libaitsched/src/tasks.c - diff

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Diff for /libaitsched/src/tasks.c between versions 1.13.2.1 and 1.27

version 1.13.2.1, 2012/08/22 10:33:45	version 1.27, 2019/01/14 15:58:50
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 - 2018
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;

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

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 85 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);

TASK_TYPE(task) = taskUNUSE;	TASK_TYPE(task) = taskUNUSE;
#ifdef HAVE_LIBPTHREAD	insert_task_to(task, &(TASK_ROOT(task))->root_unuse);
pthread_mutex_lock(&TASK_ROOT(task)->root_mtx[taskUNUSE]);
#endif
TAILQ_INSERT_TAIL(&TASK_ROOT(task)->root_unuse, TASK_ID(task), task_node);
#ifdef HAVE_LIBPTHREAD
pthread_mutex_unlock(&TASK_ROOT(task)->root_mtx[taskUNUSE]);
#endif
task = NULL;

	task = NULL;
return task;	return task;
}	}

void *
_sched_threadJoin(sched_task_t *task)
{
void *ret = NULL;

if (!task)
return NULL;

#ifdef HAVE_LIBPTHREAD
pthread_join((pthread_t) TASK_VAL(task), &ret);
TASK_ROOT(task)->root_ret = ret;
#endif

return NULL;
}

/*	/*
* sched_taskExit() - Exit routine for scheduler task, explicit required for thread tasks	* sched_taskExit() - Exit routine for scheduler task, explicit required for thread tasks
*	*
Line 129 _sched_threadJoin(sched_task_t *task)	Line 104 _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 139 sched_taskExit(sched_task_t *task, intptr_t retcode)	Line 114 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 179 schedRead(sched_root_task_t * __restrict root, sched_t	Line 143 schedRead(sched_root_task_t * __restrict root, sched_t
if (!(task = sched_useTask(root)))	if (!(task = sched_useTask(root)))
return NULL;	return NULL;

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

Line 194 schedRead(sched_root_task_t * __restrict root, sched_t	Line 158 schedRead(sched_root_task_t * __restrict root, sched_t
else	else
ptr = NULL;	ptr = NULL;

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

return task;	return task;
Line 233 schedWrite(sched_root_task_t * __restrict root, sched_	Line 191 schedWrite(sched_root_task_t * __restrict root, sched_
if (!(task = sched_useTask(root)))	if (!(task = sched_useTask(root)))
return NULL;	return NULL;

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

Line 248 schedWrite(sched_root_task_t * __restrict root, sched_	Line 206 schedWrite(sched_root_task_t * __restrict root, sched_
else	else
ptr = NULL;	ptr = NULL;

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

return task;	return task;
Line 277 sched_task_t *	Line 229 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)
{	{
	#if SUP_ENABLE != KQ_SUPPORT
	sched_SetErr(ENOTSUP, "disabled kqueue support");
	return NULL;
	#else
sched_task_t *task;	sched_task_t *task;
void *ptr;	void *ptr;

Line 287 schedNode(sched_root_task_t * __restrict root, sched_t	Line 243 schedNode(sched_root_task_t * __restrict root, sched_t
if (!(task = sched_useTask(root)))	if (!(task = sched_useTask(root)))
return NULL;	return NULL;

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

Line 302 schedNode(sched_root_task_t * __restrict root, sched_t	Line 258 schedNode(sched_root_task_t * __restrict root, sched_t
else	else
ptr = NULL;	ptr = NULL;

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

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

/*	/*
	* schedNode2() - Add NODE task with all events to scheduler queue
	*
	* @root = root task
	* @func = task execution function
	* @arg = 1st func argument
	* @fd = fd handle
	* @opt_data = Optional data
	* @opt_dlen = Optional data length
	* return: NULL error or !=NULL new queued task
	*/
	sched_task_t *
	schedNode2(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, int fd,
	void *opt_data, size_t opt_dlen)
	{
	#if SUP_ENABLE != KQ_SUPPORT
	sched_SetErr(ENOTSUP, "disabled kqueue support");
	return NULL;
	#else
	sched_task_t *task;
	void *ptr;

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

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

	TASK_FUNC(task) = func;
	TASK_TYPE(task) = taskNODE;
	TASK_ROOT(task) = root;

	TASK_ARG(task) = arg;
	TASK_FD(task) = fd;

