|
version 1.4.2.2, 2012/01/23 15:56:23
|
version 1.8.2.2, 2012/05/31 14:45:10
|
|
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 | Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 |
| 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 51 SUCH DAMAGE.
|
Line 51 SUCH DAMAGE.
|
| inline sched_task_t * |
inline sched_task_t * |
| _sched_useTask(sched_root_task_t * __restrict root) |
_sched_useTask(sched_root_task_t * __restrict root) |
| { |
{ |
| sched_task_t *task; | sched_task_t *task, *tmp; |
| |
|
| TAILQ_FOREACH(task, &root->root_unuse, task_node) { | TAILQ_FOREACH_SAFE(task, &root->root_unuse, task_node, tmp) { |
| if (!TASK_ISLOCKED(task)) { |
if (!TASK_ISLOCKED(task)) { |
| #ifdef HAVE_LIBPTHREAD |
#ifdef HAVE_LIBPTHREAD |
| pthread_mutex_lock(&root->root_mtx[taskUNUSE]); |
pthread_mutex_lock(&root->root_mtx[taskUNUSE]); |
|
Line 99 _sched_unuseTask(sched_task_t * __restrict task)
|
Line 99 _sched_unuseTask(sched_task_t * __restrict task)
|
| |
|
| /* |
/* |
| * schedRead() - Add READ I/O task to scheduler queue |
* schedRead() - Add READ I/O task to scheduler queue |
| |
* |
| * @root = root task |
* @root = root task |
| * @func = task execution function |
* @func = task execution function |
| * @arg = 1st func argument |
* @arg = 1st func argument |
|
Line 155 schedRead(sched_root_task_t * __restrict root, sched_t
|
Line 156 schedRead(sched_root_task_t * __restrict root, sched_t
|
| |
|
| /* |
/* |
| * schedWrite() - Add WRITE I/O task to scheduler queue |
* schedWrite() - Add WRITE I/O task to scheduler queue |
| |
* |
| * @root = root task |
* @root = root task |
| * @func = task execution function |
* @func = task execution function |
| * @arg = 1st func argument |
* @arg = 1st func argument |
|
Line 210 schedWrite(sched_root_task_t * __restrict root, sched_
|
Line 212 schedWrite(sched_root_task_t * __restrict root, sched_
|
| } |
} |
| |
|
| /* |
/* |
| |
* schedNode() - Add NODE task 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 * |
| |
schedNode(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, int fd, |
| |
void *opt_data, size_t opt_dlen) |
| |
{ |
| |
sched_task_t *task; |
| |
void *ptr; |
| |
|
| |
if (!root || !func) |
| |
return NULL; |
| |
|
| |
/* get new task */ |
| |
if (!(task = _sched_useTask(root))) |
| |
return NULL; |
| |
|
| |
memset(task, 0, sizeof(sched_task_t)); |
| |
task->task_id = 0; |
| |
task->task_lock = 0; |
| |
task->task_func = 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, NULL); |
| |
else |
| |
ptr = NULL; |
| |
|
| |
if (!ptr) { |
| |
#ifdef HAVE_LIBPTHREAD |
| |
pthread_mutex_lock(&root->root_mtx[taskNODE]); |
| |
#endif |
| |
TAILQ_INSERT_TAIL(&root->root_node, task, task_node); |
| |
#ifdef HAVE_LIBPTHREAD |
| |
pthread_mutex_unlock(&root->root_mtx[taskNODE]); |
| |
#endif |
| |
} else |
| |
task = _sched_unuseTask(task); |
| |
|
| |
return task; |
| |
} |
| |
|
| |
/* |
| |
* schedProc() - Add PROC task to scheduler queue |
| |
* |
| |
* @root = root task |
| |
* @func = task execution function |
| |
* @arg = 1st func argument |
| |
* @pid = PID |
| |
* @opt_data = Optional data |
