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version 1.5.2.4, 2012/05/10 15:30:18
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version 1.27.2.8, 2014/06/05 22:16:00
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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, 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 47 SUCH DAMAGE.
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Line 47 SUCH DAMAGE.
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| #include "hooks.h" |
#include "hooks.h" |
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static inline void |
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transit_task2ready(sched_task_t * __restrict t, sched_queue_t * __restrict q) |
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{ |
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remove_task_from(t, q); |
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|
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t->task_type = taskREADY; |
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insert_task_to(t, &(TASK_ROOT(t))->root_ready); |
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} |
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|
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#ifdef HAVE_LIBPTHREAD |
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static void * |
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_sched_threadWrapper(sched_task_t *t) |
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{ |
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void *ret = NULL; |
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sched_root_task_t *r; |
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|
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if (!t || !TASK_ROOT(t)) |
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pthread_exit(ret); |
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else |
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r = (sched_root_task_t*) TASK_ROOT(t); |
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|
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pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL); |
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/* |
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pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL); |
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*/ |
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|
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/* notify parent, thread is ready for execution */ |
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pthread_testcancel(); |
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|
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ret = schedCall(t); |
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r->root_ret = ret; |
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|
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if (TASK_VAL(t)) { |
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transit_task2unuse(t, &r->root_thread); |
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TASK_VAL(t) = 0; |
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} |
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|
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pthread_exit(ret); |
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} |
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#endif |
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|
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#if defined(HAVE_TIMER_CREATE) && defined(HAVE_TIMER_SETTIME) && defined(HAVE_TIMER_DELETE) |
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#if SUP_ENABLE == KQ_SUPPORT |
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static void * |
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_sched_rtcWrapper(sched_task_t *t) |
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{ |
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sched_task_t *task; |
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void *ret; |
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|
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if (!t || !TASK_ROOT(t) || !TASK_DATA(t)) |
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return NULL; |
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else { |
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task = (sched_task_t*) TASK_DATA(t); |
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timer_delete((timer_t) TASK_DATLEN(t)); |
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} |
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|
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ret = schedCall(task); |
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|
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transit_task2unuse(task, &(TASK_ROOT(task))->root_rtc); |
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return ret; |
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} |
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#else |
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static void |
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_sched_rtcSigWrapper(int sig, siginfo_t *si, void *uc) |
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{ |
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sched_task_t *task; |
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|
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if (si && si->si_value.sival_ptr) { |
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task = (sched_task_t*) si->si_value.sival_ptr; |
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timer_delete((timer_t) TASK_FLAG(task)); |
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|
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TASK_RET(task) = (intptr_t) schedCall(task); |
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|
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transit_task2unuse(task, &(TASK_ROOT(task))->root_rtc); |
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} |
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} |
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#endif |
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#endif |
| |
|
| /* |
/* |
| * sched_hook_init() - Default INIT hook |
* sched_hook_init() - Default INIT hook |
| * |
* |
|
Line 62 sched_hook_init(void *root, void *arg __unused)
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Line 141 sched_hook_init(void *root, void *arg __unused)
|
| if (!r) |
if (!r) |
| return (void*) -1; |
return (void*) -1; |
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|
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#if SUP_ENABLE == KQ_SUPPORT |
| r->root_kq = kqueue(); |
r->root_kq = kqueue(); |
| if (r->root_kq == -1) { |
if (r->root_kq == -1) { |
| LOGERR; |
LOGERR; |
| return (void*) -1; |
return (void*) -1; |
| } |
} |
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#elif SUP_ENABLE == EP_SUPPORT |
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r->root_kq = epoll_create(KQ_EVENTS); |
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if (r->root_kq == -1) { |
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LOGERR; |
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return (void*) -1; |