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

	if (root->root_hooks.hook_add.node)
	ptr = root->root_hooks.hook_add.node(task,
	(void*) (NOTE_READ \| NOTE_CLOSE_WRITE \| NOTE_CLOSE \| NOTE_OPEN));
	else
	ptr = NULL;

	if (!ptr)
	insert_task_to(task, &root->root_node);
	else
	task = sched_unuseTask(task);

	return task;
	#endif /* KQ_SUPPORT */
	}

	/*
* schedProc() - Add PROC task to scheduler queue	* schedProc() - Add PROC task to scheduler queue
*	*
* @root = root task	* @root = root task
Line 331 sched_task_t *	Line 336 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)
{	{
	#if SUP_ENABLE != KQ_SUPPORT
	sched_SetErr(ENOTSUP, "disabled kqueue support");
	return NULL;
	#else
sched_task_t *task;	sched_task_t *task;
void *ptr;	void *ptr;

Line 341 schedProc(sched_root_task_t * __restrict root, sched_t	Line 350 schedProc(sched_root_task_t * __restrict root, sched_t
if (!(task = sched_useTask(root)))	if (!(task = sched_useTask(root)))
return NULL;	return NULL;

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

Line 356 schedProc(sched_root_task_t * __restrict root, sched_t	Line 365 schedProc(sched_root_task_t * __restrict root, sched_t
else	else
ptr = NULL;	ptr = NULL;

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

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

/*	/*
Line 385 sched_task_t *	Line 389 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)
{	{
	#if SUP_ENABLE != KQ_SUPPORT
	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 399 schedUser(sched_root_task_t * __restrict root, sched_t	Line 407 schedUser(sched_root_task_t * __restrict root, sched_t
if (!(task = sched_useTask(root)))	if (!(task = sched_useTask(root)))
return NULL;	return NULL;

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

Line 414 schedUser(sched_root_task_t * __restrict root, sched_t	Line 422 schedUser(sched_root_task_t * __restrict root, sched_t
else	else
ptr = NULL;	ptr = NULL;

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

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

/*	/*
Line 444 sched_task_t *	Line 447 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)
{	{
	#if SUP_ENABLE != KQ_SUPPORT
	sched_SetErr(ENOTSUP, "disabled kqueue support");
	return NULL;
	#else
sched_task_t *task;	sched_task_t *task;
void *ptr;	void *ptr;

Line 454 schedSignal(sched_root_task_t * __restrict root, sched	Line 461 schedSignal(sched_root_task_t * __restrict root, sched
if (!(task = sched_useTask(root)))	if (!(task = sched_useTask(root)))
return NULL;	return NULL;

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

Line 469 schedSignal(sched_root_task_t * __restrict root, sched	Line 476 schedSignal(sched_root_task_t * __restrict root, sched
else	else
ptr = NULL;	ptr = NULL;

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

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

/*	/*
Line 490 schedSignal(sched_root_task_t * __restrict root, sched	Line 492 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 498 sched_task_t *	Line 500 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)
{	{
	#if SUP_ENABLE != KQ_SUPPORT
	sched_SetErr(ENOTSUP, "disabled kqueue support");
	return NULL;
	#else
sched_task_t *task;	sched_task_t *task;
void *ptr;	void *ptr;

Line 508 schedAlarm(sched_root_task_t * __restrict root, sched_	Line 514 schedAlarm(sched_root_task_t * __restrict root, sched_
if (!(task = sched_useTask(root)))	if (!(task = sched_useTask(root)))
return NULL;	return NULL;

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

Line 523 schedAlarm(sched_root_task_t * __restrict root, sched_	Line 529 schedAlarm(sched_root_task_t * __restrict root, sched_
else	else
ptr = NULL;	ptr = NULL;

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

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

#ifdef AIO_SUPPORT	#ifdef AIO_SUPPORT
Line 553 sched_task_t *	Line 554 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)
{	{
	#if SUP_ENABLE != KQ_SUPPORT
	sched_SetErr(ENOTSUP, "disabled kqueue support");
	return NULL;
	#else
sched_task_t *task;	sched_task_t *task;
void *ptr;	void *ptr;

Line 563 schedAIO(sched_root_task_t * __restrict root, sched_ta	Line 568 schedAIO(sched_root_task_t * __restrict root, sched_ta
if (!(task = sched_useTask(root)))	if (!(task = sched_useTask(root)))
return NULL;	return NULL;

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

Line 578 schedAIO(sched_root_task_t * __restrict root, sched_ta	Line 583 schedAIO(sched_root_task_t * __restrict root, sched_ta
else	else
ptr = NULL;	ptr = NULL;

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

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

/*	/*
Line 604 schedAIO(sched_root_task_t * __restrict root, sched_ta	Line 604 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)
{	{
	#if SUP_ENABLE != KQ_SUPPORT
	sched_SetErr(ENOTSUP, "disabled kqueue support");
	return NULL;
	#else
struct aiocb *acb;	struct aiocb *acb;
off_t off;	off_t off;