| |
* @opt_dlen = Optional data length |
| |
* return: NULL error or !=NULL new queued task |
| |
*/ |
| |
sched_task_t * |
| |
schedProc(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, u_long pid, |
| |
void *opt_data, size_t opt_dlen) |
| |
{ |
| |
sched_task_t *task; |
| |
void *ptr; |
| |
|
| |
if (!root || !func) |
| |
return NULL; |
| |
|
| |
/* get new task */ |
| |
if (!(task = _sched_useTask(root))) |
| |
return NULL; |
| |
|
| |
memset(task, 0, sizeof(sched_task_t)); |
| |
task->task_id = 0; |
| |
task->task_lock = 0; |
| |
task->task_func = func; |
| |
TASK_TYPE(task) = taskPROC; |
| |
TASK_ROOT(task) = root; |
| |
|
| |
TASK_ARG(task) = arg; |
| |
TASK_VAL(task) = pid; |
| |
|
| |
TASK_DATA(task) = opt_data; |
| |
TASK_DATLEN(task) = opt_dlen; |
| |
|
| |
if (root->root_hooks.hook_add.proc) |
| |
ptr = root->root_hooks.hook_add.proc(task, NULL); |
| |
else |
| |
ptr = NULL; |
| |
|
| |
if (!ptr) { |
| |
#ifdef HAVE_LIBPTHREAD |
| |
pthread_mutex_lock(&root->root_mtx[taskPROC]); |
| |
#endif |
| |
TAILQ_INSERT_TAIL(&root->root_proc, task, task_node); |
| |
#ifdef HAVE_LIBPTHREAD |
| |
pthread_mutex_unlock(&root->root_mtx[taskPROC]); |
| |
#endif |
| |
} else |
| |
task = _sched_unuseTask(task); |
| |
|
| |
return task; |
| |
} |
| |
|
| |
/* |
| |
* schedUser() - Add trigger USER task to scheduler queue |
| |
* |
| |
* @root = root task |
| |
* @func = task execution function |
| |
* @arg = 1st func argument |
| |
* @id = Trigger ID |
| |
* @opt_data = Optional data |
| |
* @opt_dlen = Optional user's trigger flags |
| |
* return: NULL error or !=NULL new queued task |
| |
*/ |
| |
sched_task_t * |
| |
schedUser(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, u_long id, |
| |
void *opt_data, size_t opt_dlen) |
| |
{ |
| |
sched_task_t *task; |
| |
void *ptr; |
| |
|
| |
if (!root || !func) |
| |
return NULL; |
| |
|
| |
/* get new task */ |
| |
if (!(task = _sched_useTask(root))) |
| |
return NULL; |
| |
|
| |
memset(task, 0, sizeof(sched_task_t)); |
| |
task->task_id = 0; |
| |
task->task_lock = 0; |
| |
task->task_func = func; |
| |
TASK_TYPE(task) = taskUSER; |
| |
TASK_ROOT(task) = root; |
| |
|
| |
TASK_ARG(task) = arg; |
| |
TASK_VAL(task) = id; |
| |
|
| |
TASK_DATA(task) = opt_data; |
| |
TASK_DATLEN(task) = opt_dlen; |
| |
|
| |
if (root->root_hooks.hook_add.user) |
| |
ptr = root->root_hooks.hook_add.user(task, NULL); |
| |
else |
| |
ptr = NULL; |
| |
|
| |
if (!ptr) { |
| |
#ifdef HAVE_LIBPTHREAD |
| |
pthread_mutex_lock(&root->root_mtx[taskUSER]); |
| |
#endif |
| |
TAILQ_INSERT_TAIL(&root->root_user, task, task_node); |
| |
#ifdef HAVE_LIBPTHREAD |
| |
pthread_mutex_unlock(&root->root_mtx[taskUSER]); |
| |
#endif |
| |
} else |
| |
task = _sched_unuseTask(task); |
| |
|
| |
return task; |
| |
} |
| |
|
| |
/* |
| |
* schedSignal() - Add SIGNAL task to scheduler queue |
| |
* |
| |
* @root = root task |
| |
* @func = task execution function |
| |
* @arg = 1st func argument |
| |
* @sig = Signal |
| |
* @opt_data = Optional data |
| |
* @opt_dlen = Optional data length |
| |
* return: NULL error or !=NULL new queued task |
| |
