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version 1.4.2.2, 2012/01/08 02:52:29
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version 1.6, 2012/03/13 10:01:59
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Line 12 terms:
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Line 12 terms:
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| 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 |
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Line 86 sched_SetErr(int eno, char *estr, ...)
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Line 86 sched_SetErr(int eno, char *estr, ...)
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| |
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| /* |
/* |
| * schedRegisterHooks() - Register IO handles and bind tasks to it |
* schedRegisterHooks() - Register IO handles and bind tasks to it |
| |
* |
| * @root = root task |
* @root = root task |
| * return: -1 error or 0 ok |
* return: -1 error or 0 ok |
| */ |
*/ |
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Line 113 schedRegisterHooks(sched_root_task_t * __restrict root
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Line 114 schedRegisterHooks(sched_root_task_t * __restrict root
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| |
|
| /* |
/* |
| * schedInit() - Init scheduler |
* schedInit() - Init scheduler |
| |
* |
| * @data = optional data if !=NULL |
* @data = optional data if !=NULL |
| * @datlen = data len if data is set |
* @datlen = data len if data is set |
| * return: allocated root task if ok or NULL error |
* return: allocated root task if ok or NULL error |
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Line 132 schedInit(void ** __restrict data, size_t datlen)
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Line 134 schedInit(void ** __restrict data, size_t datlen)
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| } else { |
} else { |
| memset(root, 0, sizeof(sched_root_task_t)); |
memset(root, 0, sizeof(sched_root_task_t)); |
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| |
/* INFINIT polling period by default */ |
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sched_timespecinf(&root->root_poll); |
| |
|
| #ifdef HAVE_LIBPTHREAD |
#ifdef HAVE_LIBPTHREAD |
| for (i = 0; i < taskMAX; i++) |
for (i = 0; i < taskMAX; i++) |
| if (pthread_mutex_init(&root->root_mtx[i], NULL)) { |
if (pthread_mutex_init(&root->root_mtx[i], NULL)) { |
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Line 179 schedInit(void ** __restrict data, size_t datlen)
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Line 184 schedInit(void ** __restrict data, size_t datlen)
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| |
|
| /* |
/* |
| * schedEnd() - End scheduler & free all resources |
* schedEnd() - End scheduler & free all resources |
| |
* |
| * @root = root task |
* @root = root task |
| * return: -1 error or 0 ok |
* return: -1 error or 0 ok |
| */ |
*/ |
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Line 193 schedEnd(sched_root_task_t ** __restrict root)
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Line 199 schedEnd(sched_root_task_t ** __restrict root)
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| if (!root || !*root) |
if (!root || !*root) |
| return -1; |
return -1; |
| |
|
| #ifdef HAVE_LIBPTHREAD |
|
| for (i = 0; i < taskMAX; i++) |
|
| pthread_mutex_lock(&(*root)->root_mtx[i]); |
|
| #endif |
|
| TAILQ_FOREACH(task, &(*root)->root_read, task_node) { |
TAILQ_FOREACH(task, &(*root)->root_read, task_node) { |
| schedCancel(task); |
schedCancel(task); |
| } |
} |
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Line 216 schedEnd(sched_root_task_t ** __restrict root)
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Line 218 schedEnd(sched_root_task_t ** __restrict root)
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| schedCancel(task); |
schedCancel(task); |
| } |
} |
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#ifdef HAVE_LIBPTHREAD |
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pthread_mutex_lock(&(*root)->root_mtx[taskUNUSE]); |
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#endif |
| while ((task = TAILQ_FIRST(&(*root)->root_unuse))) { |
while ((task = TAILQ_FIRST(&(*root)->root_unuse))) { |
| TAILQ_REMOVE(&(*root)->root_unuse, task, task_node); |
TAILQ_REMOVE(&(*root)->root_unuse, task, task_node); |
| free(task); |
free(task); |
| } |
} |
| #ifdef HAVE_LIBPTHREAD |
#ifdef HAVE_LIBPTHREAD |
| for (i = 0; i < taskMAX; i++) | pthread_mutex_unlock(&(*root)->root_mtx[taskUNUSE]); |
| pthread_mutex_unlock(&(*root)->root_mtx[i]); | |
| #endif |
#endif |
| |
|
| if ((*root)->root_hooks.hook_root.fini) |
if ((*root)->root_hooks.hook_root.fini) |
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Line 240 schedEnd(sched_root_task_t ** __restrict root)
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Line 244 schedEnd(sched_root_task_t ** __restrict root)
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| |
|
| /* |
/* |
| * schedCall() - Call task execution function |
* schedCall() - Call task execution function |
| |
* |
| * @task = current task |
* @task = current task |
| * return: !=NULL error or =NULL ok |
* return: !=NULL error or =NULL ok |
| */ |
*/ |
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Line 263 schedCall(sched_task_t * __restrict task)
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Line 268 schedCall(sched_task_t * __restrict task)
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| |
|
| /* |
/* |
| * schedFetch() - Fetch ready task |
* schedFetch() - Fetch ready task |
| |
* |
| * @root = root task |
* @root = root task |
| * return: =NULL error or !=NULL ready task |
* return: =NULL error or !=NULL ready task |
| */ |
*/ |
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Line 284 schedFetch(sched_root_task_t * __restrict root)
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Line 290 schedFetch(sched_root_task_t * __restrict root)
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| |
|
| /* |
/* |
| * schedCancel() - Cancel task from scheduler |
* schedCancel() - Cancel task from scheduler |
| |
* |
| * @task = task |
* @task = task |
| * return: -1 error or 0 ok |
* return: -1 error or 0 ok |
| */ |
*/ |