Line 644 schedAIORead(sched_root_task_t * __restrict root, sche	Line 648 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_SUPPORT */
}	}

/*	/*
Line 658 schedAIORead(sched_root_task_t * __restrict root, sche	Line 663 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)
{	{
	#if SUP_ENABLE != KQ_SUPPORT
	sched_SetErr(ENOTSUP, "disabled kqueue support");
	return NULL;
	#else
struct aiocb *acb;	struct aiocb *acb;
off_t off;	off_t off;

Line 698 schedAIOWrite(sched_root_task_t * __restrict root, sch	Line 707 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_SUPPORT */
}	}

#ifdef EVFILT_LIO	#ifdef EVFILT_LIO
Line 716 sched_task_t *	Line 726 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)
{	{
	#if SUP_ENABLE != KQ_SUPPORT
	sched_SetErr(ENOTSUP, "disabled kqueue support");
	return NULL;
	#else
sched_task_t *task;	sched_task_t *task;
void *ptr;	void *ptr;

Line 726 schedLIO(sched_root_task_t * __restrict root, sched_ta	Line 740 schedLIO(sched_root_task_t * __restrict root, sched_ta
if (!(task = sched_useTask(root)))	if (!(task = sched_useTask(root)))
return NULL;	return NULL;

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

Line 741 schedLIO(sched_root_task_t * __restrict root, sched_ta	Line 755 schedLIO(sched_root_task_t * __restrict root, sched_ta
else	else
ptr = NULL;	ptr = NULL;

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

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

/*	/*
Line 771 sched_task_t *	Line 780 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)
{	{
	#if SUP_ENABLE != KQ_SUPPORT
	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 825 schedLIORead(sched_root_task_t * __restrict root, sche	Line 838 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_SUPPORT */
}	}

/*	/*
Line 839 schedLIORead(sched_root_task_t * __restrict root, sche	Line 853 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)
{	{
	#if SUP_ENABLE != KQ_SUPPORT
	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 897 schedLIOWrite(sched_root_task_t * __restrict root, sch	Line 915 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_SUPPORT */
}	}
#endif /* EVFILT_LIO */	#endif /* EVFILT_LIO */
#endif /* AIO_SUPPORT */	#endif /* AIO_SUPPORT */
Line 927 schedTimer(sched_root_task_t * __restrict root, sched_	Line 946 schedTimer(sched_root_task_t * __restrict root, sched_
if (!(task = sched_useTask(root)))	if (!(task = sched_useTask(root)))
return NULL;	return NULL;

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

Line 955 schedTimer(sched_root_task_t * __restrict root, sched_	Line 974 schedTimer(sched_root_task_t * __restrict root, sched_
ptr = NULL;	ptr = NULL;

if (!ptr) {	if (!ptr) {
#ifdef HAVE_LIBPTHREAD	SCHED_QLOCK(root, taskTIMER);
pthread_mutex_lock(&root->root_mtx[taskTIMER]);
#endif
#ifdef TIMER_WITHOUT_SORT	#ifdef TIMER_WITHOUT_SORT
TAILQ_INSERT_TAIL(&root->root_timer, TASK_ID(task), task_node);	TAILQ_INSERT_TAIL(&root->root_timer, task, task_node);
#else	#else
TAILQ_FOREACH_SAFE(t, &root->root_timer, task_node, tmp)	TAILQ_FOREACH_SAFE(t, &root->root_timer, task_node, tmp)
if (sched_timespeccmp(&TASK_TS(task), &TASK_TS(t), -) < 1)	if (sched_timespeccmp(&TASK_TS(task), &TASK_TS(t), -) < 1)
break;	break;
if (!t)	if (!t)
TAILQ_INSERT_TAIL(&root->root_timer, TASK_ID(task), task_node);	TAILQ_INSERT_TAIL(&root->root_timer, task, task_node);
else	else
TAILQ_INSERT_BEFORE(t, TASK_ID(task), task_node);	TAILQ_INSERT_BEFORE(t, task, task_node);
#endif	#endif
#ifdef HAVE_LIBPTHREAD	SCHED_QUNLOCK(root, taskTIMER);
pthread_mutex_unlock(&root->root_mtx[taskTIMER]);
#endif
} else	} else
task = sched_unuseTask(task);	task = sched_unuseTask(task);