*/ |
| |
sched_task_t * |
| |
schedSignal(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, u_long sig, |
| |
void *opt_data, size_t opt_dlen) |
| |
{ |
| |
sched_task_t *task; |
| |
void *ptr; |
| |
|
| |
if (!root || !func) |
| |
return NULL; |
| |
|
| |
/* get new task */ |
| |
if (!(task = _sched_useTask(root))) |
| |
return NULL; |
| |
|
| |
memset(task, 0, sizeof(sched_task_t)); |
| |
task->task_id = 0; |
| |
task->task_lock = 0; |
| |
task->task_func = func; |
| |
TASK_TYPE(task) = taskSIGNAL; |
| |
TASK_ROOT(task) = root; |
| |
|
| |
TASK_ARG(task) = arg; |
| |
TASK_VAL(task) = sig; |
| |
|
| |
TASK_DATA(task) = opt_data; |
| |
TASK_DATLEN(task) = opt_dlen; |
| |
|
| |
if (root->root_hooks.hook_add.signal) |
| |
ptr = root->root_hooks.hook_add.signal(task, NULL); |
| |
else |
| |
ptr = NULL; |
| |
|
| |
if (!ptr) { |
| |
#ifdef HAVE_LIBPTHREAD |
| |
pthread_mutex_lock(&root->root_mtx[taskSIGNAL]); |
| |
#endif |
| |
TAILQ_INSERT_TAIL(&root->root_signal, task, task_node); |
| |
#ifdef HAVE_LIBPTHREAD |
| |
pthread_mutex_unlock(&root->root_mtx[taskSIGNAL]); |
| |
#endif |
| |
} else |
| |
task = _sched_unuseTask(task); |
| |
|
| |
return task; |
| |
} |
| |
|
| |
/* |
| |
* schedAlarm() - Add ALARM 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 data |
| |
* @opt_dlen = Optional data length |
| |
* return: NULL error or !=NULL new queued task |
| |
*/ |
| |
sched_task_t * |
| |
schedAlarm(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, struct timespec ts, |
| |
void *opt_data, size_t opt_dlen) |
| |
{ |
| |
sched_task_t *task; |
| |
void *ptr; |
| |
|
| |
if (!root || !func) |
| |
return NULL; |
| |
|
| |
/* get new task */ |
| |
if (!(task = _sched_useTask(root))) |
| |
return NULL; |
| |
|
| |
memset(task, 0, sizeof(sched_task_t)); |
| |
task->task_id = 0; |
| |
task->task_lock = 0; |
| |
task->task_func = func; |
| |
TASK_TYPE(task) = taskALARM; |
| |
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.alarm) |
| |
ptr = root->root_hooks.hook_add.alarm(task, NULL); |
| |
else |
| |
ptr = NULL; |
| |
|
| |
if (!ptr) { |
| |
#ifdef HAVE_LIBPTHREAD |
| |
pthread_mutex_lock(&root->root_mtx[taskALARM]); |
| |
#endif |
| |
TAILQ_INSERT_TAIL(&root->root_alarm, task, task_node); |
| |
#ifdef HAVE_LIBPTHREAD |
| |
pthread_mutex_unlock(&root->root_mtx[taskALARM]); |
| |
#endif |
| |
} else |
| |
task = _sched_unuseTask(task); |
| |
|
| |
return task; |
| |
} |
| |
|
| |
/* |
| * schedTimer() - Add TIMER task to scheduler queue |
* schedTimer() - Add TIMER task to scheduler queue |
| |
* |
| * @root = root task |
* @root = root task |
| * @func = task execution function |
* @func = task execution function |
| * @arg = 1st func argument |
* @arg = 1st func argument |
| * @tv = timeout argument structure | * @ts = timeout argument structure |
| * @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 * |
| schedTimer(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, struct timeval tv, | schedTimer(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) |
| { |
{ |
| sched_task_t *task, *t = NULL; |
sched_task_t *task, *t = NULL; |
| void *ptr; |