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Line 338 schedCancel(sched_task_t * __restrict task)
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Line 345 schedCancel(sched_task_t * __restrict task)
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| |
|
| /* |
/* |
| * schedCancelby() - Cancel task from scheduler by criteria |
* schedCancelby() - Cancel task from scheduler by criteria |
| |
* |
| * @root = root task |
* @root = root task |
| * @type = cancel from queue type, if =taskMAX cancel same task from all queues |
* @type = cancel from queue type, if =taskMAX cancel same task from all queues |
| * @criteria = find task by criteria [CRITERIA_CALL|CRITERIA_ARG|CRITERIA_FD|CRITERIA_VAL|CRITERIA_TV] |
* @criteria = find task by criteria [CRITERIA_CALL|CRITERIA_ARG|CRITERIA_FD|CRITERIA_VAL|CRITERIA_TV] |
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Line 418 schedCancelby(sched_root_task_t * __restrict root, sch
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Line 426 schedCancelby(sched_root_task_t * __restrict root, sch
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| break; |
break; |
| } |
} |
| } else if (criteria == CRITERIA_TV) { |
} else if (criteria == CRITERIA_TV) { |
| if (!timercmp(&TASK_TV(task), (struct timeval*) param, -)) { | if (!sched_timespeccmp(&TASK_TS(task), (struct timespec*) param, -)) { |
| flg++; |
flg++; |
| break; |
break; |
| } |
} |
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Line 457 schedCancelby(sched_root_task_t * __restrict root, sch
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Line 465 schedCancelby(sched_root_task_t * __restrict root, sch
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| |
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| /* |
/* |
| * schedRun() - Scheduler *run loop* |
* schedRun() - Scheduler *run loop* |
| |
* |
| * @root = root task |
* @root = root task |
| * @killState = kill condition variable, if !=0 stop scheduler loop |
* @killState = kill condition variable, if !=0 stop scheduler loop |
| * return: -1 error or 0 ok |
* return: -1 error or 0 ok |
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Line 473 schedRun(sched_root_task_t * __restrict root, volatile
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Line 482 schedRun(sched_root_task_t * __restrict root, volatile
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| if (root->root_hooks.hook_exec.run(root, NULL)) |
if (root->root_hooks.hook_exec.run(root, NULL)) |
| return -1; |
return -1; |
| if (root->root_hooks.hook_exec.fetch) { |
if (root->root_hooks.hook_exec.fetch) { |
| if (killState) | if (killState) { |
| while (!*killState) { | if (root->root_hooks.hook_exec.condition) |
| if ((task = root->root_hooks.hook_exec.fetch(root, NULL))) | while (root->root_hooks.hook_exec.condition(root, (void*) killState)) { |
| schedCall(task); | if ((task = root->root_hooks.hook_exec.fetch(root, NULL))) |
| } | schedCall(task); |
| else | } |
| | else |
| | while (!*killState) { |
| | if ((task = root->root_hooks.hook_exec.fetch(root, NULL))) |
| | schedCall(task); |
| | } |
| | } else |
| while ((task = root->root_hooks.hook_exec.fetch(root, NULL))) |
while ((task = root->root_hooks.hook_exec.fetch(root, NULL))) |
| schedCall(task); |
schedCall(task); |
| } |
} |
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return 0; |
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} |
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/* |
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* schedPolling() - Polling timeout period if no timer task is present |
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* |
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* @root = root task |
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* @ts = timeout polling period, if ==NULL INFINIT timeout |
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* @tsold = old timeout polling if !=NULL |
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* return: -1 error or 0 ok |
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*/ |
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inline int |
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schedPolling(sched_root_task_t * __restrict root, struct timespec * __restrict ts, |
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struct timespec * __restrict tsold) |
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{ |
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if (!root) |
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return -1; |
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if (tsold) |
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*tsold = root->root_poll; |
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if (!ts) |
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sched_timespecinf(&root->root_poll); |
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else |
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root->root_poll = *ts; |
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return 0; |
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} |
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|
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/* |
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* schedTermCondition() - Activate hook for scheduler condition kill |
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* |
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* @root = root task |
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* @condValue = condition value, kill schedRun() if condValue == killState |
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* return: -1 error ok 0 ok |
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*/ |
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inline int |
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schedTermCondition(sched_root_task_t * __restrict root, intptr_t condValue) |
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{ |
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if (!root) |
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return -1; |
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root->root_cond = condValue; |
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root->root_hooks.hook_exec.condition = sched_hook_condition; |
| return 0; |
return 0; |
| } |
} |