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} |
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#else |
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r->root_kq ^= r->root_kq; |
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FD_ZERO(&r->root_fds[0]); |
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FD_ZERO(&r->root_fds[1]); |
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#endif |
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|
| return NULL; |
return NULL; |
| } |
} |
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Line 86 sched_hook_fini(void *root, void *arg __unused)
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Line 177 sched_hook_fini(void *root, void *arg __unused)
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| if (!r) |
if (!r) |
| return (void*) -1; |
return (void*) -1; |
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|
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#if SUP_ENABLE == KQ_SUPPORT || SUP_ENABLE == EP_SUPPORT |
| if (r->root_kq > 2) { |
if (r->root_kq > 2) { |
| close(r->root_kq); |
close(r->root_kq); |
| r->root_kq = 0; |
r->root_kq = 0; |
| } |
} |
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#else |
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FD_ZERO(&r->root_fds[1]); |
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FD_ZERO(&r->root_fds[0]); |
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r->root_kq ^= r->root_kq; |
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#endif |
| |
|
| return NULL; |
return NULL; |
| } |
} |
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Line 104 sched_hook_fini(void *root, void *arg __unused)
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Line 201 sched_hook_fini(void *root, void *arg __unused)
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| void * |
void * |
| sched_hook_cancel(void *task, void *arg __unused) |
sched_hook_cancel(void *task, void *arg __unused) |
| { |
{ |
| sched_task_t *t = task; | sched_task_t *t = task, *tmp, *tt; |
| | sched_root_task_t *r = NULL; |
| | int flg; |
| | #if SUP_ENABLE == KQ_SUPPORT |
| struct kevent chg[1]; |
struct kevent chg[1]; |
| struct timespec timeout = { 0, 0 }; |
struct timespec timeout = { 0, 0 }; |
| |
#elif SUP_ENABLE == EP_SUPPORT |
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struct epoll_event ee = { .events = 0, .data.fd = 0 }; |
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#else |
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register int i; |
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#endif |
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#ifdef AIO_SUPPORT |
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struct aiocb *acb; |
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#ifdef EVFILT_LIO |
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register int i = 0; |
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struct aiocb **acbs; |
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#endif /* EVFILT_LIO */ |
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#endif /* AIO_SUPPORT */ |
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|
| if (!t || !TASK_ROOT(t)) |
if (!t || !TASK_ROOT(t)) |
| return (void*) -1; |
return (void*) -1; |
| |
else |
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r = TASK_ROOT(t); |
| |
|
| switch (TASK_TYPE(t)) { |
switch (TASK_TYPE(t)) { |
| case taskREAD: |
case taskREAD: |
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/* check for multi subscribers */ |
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flg = 0; |
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TAILQ_FOREACH_SAFE(tt, &r->root_read, task_node, tmp) |
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if (TASK_FD(tt) != TASK_FD(t)) |
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continue; |
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else |
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flg++; |
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#if SUP_ENABLE == KQ_SUPPORT |
| #ifdef __NetBSD__ |
#ifdef __NetBSD__ |
| EV_SET(&chg[0], TASK_FD(t), EVFILT_READ, EV_DELETE, 0, 0, (intptr_t) TASK_FD(t)); | EV_SET(&chg[0], TASK_FD(t), EVFILT_READ, flg < 2 ? EV_DELETE : 0, |
| | 0, 0, (intptr_t) TASK_FD(t)); |
| #else |
#else |
| EV_SET(&chg[0], TASK_FD(t), EVFILT_READ, EV_DELETE, 0, 0, (void*) TASK_FD(t)); | EV_SET(&chg[0], TASK_FD(t), EVFILT_READ, flg < 2 ? EV_DELETE : 0, |
| | 0, 0, (void*) TASK_FD(t)); |
| #endif |
#endif |
| kevent(TASK_ROOT(t)->root_kq, chg, 1, NULL, 0, &timeout); | #elif SUP_ENABLE == EP_SUPPORT |
| | ee.data.fd = TASK_FD(t); |
| | if (FD_ISSET(TASK_FD(t), &r->root_fds[1])) |
| | ee.events = EPOLLOUT; |
| | |
| | if (flg < 2) |
| | FD_CLR(TASK_FD(t), &r->root_fds[0]); |
| | else |
| | ee.events |= (EPOLLIN | EPOLLPRI | EPOLLRDHUP); |
| | #else |
| | if (flg < 2) { |
| | FD_CLR(TASK_FD(t), &r->root_fds[0]); |
| | |
| | /* optimize select */ |
| | for (i = r->root_kq - 1; i > 2; i--) |
| | if (FD_ISSET(i, &r->root_fds[0]) || FD_ISSET(i, &r->root_fds[1])) |
| | break; |
| | if (i > 2) |
| | r->root_kq = i + 1; |
| | } |
| | #endif |
| break; |
break; |
| case taskWRITE: |
case taskWRITE: |
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/* check for multi subscribers */ |
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flg = 0; |
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TAILQ_FOREACH_SAFE(tt, &r->root_write, task_node, tmp) |
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if (TASK_FD(tt) != TASK_FD(t)) |
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continue; |
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else |
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flg++; |
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#if SUP_ENABLE == KQ_SUPPORT |
| #ifdef __NetBSD__ |
#ifdef __NetBSD__ |
| EV_SET(&chg[0], TASK_FD(t), EVFILT_WRITE, EV_DELETE, 0, 0, (intptr_t) TASK_FD(t)); | EV_SET(&chg[0], TASK_FD(t), EVFILT_WRITE, flg < 2 ? EV_DELETE : 0, |
| | 0, 0, (intptr_t) TASK_FD(t)); |
| #else |
#else |
| EV_SET(&chg[0], TASK_FD(t), EVFILT_WRITE, EV_DELETE, 0, 0, (void*) TASK_FD(t)); | EV_SET(&chg[0], TASK_FD(t), EVFILT_WRITE, flg < 2 ? EV_DELETE : 0, |
| | 0, 0, (void*) TASK_FD(t)); |
| #endif |
#endif |
| kevent(TASK_ROOT(t)->root_kq, chg, 1, NULL, 0, &timeout); | #elif SUP_ENABLE == EP_SUPPORT |
| | ee.data.fd = TASK_FD(t); |
| | if (FD_ISSET(TASK_FD(t), &r->root_fds[0])) |
| | ee.events = EPOLLIN | EPOLLPRI | EPOLLRDHUP; |
| | |
| | if (flg < 2) |
| | FD_CLR(TASK_FD(t), &r->root_fds[1]); |
| | else |
| | ee.events |= EPOLLOUT; |
| | #else |
| | if (flg < 2) { |
| | FD_CLR(TASK_FD(t), &r->root_fds[1]); |
| | |
| | /* optimize select */ |
| | for (i = r->root_kq - 1; i > 2; i--) |
| | if (FD_ISSET(i, &r->root_fds[0]) || FD_ISSET(i, &r->root_fds[1])) |
| | break; |
| | if (i > 2) |
| | r->root_kq = i + 1; |
| | } |
| | #endif |
| break; |
break; |
| default: | case taskALARM: |
| | #if SUP_ENABLE == KQ_SUPPORT |
| | /* check for multi subscribers */ |
| | flg = 0; |
| | TAILQ_FOREACH_SAFE(tt, &r->root_alarm, task_node, tmp) |
| | if (TASK_DATA(tt) != TASK_DATA(t)) |
| | continue; |
| | else |
| | flg++; |
| | #ifdef __NetBSD__ |
| | EV_SET(&chg[0], (uintptr_t) TASK_DATA(t), EVFILT_TIMER, flg < 2 ? EV_DELETE : 0, |
| | 0, 0, (intptr_t) TASK_DATA(t)); |
| | #else |