void *ptr; |
| struct timeval now; | struct timespec now; |
| struct timespec nw; | |
| |
|
| if (!root || !func) |
if (!root || !func) |
| return NULL; |
return NULL; |
|
Line 248 schedTimer(sched_root_task_t * __restrict root, sched_
|
Line 535 schedTimer(sched_root_task_t * __restrict root, sched_
|
| TASK_DATLEN(task) = opt_dlen; |
TASK_DATLEN(task) = opt_dlen; |
| |
|
| /* calculate timeval structure */ |
/* calculate timeval structure */ |
| clock_gettime(CLOCK_MONOTONIC, &nw); | clock_gettime(CLOCK_MONOTONIC, &now); |
| now.tv_sec = nw.tv_sec + tv.tv_sec; | now.tv_sec += ts.tv_sec; |
| now.tv_usec = nw.tv_nsec / 1000 + tv.tv_usec; | now.tv_nsec += ts.tv_nsec; |
| if (now.tv_usec >= 1000000) { | if (now.tv_nsec >= 1000000000L) { |
| now.tv_sec++; |
now.tv_sec++; |
| now.tv_usec -= 1000000; | now.tv_nsec -= 1000000000L; |
| } else if (now.tv_usec < 0) { | } else if (now.tv_nsec < 0) { |
| now.tv_sec--; |
now.tv_sec--; |
| now.tv_usec += 1000000; | now.tv_nsec += 1000000000L; |
| } |
} |
| TASK_TV(task) = now; | TASK_TS(task) = now; |
| |
|
| if (root->root_hooks.hook_add.timer) |
if (root->root_hooks.hook_add.timer) |
| ptr = root->root_hooks.hook_add.timer(task, NULL); |
ptr = root->root_hooks.hook_add.timer(task, NULL); |
|
Line 273 schedTimer(sched_root_task_t * __restrict root, sched_
|
Line 560 schedTimer(sched_root_task_t * __restrict root, sched_
|
| TAILQ_INSERT_TAIL(&root->root_timer, task, task_node); |
TAILQ_INSERT_TAIL(&root->root_timer, task, task_node); |
| #else |
#else |
| TAILQ_FOREACH(t, &root->root_timer, task_node) |
TAILQ_FOREACH(t, &root->root_timer, task_node) |
| if (timercmp(&TASK_TV(task), &TASK_TV(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, task_node); |
TAILQ_INSERT_TAIL(&root->root_timer, task, task_node); |
|
Line 291 schedTimer(sched_root_task_t * __restrict root, sched_
|
Line 578 schedTimer(sched_root_task_t * __restrict root, sched_
|
| |
|
| /* |
/* |
| * schedEvent() - Add EVENT task to scheduler queue |
* schedEvent() - Add EVENT task to scheduler queue |
| |
* |
| * @root = root task |
* @root = root task |
| * @func = task execution function |
* @func = task execution function |
| * @arg = 1st func argument |
* @arg = 1st func argument |
|
Line 348 schedEvent(sched_root_task_t * __restrict root, sched_
|
Line 636 schedEvent(sched_root_task_t * __restrict root, sched_
|
| |
|
| /* |
/* |
| * schedEventLo() - Add EVENT_Lo task to scheduler queue |
* schedEventLo() - Add EVENT_Lo task to scheduler queue |
| |
* |
| * @root = root task |
* @root = root task |
| * @func = task execution function |
* @func = task execution function |
| * @arg = 1st func argument |
* @arg = 1st func argument |
|
Line 404 schedEventLo(sched_root_task_t * __restrict root, sche
|
Line 693 schedEventLo(sched_root_task_t * __restrict root, sche
|
| |
|
| /* |
/* |
| * schedCallOnce() - Call once from scheduler |
* schedCallOnce() - Call once from scheduler |
| |
* |
| * @root = root task |
* @root = root task |
| * @func = task execution function |
* @func = task execution function |
| * @arg = 1st func argument |
* @arg = 1st func argument |