version 1.3.4.1, 2012/01/08 03:28:26
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version 1.5, 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> |
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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. |
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Redistribution and use in source and binary forms, with or without |
Redistribution and use in source and binary forms, with or without |
Line 49 SUCH DAMAGE.
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Line 49 SUCH DAMAGE.
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/* |
/* |
* sched_hook_init() - Default INIT hook |
* sched_hook_init() - Default INIT hook |
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* |
* @root = root task |
* @root = root task |
* @data = optional data if !=NULL |
* @data = optional data if !=NULL |
* return: <0 errors and 0 ok |
* return: <0 errors and 0 ok |
Line 81 sched_hook_init(void *root, void *data)
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Line 82 sched_hook_init(void *root, void *data)
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/* |
/* |
* sched_hook_fini() - Default FINI hook |
* sched_hook_fini() - Default FINI hook |
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* |
* @root = root task |
* @root = root task |
* @arg = unused |
* @arg = unused |
* return: <0 errors and 0 ok |
* return: <0 errors and 0 ok |
Line 109 sched_hook_fini(void *root, void *arg __unused)
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Line 111 sched_hook_fini(void *root, void *arg __unused)
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/* |
/* |
* sched_hook_cancel() - Default CANCEL hook |
* sched_hook_cancel() - Default CANCEL hook |
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* |
* @task = current task |
* @task = current task |
* @arg = unused |
* @arg = unused |
* return: <0 errors and 0 ok |
* return: <0 errors and 0 ok |
Line 154 sched_hook_cancel(void *task, void *arg __unused)
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Line 157 sched_hook_cancel(void *task, void *arg __unused)
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/* |
/* |
* sched_hook_read() - Default READ hook |
* sched_hook_read() - Default READ hook |
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* |
* @task = current task |
* @task = current task |
* @arg = unused |
* @arg = unused |
* return: <0 errors and 0 ok |
* return: <0 errors and 0 ok |
Line 194 sched_hook_read(void *task, void *arg __unused)
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Line 198 sched_hook_read(void *task, void *arg __unused)
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/* |
/* |
* sched_hook_write() - Default WRITE hook |
* sched_hook_write() - Default WRITE hook |
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* |
* @task = current task |
* @task = current task |
* @arg = unused |
* @arg = unused |
* return: <0 errors and 0 ok |
* return: <0 errors and 0 ok |
Line 234 sched_hook_write(void *task, void *arg __unused)
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Line 239 sched_hook_write(void *task, void *arg __unused)
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/* |
/* |
* sched_hook_fetch() - Default FETCH hook |
* sched_hook_fetch() - Default FETCH hook |
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* |
* @root = root task |
* @root = root task |
* @arg = unused |
* @arg = unused |
* return: NULL error or !=NULL fetched task |
* return: NULL error or !=NULL fetched task |
Line 244 sched_hook_fetch(void *root, void *arg __unused)
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Line 250 sched_hook_fetch(void *root, void *arg __unused)
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struct sched_IO *io; |
struct sched_IO *io; |
sched_root_task_t *r = root; |
sched_root_task_t *r = root; |
sched_task_t *task; |
sched_task_t *task; |
struct timeval now, m, mtmp; | struct timespec now, m, mtmp; |
struct timespec nw, *timeout; | struct timespec *timeout; |
struct kevent evt[1], res[KQ_EVENTS]; |
struct kevent evt[1], res[KQ_EVENTS]; |
register int i; |
register int i; |
int en; |
int en; |
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} |
} |
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#ifdef TIMER_WITHOUT_SORT |
#ifdef TIMER_WITHOUT_SORT |
clock_gettime(CLOCK_MONOTONIC, &nw); | clock_gettime(CLOCK_MONOTONIC, &now); |
now.tv_sec = nw.tv_sec; | |
now.tv_usec = nw.tv_nsec / 1000; | |
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timerclear(&r->root_wait); | sched_timespecclear(&r->root_wait); |
TAILQ_FOREACH(task, &r->root_timer, task_node) { |
TAILQ_FOREACH(task, &r->root_timer, task_node) { |
if (!timerisset(&r->root_wait)) | if (!sched_timespecisset(&r->root_wait)) |
r->root_wait = TASK_TV(task); | r->root_wait = TASK_TS(task); |
else if (timercmp(&TASK_TV(task), &r->root_wait, -) < 0) | else if (sched_timespeccmp(&TASK_TS(task), &r->root_wait, -) < 0) |
r->root_wait = TASK_TV(task); | r->root_wait = TASK_TS(task); |
} |
} |
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if (TAILQ_FIRST(&r->root_timer)) { |
if (TAILQ_FIRST(&r->root_timer)) { |
m = r->root_wait; |
m = r->root_wait; |
timersub(&m, &now, &mtmp); | sched_timespecsub(&m, &now, &mtmp); |
r->root_wait = mtmp; |
r->root_wait = mtmp; |
} else { |
} else { |
/* set wait INFTIM */ |
/* set wait INFTIM */ |
r->root_wait.tv_sec = r->root_wait.tv_usec = -1; | sched_timespecinf(&r->root_wait); |
} |
} |
#else |
#else |