| | EV_SET(&chg[0], (uintptr_t) TASK_DATA(t), EVFILT_TIMER, flg < 2 ? EV_DELETE : 0, |
| | 0, 0, (void*) TASK_DATA(t)); |
| | #endif |
| | #endif |
| break; |
break; |
| |
case taskNODE: |
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#if SUP_ENABLE == KQ_SUPPORT |
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/* check for multi subscribers */ |
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flg = 0; |
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TAILQ_FOREACH_SAFE(tt, &r->root_node, task_node, tmp) |
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if (TASK_FD(tt) != TASK_FD(t)) |
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continue; |
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else |
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flg++; |
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#ifdef __NetBSD__ |
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EV_SET(&chg[0], TASK_FD(t), EVFILT_VNODE, flg < 2 ? EV_DELETE : 0, |
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0, 0, (intptr_t) TASK_FD(t)); |
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#else |
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EV_SET(&chg[0], TASK_FD(t), EVFILT_VNODE, flg < 2 ? EV_DELETE : 0, |
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0, 0, (void*) TASK_FD(t)); |
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#endif |
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#endif |
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break; |
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case taskPROC: |
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#if SUP_ENABLE == KQ_SUPPORT |
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/* check for multi subscribers */ |
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flg = 0; |
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TAILQ_FOREACH_SAFE(tt, &r->root_proc, task_node, tmp) |
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if (TASK_VAL(tt) != TASK_VAL(t)) |
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continue; |
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else |
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flg++; |
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#ifdef __NetBSD__ |
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EV_SET(&chg[0], TASK_VAL(t), EVFILT_PROC, flg < 2 ? EV_DELETE : 0, |
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0, 0, (intptr_t) TASK_VAL(t)); |
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#else |
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EV_SET(&chg[0], TASK_VAL(t), EVFILT_PROC, flg < 2 ? EV_DELETE : 0, |
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0, 0, (void*) TASK_VAL(t)); |
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#endif |
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#endif |
| |
break; |
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case taskSIGNAL: |
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#if SUP_ENABLE == KQ_SUPPORT |
| |
/* check for multi subscribers */ |
| |
flg = 0; |
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TAILQ_FOREACH_SAFE(tt, &r->root_signal, task_node, tmp) |
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if (TASK_VAL(tt) != TASK_VAL(t)) |
| |
continue; |
| |
else |
| |
flg++; |
| |
#ifdef __NetBSD__ |
| |
EV_SET(&chg[0], TASK_VAL(t), EVFILT_SIGNAL, flg < 2 ? EV_DELETE : 0, |
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0, 0, (intptr_t) TASK_VAL(t)); |
| |
#else |
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EV_SET(&chg[0], TASK_VAL(t), EVFILT_SIGNAL, flg < 2 ? EV_DELETE : 0, |
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0, 0, (void*) TASK_VAL(t)); |
| |
#endif |
| |
/* restore signal */ |
| |
if (flg < 2) |
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signal(TASK_VAL(t), SIG_DFL); |
| |
#endif |
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break; |
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#ifdef AIO_SUPPORT |
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case taskAIO: |
| |
#if SUP_ENABLE == KQ_SUPPORT |
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/* check for multi subscribers */ |
| |
flg = 0; |
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TAILQ_FOREACH_SAFE(tt, &r->root_aio, task_node, tmp) |
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if (TASK_VAL(tt) != TASK_VAL(t)) |
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continue; |
| |
else |
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flg++; |
| |
#ifdef __NetBSD__ |
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EV_SET(&chg[0], TASK_VAL(t), EVFILT_AIO, flg < 2 ? EV_DELETE : 0, |
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0, 0, (intptr_t) TASK_VAL(t)); |
| |
#else |
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EV_SET(&chg[0], TASK_VAL(t), EVFILT_AIO, flg < 2 ? EV_DELETE : 0, |
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0, 0, (void*) TASK_VAL(t)); |
| |
#endif |
| |
acb = (struct aiocb*) TASK_VAL(t); |
| |
if (acb) { |
| |
if (aio_cancel(acb->aio_fildes, acb) == AIO_CANCELED) |
| |
aio_return(acb); |
| |
free(acb); |
| |
TASK_VAL(t) = 0; |
| |
} |
| |
#endif |
| |
break; |
| |
#ifdef EVFILT_LIO |
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case taskLIO: |
| |
#if SUP_ENABLE == KQ_SUPPORT |
| |
/* check for multi subscribers */ |
| |
flg = 0; |
| |
TAILQ_FOREACH_SAFE(tt, &r->root_lio, task_node, tmp) |
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if (TASK_VAL(tt) != TASK_VAL(t)) |
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continue; |
| |
else |
| |
flg++; |
| |
#ifdef __NetBSD__ |
| |
EV_SET(&chg[0], TASK_VAL(t), EVFILT_LIO, flg < 2 ? EV_DELETE : 0, |
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0, 0, (intptr_t) TASK_VAL(t)); |
| |
#else |
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EV_SET(&chg[0], TASK_VAL(t), EVFILT_LIO, flg < 2 ? EV_DELETE : 0, |
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0, 0, (void*) TASK_VAL(t)); |
| |
#endif |
| |
acbs = (struct aiocb**) TASK_VAL(t); |
| |
if (acbs) { |
| |
for (i = 0; i < TASK_DATLEN(t); i++) { |
| |
if (aio_cancel(acbs[i]->aio_fildes, acbs[i]) == AIO_CANCELED) |
| |
aio_return(acbs[i]); |
| |
free(acbs[i]); |
| |
} |
| |
free(acbs); |
| |
TASK_VAL(t) = 0; |
| |
} |
| |
#endif |
| |
break; |
| |
#endif /* EVFILT_LIO */ |
| |
#endif /* AIO_SUPPORT */ |
| |
#ifdef EVFILT_USER |
| |
case taskUSER: |
| |
#if SUP_ENABLE == KQ_SUPPORT |
| |
/* check for multi subscribers */ |
| |
flg = 0; |
| |
TAILQ_FOREACH_SAFE(tt, &r->root_user, task_node, tmp) |
| |
if (TASK_VAL(tt) != TASK_VAL(t)) |
| |
continue; |
| |
else |
| |
flg++; |
| |
#ifdef __NetBSD__ |
| |
EV_SET(&chg[0], TASK_VAL(t), EVFILT_USER, flg < 2 ? EV_DELETE : 0, |
| |
0, 0, (intptr_t) TASK_VAL(t)); |
| |
#else |
| |
EV_SET(&chg[0], TASK_VAL(t), EVFILT_USER, flg < 2 ? EV_DELETE : 0, |
| |
0, 0, (void*) TASK_VAL(t)); |
| |
#endif |
| |
#endif |
| |
break; |
| |
#endif /* EVFILT_USER */ |
| |
case taskTHREAD: |
| |
#ifdef HAVE_LIBPTHREAD |
| |
if (TASK_VAL(t)) { |
| |
pthread_cancel((pthread_t) TASK_VAL(t)); |
| |
pthread_join((pthread_t) TASK_VAL(t), NULL); |
| |
if (TASK_VAL(t)) { |
| |
transit_task2unuse(t, &(TASK_ROOT(t))->root_thread); |
| |
TASK_VAL(t) = 0; |
| |
} |
| |
} |
| |
#endif |
| |
return NULL; |
| |