Line 1003 schedEvent(sched_root_task_t * __restrict root, sched_	Line 1018 schedEvent(sched_root_task_t * __restrict root, sched_
if (!(task = sched_useTask(root)))	if (!(task = sched_useTask(root)))
return NULL;	return NULL;

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

Line 1018 schedEvent(sched_root_task_t * __restrict root, sched_	Line 1033 schedEvent(sched_root_task_t * __restrict root, sched_
else	else
ptr = NULL;	ptr = NULL;

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

return task;	return task;
Line 1058 schedTask(sched_root_task_t * __restrict root, sched_t	Line 1067 schedTask(sched_root_task_t * __restrict root, sched_t
if (!(task = sched_useTask(root)))	if (!(task = sched_useTask(root)))
return NULL;	return NULL;

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

Line 1074 schedTask(sched_root_task_t * __restrict root, sched_t	Line 1083 schedTask(sched_root_task_t * __restrict root, sched_t
ptr = NULL;	ptr = NULL;

if (!ptr) {	if (!ptr) {
#ifdef HAVE_LIBPTHREAD	SCHED_QLOCK(root, taskTASK);
pthread_mutex_lock(&root->root_mtx[taskTASK]);
#endif
TAILQ_FOREACH_SAFE(t, &root->root_task, task_node, tmp)	TAILQ_FOREACH_SAFE(t, &root->root_task, task_node, tmp)
if (TASK_VAL(task) < TASK_VAL(t))	if (TASK_VAL(task) < TASK_VAL(t))
break;	break;
if (!t)	if (!t)
TAILQ_INSERT_TAIL(&root->root_task, TASK_ID(task), task_node);	TAILQ_INSERT_TAIL(&root->root_task, task, task_node);
else	else
TAILQ_INSERT_BEFORE(t, TASK_ID(task), task_node);	TAILQ_INSERT_BEFORE(t, task, task_node);
#ifdef HAVE_LIBPTHREAD	SCHED_QUNLOCK(root, taskTASK);
pthread_mutex_unlock(&root->root_mtx[taskTASK]);
#endif
} else	} else
task = sched_unuseTask(task);	task = sched_unuseTask(task);

Line 1118 schedSuspend(sched_root_task_t * __restrict root, sche	Line 1123 schedSuspend(sched_root_task_t * __restrict root, sche
if (!(task = sched_useTask(root)))	if (!(task = sched_useTask(root)))
return NULL;	return NULL;

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

Line 1133 schedSuspend(sched_root_task_t * __restrict root, sche	Line 1138 schedSuspend(sched_root_task_t * __restrict root, sche
else	else
ptr = NULL;	ptr = NULL;

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

return task;	return task;
Line 1172 schedCallOnce(sched_root_task_t * __restrict root, sch	Line 1171 schedCallOnce(sched_root_task_t * __restrict root, sch
if (!(task = sched_useTask(root)))	if (!(task = sched_useTask(root)))
return NULL;	return NULL;

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

Line 1194 schedCallOnce(sched_root_task_t * __restrict root, sch	Line 1193 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;
	void *ptr;

if (!root \|\| !func)	if (!root \|\| !func)
return NULL;	return NULL;
Line 1218 schedThread(sched_root_task_t * __restrict root, sched	Line 1217 schedThread(sched_root_task_t * __restrict root, sched
if (!(task = sched_useTask(root)))	if (!(task = sched_useTask(root)))
return NULL;	return NULL;

task->task_func = func;	TASK_FUNC(task) = 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_CREATE_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;

	#ifdef SCHED_RR
	pthread_attr_setschedpolicy(&attr, SCHED_RR);
	#else
	pthread_attr_setschedpolicy(&attr, SCHED_OTHER);
	#endif

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

if (!ptr) {	if (!ptr)
pthread_mutex_lock(&root->root_mtx[taskTHREAD]);	insert_task_to(task, &root->root_thread);
TAILQ_INSERT_TAIL(&root->root_thread, TASK_ID(task), task_node);	else
pthread_mutex_unlock(&root->root_mtx[taskTHREAD]);
} else
task = sched_unuseTask(task);	task = sched_unuseTask(task);

	pthread_attr_destroy(&attr);
return task;	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_LIBRT) && defined(HAVE_TIMER_CREATE) && \
	defined(HAVE_TIMER_SETTIME) && defined(HAVE_TIMER_DELETE)
	sched_task_t *task;
	void *ptr;

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

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

	TASK_FUNC(task) = 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
	ptr = NULL;

	if (!ptr)
	insert_task_to(task, &root->root_rtc);
	else
	task = sched_unuseTask(task);

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

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Removed from v.1.13.2.1
changed lines
	Added in v.1.27