if (!TAILQ_FIRST(&r->root_eventlo) && (task = TAILQ_FIRST(&r->root_timer))) { |
if (!TAILQ_FIRST(&r->root_eventlo) && (task = TAILQ_FIRST(&r->root_timer))) { |
clock_gettime(CLOCK_MONOTONIC, &nw); | clock_gettime(CLOCK_MONOTONIC, &now); |
now.tv_sec = nw.tv_sec; | |
now.tv_usec = nw.tv_nsec / 1000; | |
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m = TASK_TV(task); | m = TASK_TS(task); |
timersub(&m, &now, &mtmp); | sched_timespecsub(&m, &now, &mtmp); |
r->root_wait = mtmp; |
r->root_wait = mtmp; |
} else { |
} else { |
/* set wait INFTIM */ |
/* set wait INFTIM */ |
r->root_wait.tv_sec = r->root_wait.tv_usec = -1; | sched_timespecinf(&r->root_wait); |
} |
} |
#endif |
#endif |
/* if present member of eventLo, set NOWAIT */ |
/* if present member of eventLo, set NOWAIT */ |
if (TAILQ_FIRST(&r->root_eventlo)) |
if (TAILQ_FIRST(&r->root_eventlo)) |
timerclear(&r->root_wait); | sched_timespecclear(&r->root_wait); |
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if (r->root_wait.tv_sec != -1 && r->root_wait.tv_usec != -1) { | if (r->root_wait.tv_sec != -1 && r->root_wait.tv_nsec != -1) |
nw.tv_sec = r->root_wait.tv_sec; | timeout = &r->root_wait; |
nw.tv_nsec = r->root_wait.tv_usec * 1000; | else if (sched_timespecisinf(&r->root_poll)) |
timeout = &nw; | |
} else /* wait INFTIM */ | |
timeout = NULL; |
timeout = NULL; |
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else |
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timeout = &r->root_poll; |
if ((en = kevent(r->root_kq, NULL, 0, res, KQ_EVENTS, timeout)) == -1) { |
if ((en = kevent(r->root_kq, NULL, 0, res, KQ_EVENTS, timeout)) == -1) { |
if (r->root_hooks.hook_exec.exception) { |
if (r->root_hooks.hook_exec.exception) { |
if (r->root_hooks.hook_exec.exception(r, NULL)) |
if (r->root_hooks.hook_exec.exception(r, NULL)) |
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#endif |
#endif |
} |
} |
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nw.tv_sec = nw.tv_nsec = 0; | now.tv_sec = now.tv_nsec = 0; |
/* Go and catch the cat into pipes ... */ |
/* Go and catch the cat into pipes ... */ |
for (i = 0; i < en; i++) { |
for (i = 0; i < en; i++) { |
memcpy(evt, &res[i], sizeof evt); |
memcpy(evt, &res[i], sizeof evt); |
Line 456 retry:
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Line 458 retry:
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} |
} |
break; |
break; |
} |
} |
if (kevent(r->root_kq, evt, 1, NULL, 0, &nw) == -1) { | if (kevent(r->root_kq, evt, 1, NULL, 0, &now) == -1) { |
if (r->root_hooks.hook_exec.exception) { |
if (r->root_hooks.hook_exec.exception) { |
if (r->root_hooks.hook_exec.exception(r, NULL)) |
if (r->root_hooks.hook_exec.exception(r, NULL)) |
return NULL; |
return NULL; |
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} |
} |
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/* timer update & put in ready queue */ |
/* timer update & put in ready queue */ |
clock_gettime(CLOCK_MONOTONIC, &nw); | clock_gettime(CLOCK_MONOTONIC, &now); |
now.tv_sec = nw.tv_sec; | |
now.tv_usec = nw.tv_nsec / 1000; | |
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TAILQ_FOREACH(task, &r->root_timer, task_node) |
TAILQ_FOREACH(task, &r->root_timer, task_node) |
if (timercmp(&now, &TASK_TV(task), -) >= 0) { | if (sched_timespeccmp(&now, &TASK_TS(task), -) >= 0) { |
#ifdef HAVE_LIBPTHREAD |
#ifdef HAVE_LIBPTHREAD |
pthread_mutex_lock(&r->root_mtx[taskTIMER]); |
pthread_mutex_lock(&r->root_mtx[taskTIMER]); |
#endif |
#endif |
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Line 538 retry:
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/* |
/* |
* sched_hook_exception() - Default EXCEPTION hook |
* sched_hook_exception() - Default EXCEPTION hook |
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* |
* @root = root task |
* @root = root task |
* @arg = custom handling: if arg == EV_EOF or other value; default: arg == NULL log errno |
* @arg = custom handling: if arg == EV_EOF or other value; default: arg == NULL log errno |
* return: <0 errors and 0 ok |
* return: <0 errors and 0 ok |
Line 564 sched_hook_exception(void *root, void *arg)
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Line 565 sched_hook_exception(void *root, void *arg)
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/* default case! */ |
/* default case! */ |
LOGERR; |
LOGERR; |
return NULL; |
return NULL; |
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} |
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/* |
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* sched_hook_condition() - Default CONDITION hook |
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* |
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* @root = root task |
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* @arg = killState from schedRun() |
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* return: NULL kill scheduler loop or !=NULL ok |
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*/ |
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void * |
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sched_hook_condition(void *root, void *arg) |
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{ |
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sched_root_task_t *r = root; |
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if (!r || !ROOT_DATA(r) || !ROOT_DATLEN(r)) |
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return NULL; |
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return (void*) (r->root_cond - *(intptr_t*) arg); |
} |
} |