#if defined(HAVE_TIMER_CREATE) && defined(HAVE_TIMER_SETTIME) && defined(HAVE_TIMER_DELETE) |
| |
case taskRTC: |
| |
timer_delete((timer_t) TASK_FLAG(t)); |
| |
#if SUP_ENABLE == KQ_SUPPORT |
| |
schedCancel((sched_task_t*) TASK_RET(t)); |
| |
#else |
| |
/* check for multi subscribers */ |
| |
flg = 0; |
| |
TAILQ_FOREACH_SAFE(tt, &r->root_rtc, task_node, tmp) |
| |
if (TASK_DATA(tt) != TASK_DATA(t)) |
| |
continue; |
| |
else |
| |
flg++; |
| |
|
| |
/* restore signal */ |
| |
if (flg < 2) |
| |
signal((intptr_t) TASK_DATA(t) + SIGRTMIN, SIG_DFL); |
| |
#endif |
| |
return NULL; |
| |
#endif /* HAVE_TIMER_CREATE */ |
| |
default: |
| |
return NULL; |
| } |
} |
| |
|
| |
#if SUP_ENABLE == KQ_SUPPORT |
| |
kevent(r->root_kq, chg, 1, NULL, 0, &timeout); |
| |
#elif SUP_ENABLE == EP_SUPPORT |
| |
epoll_ctl(r->root_kq, ee.events ? EPOLL_CTL_MOD : EPOLL_CTL_DEL, ee.data.fd, &ee); |
| |
#endif |
| return NULL; |
return NULL; |
| } |
} |
| |
|
| |
#ifdef HAVE_LIBPTHREAD |
| /* |
/* |
| |
* sched_hook_thread() - Default THREAD hook |
| |
* |
| |
* @task = current task |
| |
* @arg = pthread attributes |
| |
* return: <0 errors and 0 ok |
| |
*/ |
| |
void * |
| |
sched_hook_thread(void *task, void *arg) |
| |
{ |
| |
sched_task_t *t = task; |
| |
pthread_t tid; |
| |
sigset_t s, o; |
| |
|
| |
if (!t || !TASK_ROOT(t)) |
| |
return (void*) -1; |
| |
|
| |
sigfillset(&s); |
| |
pthread_sigmask(SIG_BLOCK, &s, &o); |
| |
errno = pthread_create(&tid, (pthread_attr_t*) arg, |
| |
(void *(*)(void*)) _sched_threadWrapper, t); |
| |
pthread_sigmask(SIG_SETMASK, &o, NULL); |
| |
|
| |
if (errno) { |
| |
LOGERR; |
| |
return (void*) -1; |
| |
} else |
| |
TASK_VAL(t) = (u_long) tid; |
| |
|
| |
if (!TASK_ISLOCKED(t)) |
| |
TASK_LOCK(t); |
| |
|
| |
return NULL; |
| |
} |
| |
#endif |
| |
|
| |
/* |
| * sched_hook_read() - Default READ hook |
* sched_hook_read() - Default READ hook |
| * |
* |
| * @task = current task |
* @task = current task |
|
Line 146 void *
|
Line 546 void *
|
| sched_hook_read(void *task, void *arg __unused) |
sched_hook_read(void *task, void *arg __unused) |
| { |
{ |
| sched_task_t *t = task; |
sched_task_t *t = task; |
| |
sched_root_task_t *r = NULL; |
| |
#if SUP_ENABLE == KQ_SUPPORT |
| struct kevent chg[1]; |
struct kevent chg[1]; |
| struct timespec timeout = { 0, 0 }; |
struct timespec timeout = { 0, 0 }; |
| |
#elif SUP_ENABLE == EP_SUPPORT |
| |
struct epoll_event ee = { .events = EPOLLIN | EPOLLPRI | EPOLLRDHUP, .data.fd = 0 }; |
| |
int flg = 0; |
| |
#endif |
| |
|
| if (!t || !TASK_ROOT(t)) |
if (!t || !TASK_ROOT(t)) |
| return (void*) -1; |
return (void*) -1; |
| |
else |
| |
r = TASK_ROOT(t); |
| |
|
| |
#if SUP_ENABLE == KQ_SUPPORT |
| #ifdef __NetBSD__ |
#ifdef __NetBSD__ |
| EV_SET(&chg[0], TASK_FD(t), EVFILT_READ, EV_ADD, 0, 0, (intptr_t) TASK_FD(t)); | EV_SET(&chg[0], TASK_FD(t), EVFILT_READ, EV_ADD | EV_CLEAR, 0, 0, (intptr_t) TASK_FD(t)); |
| #else |
#else |
| EV_SET(&chg[0], TASK_FD(t), EVFILT_READ, EV_ADD, 0, 0, (void*) TASK_FD(t)); | EV_SET(&chg[0], TASK_FD(t), EVFILT_READ, EV_ADD | EV_CLEAR, 0, 0, (void*) TASK_FD(t)); |
| #endif |
#endif |
| |
if (kevent(r->root_kq, chg, 1, NULL, 0, &timeout) == -1) { |
| |
if (r->root_hooks.hook_exec.exception) |
| |
r->root_hooks.hook_exec.exception(r, NULL); |
| |
else |
| |
LOGERR; |
| |
return (void*) -1; |
| |
} |
| |
#elif SUP_ENABLE == EP_SUPPORT |
| |
if (FD_ISSET(TASK_FD(t), &r->root_fds[0])) |
| |
flg |= 1; |
| |
if (FD_ISSET(TASK_FD(t), &r->root_fds[1])) { |
| |
flg |= 2; |
| |
ee.events |= EPOLLOUT; |
| |
} |
| |
|
| |
ee.data.fd = TASK_FD(t); |
| |
if (epoll_ctl(r->root_kq, flg ? EPOLL_CTL_MOD : EPOLL_CTL_ADD, TASK_FD(t), &ee) == -1) { |
| |
if (r->root_hooks.hook_exec.exception) |
| |
r->root_hooks.hook_exec.exception(r, NULL); |
| |
else |
| |
LOGERR; |
| |
return (void*) -1; |
| |
} else |
| |
FD_SET(TASK_FD(t), &r->root_fds[0]); |
| |
#else |
| |
FD_SET(TASK_FD(t), &r->root_fds[0]); |
| |
if (TASK_FD(t) >= r->root_kq) |
| |
r->root_kq = TASK_FD(t) + 1; |
| |
#endif |
| |
|
| |
return NULL; |
| |
} |
| |
|
| |
/* |
| |
* sched_hook_write() - Default WRITE hook |
| |
* |
| |
* @task = current task |
| |
* @arg = unused |
| |
* return: <0 errors and 0 ok |
| |
*/ |
| |
void * |
| |
sched_hook_write(void *task, void *arg __unused) |
| |
{ |
| |
sched_task_t *t = task; |
| |
sched_root_task_t *r = NULL; |
| |
#if SUP_ENABLE == KQ_SUPPORT |
| |
struct kevent chg[1]; |
| |
struct timespec timeout = { 0, 0 }; |
| |
#elif SUP_ENABLE == EP_SUPPORT |
| |
struct epoll_event ee = { .events = EPOLLOUT, .data.fd = 0 }; |
| |
int flg = 0; |
| |
#endif |
| |
|
| |
if (!t || !TASK_ROOT(t)) |
| |
return (void*) -1; |
| |
else |
| |
r = TASK_ROOT(t); |
| |
|
| |
#if SUP_ENABLE == KQ_SUPPORT |
| |
#ifdef __NetBSD__ |
| |
EV_SET(&chg[0], TASK_FD(t), EVFILT_WRITE, EV_ADD | EV_CLEAR, 0, 0, (intptr_t) TASK_FD(t)); |
| |
#else |
| |
EV_SET(&chg[0], TASK_FD(t), EVFILT_WRITE, EV_ADD | EV_CLEAR, 0, 0, (void*) TASK_FD(t)); |
| |
#endif |
| |
if (kevent(r->root_kq, chg, 1, NULL, 0, &timeout) == -1) { |
| |
if (r->root_hooks.hook_exec.exception) |
| |
r->root_hooks.hook_exec.exception(r, NULL); |
| |
else |
| |
LOGERR; |
| |
return (void*) -1; |
| |
} |
| |
#elif SUP_ENABLE == EP_SUPPORT |
| |
if (FD_ISSET(TASK_FD(t), &r->root_fds[0])) { |
| |
flg |= 1; |
| |
ee.events |= EPOLLIN | EPOLLPRI | EPOLLRDHUP; |
| |
} |
| |
if (FD_ISSET(TASK_FD(t), &r->root_fds[1])) |
| |
flg |= 2; |
| |
|
| |
ee.data.fd = TASK_FD(t); |
| |
if (epoll_ctl(r->root_kq, flg ? EPOLL_CTL_MOD : EPOLL_CTL_ADD, TASK_FD(t), &ee) == -1) { |
| |
if (r->root_hooks.hook_exec.exception) |
| |
r->root_hooks.hook_exec.exception(r, NULL); |
| |
else |
| |
LOGERR; |
| |
return (void*) -1; |
| |
} else |
| |
FD_SET(TASK_FD(t), &r->root_fds[1]); |
| |
#else |
| |
FD_SET(TASK_FD(t), &r->root_fds[1]); |
| |
if (TASK_FD(t) >= r->root_kq) |
| |
r->root_kq = TASK_FD(t) + 1; |
| |
#endif |
| |
|
| |
return NULL; |
| |
} |
| |
|
| |
/* |
| |
* sched_hook_alarm() - Default ALARM hook |
| |
* |
| |
* @task = current task |
| |
* @arg = unused |
| |
* return: <0 errors and 0 ok |
| |
*/ |
| |
void * |
| |
sched_hook_alarm(void *task, void *arg __unused) |
| |
{ |
| |
#if SUP_ENABLE == KQ_SUPPORT |
| |
sched_task_t *t = task; |
| |
struct kevent chg[1]; |
| |
struct timespec timeout = { 0, 0 }; |
| |
|
| |
if (!t || !TASK_ROOT(t)) |
| |
return (void*) -1; |
| |
|
| |
#ifdef __NetBSD__ |
| |
EV_SET(&chg[0], (uintptr_t) TASK_DATA(t), EVFILT_TIMER, EV_ADD | EV_CLEAR, 0, |
| |
t->task_val.ts.tv_sec * 1000 + t->task_val.ts.tv_nsec / 1000000, |
| |
(intptr_t) TASK_DATA(t)); |
| |
#else |
| |
EV_SET(&chg[0], (uintptr_t) TASK_DATA(t), EVFILT_TIMER, EV_ADD | EV_CLEAR, 0, |
| |
t->task_val.ts.tv_sec * 1000 + t->task_val.ts.tv_nsec / 1000000, |
| |
(void*) TASK_DATA(t)); |
| |
#endif |
| if (kevent(TASK_ROOT(t)->root_kq, chg, 1, NULL, 0, &timeout) == -1) { |
if (kevent(TASK_ROOT(t)->root_kq, chg, 1, NULL, 0, &timeout) == -1) { |
| if (TASK_ROOT(t)->root_hooks.hook_exec.exception) |
if (TASK_ROOT(t)->root_hooks.hook_exec.exception) |
| TASK_ROOT(t)->root_hooks.hook_exec.exception(TASK_ROOT(t), NULL); |
TASK_ROOT(t)->root_hooks.hook_exec.exception(TASK_ROOT(t), NULL); |
|
Line 165 sched_hook_read(void *task, void *arg __unused)
|
Line 698 sched_hook_read(void *task, void *arg __unused)
|
| return (void*) -1; |
return (void*) -1; |
| } |
} |
| |
|
| |
#endif |
| return NULL; |
return NULL; |
