK_TYPE(task) = taskRTC;
	TASK_ROOT(task) = root;

	TASK_ARG(task) = arg;
	TASK_TS(task) = ts;

	TASK_DATA(task) = opt_data;
	TASK_DATLEN(task) = opt_dlen;

	if (root->root_hooks.hook_add.rtc)
	ptr = root->root_hooks.hook_add.rtc(task, NULL);
else	else
ptr = NULL;	ptr = NULL;
pthread_attr_destroy(&attr);

if (!ptr) {	if (!ptr) {
pthread_mutex_lock(&root->root_mtx[taskTHREAD]);	#ifdef HAVE_LIBPTHREAD
TAILQ_INSERT_TAIL(&root->root_thread, TASK_ID(task), task_node);	pthread_mutex_lock(&root->root_mtx[taskRTC]);
pthread_mutex_unlock(&root->root_mtx[taskTHREAD]);	#endif
	TAILQ_INSERT_TAIL(&root->root_rtc, TASK_ID(task), task_node);
	#ifdef HAVE_LIBPTHREAD
	pthread_mutex_unlock(&root->root_mtx[taskRTC]);
	#endif
} else	} else
task = sched_unuseTask(task);	task = sched_unuseTask(task);

return task;	return task;
	#else
	sched_SetErr(ENOTSUP, "Not supported realtime clock extensions");
	return NULL;
	#endif
}	}

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Removed from v.1.13.2.2
changed lines
	Added in v.1.23