| } |
} |
| |
|
| /* |
/* |
| * sched_hook_write() - Default WRITE hook | * sched_hook_node() - Default NODE hook |
| * |
* |
| * @task = current task |
* @task = current task |
| * @arg = unused |
* @arg = unused |
| * return: <0 errors and 0 ok |
* return: <0 errors and 0 ok |
| */ |
*/ |
| void * |
void * |
| sched_hook_write(void *task, void *arg __unused) | sched_hook_node(void *task, void *arg __unused) |
| { |
{ |
| |
#if SUP_ENABLE == KQ_SUPPORT |
| sched_task_t *t = task; |
sched_task_t *t = task; |
| struct kevent chg[1]; |
struct kevent chg[1]; |
| struct timespec timeout = { 0, 0 }; |
struct timespec timeout = { 0, 0 }; |
|
Line 186 sched_hook_write(void *task, void *arg __unused)
|
Line 721 sched_hook_write(void *task, void *arg __unused)
|
| return (void*) -1; |
return (void*) -1; |
| |
|
| #ifdef __NetBSD__ |
#ifdef __NetBSD__ |
| EV_SET(&chg[0], TASK_FD(t), EVFILT_WRITE, EV_ADD, 0, 0, (intptr_t) TASK_FD(t)); | EV_SET(&chg[0], TASK_FD(t), EVFILT_VNODE, EV_ADD | EV_CLEAR, |
| | NOTE_DELETE | NOTE_WRITE | NOTE_EXTEND | NOTE_ATTRIB | |
| | NOTE_LINK | NOTE_RENAME | NOTE_REVOKE, 0, (intptr_t) TASK_FD(t)); |
| #else |
#else |
| EV_SET(&chg[0], TASK_FD(t), EVFILT_WRITE, EV_ADD, 0, 0, (void*) TASK_FD(t)); | EV_SET(&chg[0], TASK_FD(t), EVFILT_VNODE, EV_ADD | EV_CLEAR, |
| | NOTE_DELETE | NOTE_WRITE | NOTE_EXTEND | NOTE_ATTRIB | |
| | NOTE_LINK | NOTE_RENAME | NOTE_REVOKE, 0, (void*) TASK_FD(t)); |
| #endif |
#endif |
| if (kevent(TASK_ROOT(t)->root_kq, chg, 1, NULL, 0, &timeout) == -1) { |
if (kevent(TASK_ROOT(t)->root_kq, chg, 1, NULL, 0, &timeout) == -1) { |
| if (TASK_ROOT(t)->root_hooks.hook_exec.exception) |
if (TASK_ROOT(t)->root_hooks.hook_exec.exception) |
|
Line 198 sched_hook_write(void *task, void *arg __unused)
|
Line 737 sched_hook_write(void *task, void *arg __unused)
|
| return (void*) -1; |
return (void*) -1; |
| } |
} |
| |
|
| |
#endif |
| return NULL; |
return NULL; |
| } |
} |
| |
|
| /* |
/* |
| |
* sched_hook_proc() - Default PROC hook |
| |
* |
| |
* @task = current task |
| |
* @arg = unused |
| |
* return: <0 errors and 0 ok |
| |
*/ |
| |
void * |
| |
sched_hook_proc(void *task, void *arg __unused) |
| |
{ |
| |
#if SUP_ENABLE == KQ_SUPPORT |
| |
sched_task_t *t = task; |
| |
struct kevent chg[1]; |
| |
struct timespec timeout = { 0, 0 }; |
| |
|
| |
if (!t || !TASK_ROOT(t)) |
| |
return (void*) -1; |
| |
|
| |
#ifdef __NetBSD__ |
| |
EV_SET(&chg[0], TASK_VAL(t), EVFILT_PROC, EV_ADD | EV_CLEAR, |
| |
NOTE_EXIT | NOTE_FORK | NOTE_EXEC | NOTE_TRACK, 0, (intptr_t) TASK_VAL(t)); |
| |
#else |
| |
EV_SET(&chg[0], TASK_VAL(t), EVFILT_PROC, EV_ADD | EV_CLEAR, |
| |
NOTE_EXIT | NOTE_FORK | NOTE_EXEC | NOTE_TRACK, 0, (void*) TASK_VAL(t)); |
| |
#endif |
| |
if (kevent(TASK_ROOT(t)->root_kq, chg, 1, NULL, 0, &timeout) == -1) { |
| |
if (TASK_ROOT(t)->root_hooks.hook_exec.exception) |
| |
TASK_ROOT(t)->root_hooks.hook_exec.exception(TASK_ROOT(t), NULL); |
| |
else |
| |
LOGERR; |
| |
return (void*) -1; |
| |
} |
| |
|
| |
#endif |
| |
return NULL; |
| |
} |
| |
|
| |
/* |
| |
* sched_hook_signal() - Default SIGNAL hook |
| |
* |
| |
* @task = current task |
| |
* @arg = unused |
| |
* return: <0 errors and 0 ok |
| |
*/ |
| |
void * |
| |
sched_hook_signal(void *task, void *arg __unused) |
| |
{ |
| |
#if SUP_ENABLE == KQ_SUPPORT |
| |
sched_task_t *t = task; |
| |
struct kevent chg[1]; |
| |
struct timespec timeout = { 0, 0 }; |
| |
|
| |
if (!t || !TASK_ROOT(t)) |
| |
return (void*) -1; |
| |
|
| |
/* ignore signal */ |
| |
signal(TASK_VAL(t), SIG_IGN); |
| |
|
| |
#ifdef __NetBSD__ |
| |
EV_SET(&chg[0], TASK_VAL(t), EVFILT_SIGNAL, EV_ADD | EV_CLEAR, 0, 0, (intptr_t) TASK_VAL(t)); |
| |
#else |
| |
EV_SET(&chg[0], TASK_VAL(t), EVFILT_SIGNAL, EV_ADD | EV_CLEAR, 0, 0, (void*) TASK_VAL(t)); |
| |
#endif |
| |
if (kevent(TASK_ROOT(t)->root_kq, chg, 1, NULL, 0, &timeout) == -1) { |
| |
if (TASK_ROOT(t)->root_hooks.hook_exec.exception) |
| |
TASK_ROOT(t)->root_hooks.hook_exec.exception(TASK_ROOT(t), NULL); |
| |
else |
| |
LOGERR; |
| |
return (void*) -1; |
| |
} |
| |
#endif |
| |
return NULL; |
| |
} |
| |
|
| |
/* |
| |
* sched_hook_user() - Default USER hook |
| |
* |
| |
* @task = current task |
| |
* @arg = unused |
| |
* return: <0 errors and 0 ok |
| |
*/ |
| |
#ifdef EVFILT_USER |
| |
void * |
| |
sched_hook_user(void *task, void *arg __unused) |
| |
{ |
| |
#if SUP_ENABLE == KQ_SUPPORT |
| |
sched_task_t *t = task; |
| |
struct kevent chg[1]; |
| |
struct timespec timeout = { 0, 0 }; |
| |
|
| |
if (!t || !TASK_ROOT(t)) |
| |
return (void*) -1; |
| |
|
| |
#ifdef __NetBSD__ |
| |
EV_SET(&chg[0], TASK_VAL(t), EVFILT_USER, EV_ADD | EV_CLEAR, TASK_DATLEN(t), |
| |
0, (intptr_t) TASK_VAL(t)); |
| |
#else |
| |
EV_SET(&chg[0], TASK_VAL(t), EVFILT_USER, EV_ADD | EV_CLEAR, TASK_DATLEN(t), |
| |
0, (void*) TASK_VAL(t)); |
| |
#endif |
| |
if (kevent(TASK_ROOT(t)->root_kq, chg, 1, NULL, 0, &timeout) == -1) { |
| |
if (TASK_ROOT(t)->root_hooks.hook_exec.exception) |
| |
TASK_ROOT(t)->root_hooks.hook_exec.exception(TASK_ROOT(t), NULL); |
| |
else |
| |
LOGERR; |
| |
return (void*) -1; |
| |
} |
| |
|
| |
#endif |
| |
return NULL; |
| |
} |
| |
#endif |
| |
|
| |
#if SUP_ENABLE == KQ_SUPPORT |
| |
static inline void |
| |
fetch_hook_kevent_proceed(int en, struct kevent *res, sched_root_task_t *r) |
| |
{ |
| |
struct kevent evt[1]; |
| |
register int i, flg; |
| |
sched_task_t *task, *tmp; |
| |
struct timespec now = { 0, 0 }; |
| |
#ifdef AIO_SUPPORT |
| |
int len, fd; |
| |
struct aiocb *acb; |
| |
#ifdef EVFILT_LIO |
| |
int l; |
| |
register int j; |
| |
off_t off; |
| |
struct aiocb **acbs; |
| |
struct iovec *iv; |
| |
#endif /* EVFILT_LIO */ |
| |
#endif /* AIO_SUPPORT */ |
| |
|
| |
for (i = 0; i < en; i++) { |
| |
memcpy(evt, &res[i], sizeof evt); |
| |
evt->flags = EV_DELETE; |
| |
/* Put read/write task to ready queue */ |
| |
switch (res[i].filter) { |
| |
case EVFILT_READ: |
| |
flg = 0; |
| |
TAILQ_FOREACH_SAFE(task, &r->root_read, task_node, tmp) { |
| |
if (TASK_FD(task) != ((intptr_t) res[i].udata)) |
| |
continue; |
| |
else { |
| |
flg++; |
| |
TASK_RET(task) = res[i].data; |
| |
TASK_FLAG(task) = (u_long) res[i].fflags; |
| |
} |
| |
/* remove read handle */ |
| |
remove_task_from(task, &r->root_read); |
| |
|
| |
if (r->root_hooks.hook_exec.exception && res[i].flags & EV_EOF) { |
| |
if (r->root_hooks.hook_exec.exception(r, (void*) EV_EOF)) { |
| |
task->task_type = taskUNUSE; |
| |
insert_task_to(task, &r->root_unuse); |
| |
} else { |
| |
task->task_type = taskREADY; |
| |
insert_task_to(task, &r->root_ready); |
| |
} |
| |
} else { |
| |
task->task_type = taskREADY; |
| |
insert_task_to(task, &r->root_ready); |
| |
} |
| |
} |
| |
/* if match at least 2, don't remove resouce of event */ |
| |
if (flg > 1) |
| |
evt->flags ^= evt->flags; |
| |
break; |
| |
case EVFILT_WRITE: |
| |
flg = 0; |
| |
TAILQ_FOREACH_SAFE(task, &r->root_write, task_node, tmp) { |
| |
if (TASK_FD(task) != ((intptr_t) res[i].udata)) |
| |
continue; |
| |
else { |
| |
flg++; |
| |
TASK_RET(task) = res[i].data; |
| |
TASK_FLAG(task) = (u_long) res[i].fflags; |
| |
} |
| |
/* remove write handle */ |
| |
remove_task_from(task, &r->root_write); |
| |
|
| |
if (r->root_hooks.hook_exec.exception && res[i].flags & EV_EOF) { |
| |
if (r->root_hooks.hook_exec.exception(r, (void*) EV_EOF)) { |
| |
task->task_type = taskUNUSE; |
| |
insert_task_to(task, &r->root_unuse); |
| |
} else { |
| |
task->task_type = taskREADY; |
| |
insert_task_to(task, &r->root_ready); |
| |
} |
| |
} else { |
| |
task->task_type = taskREADY; |
| |
insert_task_to(task, &r->root_ready); |
| |
} |
| |
} |
| |
/* if match at least 2, don't remove resouce of event */ |
| |
if (flg > 1) |
| |
evt->flags ^= evt->flags; |
| |
break; |
| |
case EVFILT_TIMER: |
| |
flg = 0; |
| |
TAILQ_FOREACH_SAFE(task, &r->root_alarm, task_node, tmp) { |
| |
if ((uintptr_t) TASK_DATA(task) != ((uintptr_t) res[i].udata)) |
| |
continue; |
| |
else { |
| |
flg++; |
| |
TASK_RET(task) = res[i].data; |
| |
TASK_FLAG(task) = (u_long) res[i].fflags; |
| |
} |
| |
/* remove alarm handle */ |
| |
transit_task2ready(task, &r->root_alarm); |
| |
} |
| |
/* if match at least 2, don't remove resouce of event */ |
| |
if (flg > 1) |
| |
evt->flags ^= evt->flags; |
| |
break; |
| |
case EVFILT_VNODE: |
| |
flg = 0; |
| |
TAILQ_FOREACH_SAFE(task, &r->root_node, task_node, tmp) { |
| |
if (TASK_FD(task) != ((intptr_t) res[i].udata)) |
| |
continue; |
| |
else { |
| |
flg++; |
| |
TASK_RET(task) = res[i].data; |
| |
TASK_FLAG(task) = (u_long) res[i].fflags; |
| |
} |
| |
/* remove node handle */ |
| |
transit_task2ready(task, &r->root_node); |
| |
} |
| |
/* if match at least 2, don't remove resouce of event */ |
| |
if (flg > 1) |
| |
evt->flags ^= evt->flags; |
| |
break; |
| |
case EVFILT_PROC: |
| |
flg = 0; |
| |
TAILQ_FOREACH_SAFE(task, &r->root_proc, task_node, tmp) { |
| |
if (TASK_VAL(task) != ((uintptr_t) res[i].udata)) |
| |
continue; |
| |
else { |
| |
flg++; |
| |
TASK_RET(task) = res[i].data; |
| |
TASK_FLAG(task) = (u_long) res[i].fflags; |
| |
} |
| |
/* remove proc handle */ |
| |
transit_task2ready(task, &r->root_proc); |
| |
} |
| |
/* if match at least 2, don't remove resouce of event */ |
| |
if (flg > 1) |
| |
evt->flags ^= evt->flags; |
| |
break; |
| |
case EVFILT_SIGNAL: |
| |
flg = 0; |
| |
TAILQ_FOREACH_SAFE(task, &r->root_signal, task_node, tmp) { |
| |
if (TASK_VAL(task) != ((uintptr_t) res[i].udata)) |
| |
continue; |
| |
else { |
| |
flg++; |
| |
TASK_RET(task) = res[i].data; |
| |
TASK_FLAG(task) = (u_long) res[i].fflags; |
| |
} |
| |
/* remove signal handle */ |
| |
transit_task2ready(task, &r->root_signal); |
| |
} |
| |
/* if match at least 2, don't remove resouce of event */ |
| |
if (flg > 1) |
| |
evt->flags ^= evt->flags; |
| |
break; |
| |
#ifdef AIO_SUPPORT |
| |
case EVFILT_AIO: |
| |
flg = 0; |
| |
TAILQ_FOREACH_SAFE(task, &r->root_aio, task_node, tmp) { |
| |
acb = (struct aiocb*) TASK_VAL(task); |
| |
if (acb != ((struct aiocb*) res[i].udata)) |
| |
continue; |
| |
else { |
| |
flg++; |
| |
TASK_RET(task) = res[i].data; |
| |
TASK_FLAG(task) = (u_long) res[i].fflags; |
| |
} |
| |
/* remove user handle */ |
| |
transit_task2ready(task, &r->root_aio); |
| |
|
| |
fd = acb->aio_fildes; |
| |
if ((len = aio_return(acb)) != -1) { |
| |
if (lseek(fd, acb->aio_offset + len, SEEK_CUR) == -1) |
| |
LOGERR; |
| |
} else |
| |
LOGERR; |
| |
free(acb); |
| |
TASK_DATLEN(task) = (u_long) len; |
| |
TASK_FD(task) = fd; |
| |
} |
| |
/* if match at least 2, don't remove resouce of event */ |
| |
if (flg > 1) |
| |
evt->flags ^= evt->flags; |
| |
break; |
| |
#ifdef EVFILT_LIO |
| |
case EVFILT_LIO: |
| |
flg = 0; |
| |
TAILQ_FOREACH_SAFE(task, &r->root_lio, task_node, tmp) { |
| |
acbs = (struct aiocb**) TASK_VAL(task); |
| |
if (acbs != ((struct aiocb**) res[i].udata)) |
| |
continue; |
| |
else { |
| |
flg++; |
| |
TASK_RET(task) = res[i].data; |
| |
TASK_FLAG(task) = (u_long) res[i].fflags; |
| |
} |
| |
/* remove user handle */ |
| |
transit_task2ready(task, &r->root_lio); |
| |
|
| |
iv = (struct iovec*) TASK_DATA(task); |
| |
fd = acbs[0]->aio_fildes; |
| |
off = acbs[0]->aio_offset; |
| |
for (j = len = 0; i < TASK_DATLEN(task); len += l, i++) { |
| |
if ((iv[i].iov_len = aio_return(acbs[i])) == -1) |
| |
l = 0; |
| |
else |
| |
l = iv[i].iov_len; |
| |
free(acbs[i]); |
| |
} |
| |
free(acbs); |
| |
TASK_DATLEN(task) = (u_long) len; |
| |
TASK_FD(task) = fd; |
| |
|
| |
if (lseek(fd, off + len, SEEK_CUR) == -1) |
| |
LOGERR; |
| |
} |
| |
/* if match at least 2, don't remove resouce of event */ |
| |
if (flg > 1) |
| |
evt->flags ^= evt->flags; |
| |
break; |
| |
#endif /* EVFILT_LIO */ |
| |
#endif /* AIO_SUPPORT */ |
| |
#ifdef EVFILT_USER |
| |
case EVFILT_USER: |
| |
flg = 0; |
| |
TAILQ_FOREACH_SAFE(task, &r->root_user, task_node, tmp) { |
| |
if (TASK_VAL(task) != ((uintptr_t) res[i].udata)) |
| |
continue; |
| |
else { |
| |
flg++; |
| |
TASK_RET(task) = res[i].data; |
| |
TASK_FLAG(task) = (u_long) res[i].fflags; |
| |
} |
| |
/* remove user handle */ |
| |
transit_task2ready(task, &r->root_user); |
| |
} |
| |
/* if match at least 2, don't remove resouce of event */ |
| |
if (flg > 1) |
| |
evt->flags ^= evt->flags; |
| |
break; |
| |
#endif /* EVFILT_USER */ |
| |
} |
| |
|
| |
if (kevent(r->root_kq, evt, 1, NULL, 0, &now) == -1) { |
| |
if (r->root_hooks.hook_exec.exception) |
| |
r->root_hooks.hook_exec.exception(r, NULL); |
| |
else |
| |
LOGERR; |
| |
} |
| |
} |
| |
} |
| |
#endif |
| |
|
| |
#if SUP_ENABLE == EP_SUPPORT |
| |
static inline void |
| |
fetch_hook_epoll_proceed(int en, struct epoll_event *res, sched_root_task_t *r) |
| |
{ |
| |
register int i, flg; |
| |
int ops = EPOLL_CTL_DEL; |
| |
sched_task_t *task, *tmp; |
| |
struct epoll_event evt[1]; |
| |
|
| |
for (i = 0; i < en; i++) { |
| |
memcpy(evt, &res[i], sizeof evt); |
| |
|
| |
if (evt->events & (EPOLLIN | EPOLLPRI | EPOLLET)) { |
| |
flg = 0; |
| |
TAILQ_FOREACH_SAFE(task, &r->root_read, task_node, tmp) { |
| |
if (TASK_FD(task) != evt->data.fd) |
| |
continue; |
| |
else { |
| |
flg++; |
| |
FD_CLR(TASK_FD(task), &r->root_fds[0]); |
| |
TASK_FLAG(task) = ioctl(TASK_FD(task), FIONREAD, &TASK_RET(task)); |
| |
|
| |
evt->events &= ~(EPOLLIN | EPOLLPRI | EPOLLET | EPOLLRDHUP); |
| |
if (FD_ISSET(TASK_FD(task), &r->root_fds[1])) { |
| |
ops = EPOLL_CTL_MOD; |
| |
evt->events |= EPOLLOUT; |
| |
} |
| |
} |
| |
/* remove read handle */ |
| |
remove_task_from(task, &r->root_read); |
| |
|
| |
if (r->root_hooks.hook_exec.exception && evt->events & (EPOLLRDHUP | EPOLLERR | EPOLLHUP)) { |
| |
if (r->root_hooks.hook_exec.exception(r, (void*) (intptr_t) |
| |
(evt->events & EPOLLERR ? EV_ERROR | EV_EOF : EV_EOF))) { |
| |
task->task_type = taskUNUSE; |
| |
insert_task_to(task, &r->root_unuse); |
| |
} else { |
| |
task->task_type = taskREADY; |
| |
insert_task_to(task, &r->root_ready); |
| |
} |
| |
} else { |
| |
task->task_type = taskREADY; |
| |
insert_task_to(task, &r->root_ready); |
| |
} |
| |
} |
| |
if (flg > 1) |
| |
ops = EPOLL_CTL_MOD; |
| |
} |
| |
|
| |
if (evt->events & EPOLLOUT) { |
| |
flg = 0; |
| |
TAILQ_FOREACH_SAFE(task, &r->root_write, task_node, tmp) { |
| |
if (TASK_FD(task) != evt->data.fd) |
| |
continue; |
| |
else { |
| |
flg++; |
| |
FD_CLR(TASK_FD(task), &r->root_fds[1]); |
| |
TASK_FLAG(task) = ioctl(TASK_FD(task), |
| |
FIONWRITE, &TASK_RET(task)); |
| |
|
| |
evt->events &= ~EPOLLOUT; |
| |
if (FD_ISSET(TASK_FD(task), &r->root_fds[0])) { |
| |
ops = EPOLL_CTL_MOD; |
| |
evt->events |= EPOLLIN | EPOLLPRI | EPOLLRDHUP; |
| |
} |
| |
} |
| |
/* remove write handle */ |
| |
remove_task_from(task, &r->root_write); |
| |
|
| |
if (r->root_hooks.hook_exec.exception && evt->events & (EPOLLERR | EPOLLHUP)) { |
| |
if (r->root_hooks.hook_exec.exception(r, (void*) (intptr_t) |
| |
(evt->events & EPOLLERR ? EV_ERROR | EV_EOF : EV_EOF))) { |
| |
task->task_type = taskUNUSE; |
| |
insert_task_to(task, &r->root_unuse); |
| |
} else { |
| |
task->task_type = taskREADY; |
| |
insert_task_to(task, &r->root_ready); |
| |
} |
| |
} else { |
| |
task->task_type = taskREADY; |
| |
insert_task_to(task, &r->root_ready); |
| |
} |
| |
} |
| |
if (flg > 1) |
| |
ops = EPOLL_CTL_MOD; |
| |
} |
| |
|
| |
if (epoll_ctl(r->root_kq, ops, evt->data.fd, evt) == -1) { |
| |
if (r->root_hooks.hook_exec.exception) { |
| |
r->root_hooks.hook_exec.exception(r, NULL); |
| |
} else |
| |
LOGERR; |
| |
} |
| |
} |
| |
} |
| |
#endif |
| |
|
| |
#if SUP_ENABLE == NO_SUPPORT |
| |
static inline void |
| |
fetch_hook_select_proceed(int en, fd_set rfd, fd_set wfd, fd_set xfd, sched_root_task_t *r) |
| |
{ |
| |
register int i, flg; |
| |
sched_task_t *task, *tmp; |
| |
|
| |
/* skip select check if return value from select is zero */ |
| |
if (!en) |
| |
return; |
| |
|
| |
for (i = 0; i < r->root_kq; i++) { |
| |
if (FD_ISSET(i, &rfd) || FD_ISSET(i, &xfd)) { |
| |
flg = 0; |
| |
TAILQ_FOREACH_SAFE(task, &r->root_read, task_node, tmp) { |
| |
if (TASK_FD(task) != i) |
| |
continue; |
| |
else { |
| |
flg++; |
| |
TASK_FLAG(task) = ioctl(TASK_FD(task), |
| |
FIONREAD, &TASK_RET(task)); |
| |
} |
| |
/* remove read handle */ |
| |
remove_task_from(task, &r->root_read); |
| |
|
| |
if (r->root_hooks.hook_exec.exception) { |
| |
if (r->root_hooks.hook_exec.exception(r, NULL)) { |
| |
task->task_type = taskUNUSE; |
| |
insert_task_to(task, &r->root_unuse); |
| |
} else { |
| |
task->task_type = taskREADY; |
| |
insert_task_to(task, &r->root_ready); |
| |
} |
| |
} else { |
| |
task->task_type = taskREADY; |
| |
insert_task_to(task, &r->root_ready); |
| |
} |
| |
} |
| |
/* if match equal to 1, remove resouce */ |
| |
if (flg == 1) |
| |
FD_CLR(i, &r->root_fds[0]); |
| |
} |
| |
|
| |
if (FD_ISSET(i, &wfd)) { |
| |
flg = 0; |
| |
TAILQ_FOREACH_SAFE(task, &r->root_write, task_node, tmp) { |
| |
if (TASK_FD(task) != i) |
| |
continue; |
| |
else { |
| |
flg++; |
| |
TASK_FLAG(task) = ioctl(TASK_FD(task), |
| |
FIONWRITE, &TASK_RET(task)); |
| |
} |
| |
/* remove write handle */ |
| |
remove_task_from(task, &r->root_write); |
| |
|
| |
if (r->root_hooks.hook_exec.exception) { |
| |
if (r->root_hooks.hook_exec.exception(r, NULL)) { |
| |
task->task_type = taskUNUSE; |
| |
insert_task_to(task, &r->root_unuse); |
| |
} else { |
| |
task->task_type = taskREADY; |
| |
insert_task_to(task, &r->root_ready); |
| |
} |
| |
} else { |
| |
task->task_type = taskREADY; |
| |
insert_task_to(task, &r->root_ready); |
| |
} |
| |
} |
| |
/* if match equal to 1, remove resouce */ |
| |
if (flg == 1) |
| |
FD_CLR(i, &r->root_fds[1]); |
| |
} |
| |
} |
| |
|
| |
/* optimize select */ |
| |
for (i = r->root_kq - 1; i > 2; i--) |
| |
if (FD_ISSET(i, &r->root_fds[0]) || FD_ISSET(i, &r->root_fds[1])) |
| |
break; |
| |
if (i > 2) |
| |
r->root_kq = i + 1; |
| |
} |
| |
#endif |
| |
|
| |
/* |
| * sched_hook_fetch() - Default FETCH hook |
* sched_hook_fetch() - Default FETCH hook |
| * |
* |
| * @root = root task |
* @root = root task |
|
Line 214 sched_hook_fetch(void *root, void *arg __unused)
|
Line 1299 sched_hook_fetch(void *root, void *arg __unused)
|
| sched_root_task_t *r = root; |
sched_root_task_t *r = root; |
| sched_task_t *task, *tmp; |
sched_task_t *task, *tmp; |
| struct timespec now, m, mtmp; |
struct timespec now, m, mtmp; |
| |
#if SUP_ENABLE == KQ_SUPPORT |
| |
struct kevent res[KQ_EVENTS]; |
| struct timespec *timeout; |
struct timespec *timeout; |
| struct kevent evt[1], res[KQ_EVENTS]; | #elif SUP_ENABLE == EP_SUPPORT |
| register int i; | struct epoll_event res[KQ_EVENTS]; |
| | u_long timeout = 0; |
| | #else |
| | struct timeval *timeout, tv; |
| | fd_set rfd, wfd, xfd; |
| | #endif |
| int en; |
int en; |
| |
|
| if (!r) |
if (!r) |
|
Line 224 sched_hook_fetch(void *root, void *arg __unused)
|
Line 1316 sched_hook_fetch(void *root, void *arg __unused)
|
| |
|
| /* get new task by queue priority */ |
/* get new task by queue priority */ |
| while ((task = TAILQ_FIRST(&r->root_event))) { |
while ((task = TAILQ_FIRST(&r->root_event))) { |
| #ifdef HAVE_LIBPTHREAD | transit_task2unuse(task, &r->root_event); |
| pthread_mutex_lock(&r->root_mtx[taskEVENT]); | |
| #endif | |
| TAILQ_REMOVE(&r->root_event, task, task_node); | |
| #ifdef HAVE_LIBPTHREAD | |
| pthread_mutex_unlock(&r->root_mtx[taskEVENT]); | |
| #endif | |
| task->task_type = taskUNUSE; | |
| #ifdef HAVE_LIBPTHREAD | |
| pthread_mutex_lock(&r->root_mtx[taskUNUSE]); | |
| #endif | |
| TAILQ_INSERT_TAIL(&r->root_unuse, task, task_node); | |
| #ifdef HAVE_LIBPTHREAD | |
| pthread_mutex_unlock(&r->root_mtx[taskUNUSE]); | |
| #endif | |
| return task; |
return task; |
| } |
} |
| while ((task = TAILQ_FIRST(&r->root_ready))) { |
while ((task = TAILQ_FIRST(&r->root_ready))) { |
| #ifdef HAVE_LIBPTHREAD | transit_task2unuse(task, &r->root_ready); |
| pthread_mutex_lock(&r->root_mtx[taskREADY]); | |
| #endif | |
| TAILQ_REMOVE(&r->root_ready, task, task_node); | |
| #ifdef HAVE_LIBPTHREAD | |
| pthread_mutex_unlock(&r->root_mtx[taskREADY]); | |
| #endif | |
| task->task_type = taskUNUSE; | |
| #ifdef HAVE_LIBPTHREAD | |
| pthread_mutex_lock(&r->root_mtx[taskUNUSE]); | |
| #endif | |
| TAILQ_INSERT_TAIL(&r->root_unuse, task, task_node); | |
| #ifdef HAVE_LIBPTHREAD | |
| pthread_mutex_unlock(&r->root_mtx[taskUNUSE]); | |
| #endif | |
| return task; |
return task; |
| } |
} |
| |
|
|
Line 279 sched_hook_fetch(void *root, void *arg __unused)
|
Line 1343 sched_hook_fetch(void *root, void *arg __unused)
|
| /* set wait INFTIM */ |
/* set wait INFTIM */ |
| sched_timespecinf(&r->root_wait); |
sched_timespecinf(&r->root_wait); |
| } |
} |
| #else | #else /* ! TIMER_WITHOUT_SORT */ |
| if (!TAILQ_FIRST(&r->root_eventlo) && (task = TAILQ_FIRST(&r->root_timer))) { | if (!TAILQ_FIRST(&r->root_task) && (task = TAILQ_FIRST(&r->root_timer))) { |
| clock_gettime(CLOCK_MONOTONIC, &now); |
clock_gettime(CLOCK_MONOTONIC, &now); |
| |
|
| m = TASK_TS(task); |
m = TASK_TS(task); |
|
Line 290 sched_hook_fetch(void *root, void *arg __unused)
|
Line 1354 sched_hook_fetch(void *root, void *arg __unused)
|
| /* set wait INFTIM */ |
/* set wait INFTIM */ |
| sched_timespecinf(&r->root_wait); |
sched_timespecinf(&r->root_wait); |
| } |
} |
| #endif | #endif /* TIMER_WITHOUT_SORT */ |
| /* if present member of eventLo, set NOWAIT */ | /* if present member of task, set NOWAIT */ |
| if (TAILQ_FIRST(&r->root_eventlo)) | if (TAILQ_FIRST(&r->root_task)) |
| sched_timespecclear(&r->root_wait); |
sched_timespecclear(&r->root_wait); |
| |
|
| if (r->root_wait.tv_sec != -1 && r->root_wait.tv_nsec != -1) | if (r->root_wait.tv_sec != -1 && r->root_wait.tv_nsec != -1) { |
| | #if SUP_ENABLE == KQ_SUPPORT |
| timeout = &r->root_wait; |
timeout = &r->root_wait; |
| else if (sched_timespecisinf(&r->root_poll)) | #elif SUP_ENABLE == EP_SUPPORT |
| | timeout = r->root_wait.tv_sec * 1000 + r->root_wait.tv_nsec / 1000000; |
| | #else |
| | sched_timespec2val(&r->root_wait, &tv); |
| | timeout = &tv; |
| | #endif /* KQ_SUPPORT */ |
| | } else if (sched_timespecisinf(&r->root_poll)) |
| | #if SUP_ENABLE == EP_SUPPORT |
| | timeout = -1; |
| | #else |
| timeout = NULL; |
timeout = NULL; |
| else | #endif |
| | else { |
| | #if SUP_ENABLE == KQ_SUPPORT |
| timeout = &r->root_poll; |
timeout = &r->root_poll; |
| |
#elif SUP_ENABLE == EP_SUPPORT |
| |
timeout = r->root_poll.tv_sec * 1000 + r->root_poll.tv_nsec / 1000000; |
| |
#else |
| |
sched_timespec2val(&r->root_poll, &tv); |
| |
timeout = &tv; |
| |
#endif /* KQ_SUPPORT */ |
| |
} |
| |
|
| |
#if SUP_ENABLE == KQ_SUPPORT |
| 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) { |
| |
#elif SUP_ENABLE == EP_SUPPORT |
| |
if ((en = epoll_wait(r->root_kq, res, KQ_EVENTS, timeout)) == -1) { |
| |
#else |
| |
rfd = xfd = r->root_fds[0]; |
| |
wfd = r->root_fds[1]; |
| |
if ((en = select(r->root_kq, &rfd, &wfd, &xfd, timeout)) == -1) { |
| |
#endif /* KQ_SUPPORT */ |
| 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; |
| } else if (errno != EINTR) |
} else if (errno != EINTR) |
| LOGERR; |
LOGERR; |
| return NULL; | goto skip_event; |
| } |
} |
| |
|
| 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++) { | #if SUP_ENABLE == KQ_SUPPORT |
| memcpy(evt, &res[i], sizeof evt); | /* kevent dispatcher */ |
| evt->flags = EV_DELETE; | fetch_hook_kevent_proceed(en, res, r); |
| /* Put read/write task to ready queue */ | #elif SUP_ENABLE == EP_SUPPORT |
| switch (res[i].filter) { | /* epoll dispatcher */ |
| case EVFILT_READ: | fetch_hook_epoll_proceed(en, res, r); |
| TAILQ_FOREACH_SAFE(task, &r->root_read, task_node, tmp) { | #else |
| if (TASK_FD(task) != ((intptr_t) res[i].udata)) | /* select dispatcher */ |
| continue; | fetch_hook_select_proceed(en, rfd, wfd, xfd, r); |
| /* remove read handle */ | #endif /* KQ_SUPPORT */ |
| #ifdef HAVE_LIBPTHREAD | |
| pthread_mutex_lock(&r->root_mtx[taskREAD]); | |
| #endif | |
| TAILQ_REMOVE(&r->root_read, task, task_node); | |
| #ifdef HAVE_LIBPTHREAD | |
| pthread_mutex_unlock(&r->root_mtx[taskREAD]); | |
| #endif | |
| if (r->root_hooks.hook_exec.exception && res[i].flags & EV_EOF) { | |
| if (r->root_hooks.hook_exec.exception(r, (void*) EV_EOF)) { | |
| task->task_type = taskUNUSE; | |
| #ifdef HAVE_LIBPTHREAD | |
| pthread_mutex_lock(&r->root_mtx[taskUNUSE]); | |
| #endif | |
| TAILQ_INSERT_TAIL(&r->root_unuse, task, task_node); | |
| #ifdef HAVE_LIBPTHREAD | |
| pthread_mutex_unlock(&r->root_mtx[taskUNUSE]); | |
| #endif | |
| } else { | |
| task->task_type = taskREADY; | |
| #ifdef HAVE_LIBPTHREAD | |
| pthread_mutex_lock(&r->root_mtx[taskREADY]); | |
| #endif | |
| TAILQ_INSERT_TAIL(&r->root_ready, task, task_node); | |
| #ifdef HAVE_LIBPTHREAD | |
| pthread_mutex_unlock(&r->root_mtx[taskREADY]); | |
| #endif | |
| } | |
| } else { | |
| task->task_type = taskREADY; | |
| #ifdef HAVE_LIBPTHREAD | |
| pthread_mutex_lock(&r->root_mtx[taskREADY]); | |
| #endif | |
| TAILQ_INSERT_TAIL(&r->root_ready, task, task_node); | |
| #ifdef HAVE_LIBPTHREAD | |
| pthread_mutex_unlock(&r->root_mtx[taskREADY]); | |
| #endif | |
| } | |
| break; | |
| } | |
| break; | |
| case EVFILT_WRITE: | |
| TAILQ_FOREACH_SAFE(task, &r->root_write, task_node, tmp) { | |
| if (TASK_FD(task) != ((intptr_t) res[i].udata)) | |
| continue; | |
| /* remove write handle */ | |
| #ifdef HAVE_LIBPTHREAD | |
| pthread_mutex_lock(&r->root_mtx[taskWRITE]); | |
| #endif | |
| TAILQ_REMOVE(&r->root_write, task, task_node); | |
| #ifdef HAVE_LIBPTHREAD | |
| pthread_mutex_unlock(&r->root_mtx[taskWRITE]); | |
| #endif | |
| if (r->root_hooks.hook_exec.exception && res[i].flags & EV_EOF) { | |
| if (r->root_hooks.hook_exec.exception(r, (void*) EV_EOF)) { | |
| task->task_type = taskUNUSE; | |
| #ifdef HAVE_LIBPTHREAD | |
| pthread_mutex_lock(&r->root_mtx[taskUNUSE]); | |
| #endif | |
| TAILQ_INSERT_TAIL(&r->root_unuse, task, task_node); | |
| #ifdef HAVE_LIBPTHREAD | |
| pthread_mutex_unlock(&r->root_mtx[taskUNUSE]); | |
| #endif | |
| } else { | |
| task->task_type = taskREADY; | |
| #ifdef HAVE_LIBPTHREAD | |
| pthread_mutex_lock(&r->root_mtx[taskREADY]); | |
| #endif | |
| TAILQ_INSERT_TAIL(&r->root_ready, task, task_node); | |
| #ifdef HAVE_LIBPTHREAD | |
| pthread_mutex_unlock(&r->root_mtx[taskREADY]); | |
| #endif | |
| } | |
| } else { | |
| task->task_type = taskREADY; | |
| #ifdef HAVE_LIBPTHREAD | |
| pthread_mutex_lock(&r->root_mtx[taskREADY]); | |
| #endif | |
| TAILQ_INSERT_TAIL(&r->root_ready, task, task_node); | |
| #ifdef HAVE_LIBPTHREAD | |
| pthread_mutex_unlock(&r->root_mtx[taskREADY]); | |
| #endif | |
| } | |
| break; | |
| } | |
| break; | |
| } | |
| 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(r, NULL)) | |
| return NULL; | |
| } else | |
| LOGERR; | |
| } | |
| } | |
| |
|
| |
skip_event: |
| /* timer update & put in ready queue */ |
/* timer update & put in ready queue */ |
| clock_gettime(CLOCK_MONOTONIC, &now); |
clock_gettime(CLOCK_MONOTONIC, &now); |
| |
|
| TAILQ_FOREACH_SAFE(task, &r->root_timer, task_node, tmp) |
TAILQ_FOREACH_SAFE(task, &r->root_timer, task_node, tmp) |
| if (sched_timespeccmp(&now, &TASK_TS(task), -) >= 0) { | if (sched_timespeccmp(&now, &TASK_TS(task), -) >= 0) |
| #ifdef HAVE_LIBPTHREAD | transit_task2ready(task, &r->root_timer); |
| pthread_mutex_lock(&r->root_mtx[taskTIMER]); | |
| #endif | |
| TAILQ_REMOVE(&r->root_timer, task, task_node); | |
| #ifdef HAVE_LIBPTHREAD | |
| pthread_mutex_unlock(&r->root_mtx[taskTIMER]); | |
| #endif | |
| task->task_type = taskREADY; | |
| #ifdef HAVE_LIBPTHREAD | |
| pthread_mutex_lock(&r->root_mtx[taskREADY]); | |
| #endif | |
| TAILQ_INSERT_TAIL(&r->root_ready, task, task_node); | |
| #ifdef HAVE_LIBPTHREAD | |
| pthread_mutex_unlock(&r->root_mtx[taskREADY]); | |
| #endif | |
| } | |
| |
|
| /* put eventlo priority task to ready queue, if there is no ready task or | /* put regular task priority task to ready queue, |
| reach max missed fetch-rotate */ | if there is no ready task or reach max missing hit for regular task */ |
| if ((task = TAILQ_FIRST(&r->root_eventlo))) { | if ((task = TAILQ_FIRST(&r->root_task))) { |
| if (!TAILQ_FIRST(&r->root_ready) || r->root_eventlo_miss > MAX_EVENTLO_MISS) { | if (!TAILQ_FIRST(&r->root_ready) || r->root_miss >= TASK_VAL(task)) { |
| r->root_eventlo_miss = 0; | r->root_miss ^= r->root_miss; |
| |
|
| #ifdef HAVE_LIBPTHREAD | transit_task2ready(task, &r->root_task); |
| pthread_mutex_lock(&r->root_mtx[taskEVENTLO]); | |
| #endif | |
| TAILQ_REMOVE(&r->root_eventlo, task, task_node); | |
| #ifdef HAVE_LIBPTHREAD | |
| pthread_mutex_unlock(&r->root_mtx[taskEVENTLO]); | |
| #endif | |
| task->task_type = taskREADY; | |
| #ifdef HAVE_LIBPTHREAD | |
| pthread_mutex_lock(&r->root_mtx[taskREADY]); | |
| #endif | |
| TAILQ_INSERT_TAIL(&r->root_ready, task, task_node); | |
| #ifdef HAVE_LIBPTHREAD | |
| pthread_mutex_unlock(&r->root_mtx[taskREADY]); | |
| #endif | |
| } else |
} else |
| r->root_eventlo_miss++; | r->root_miss++; |
| } else |
} else |
| r->root_eventlo_miss = 0; | r->root_miss ^= r->root_miss; |
| |
|
| /* OK, lets get ready task !!! */ |
/* OK, lets get ready task !!! */ |
| task = TAILQ_FIRST(&r->root_ready); |
task = TAILQ_FIRST(&r->root_ready); |
| if (!(task)) | if (task) |
| return NULL; | transit_task2unuse(task, &r->root_ready); |
| |
| #ifdef HAVE_LIBPTHREAD | |
| pthread_mutex_lock(&r->root_mtx[taskREADY]); | |
| #endif | |
| TAILQ_REMOVE(&r->root_ready, task, task_node); | |
| #ifdef HAVE_LIBPTHREAD | |
| pthread_mutex_unlock(&r->root_mtx[taskREADY]); | |
| #endif | |
| task->task_type = taskUNUSE; | |
| #ifdef HAVE_LIBPTHREAD | |
| pthread_mutex_lock(&r->root_mtx[taskUNUSE]); | |
| #endif | |
| TAILQ_INSERT_TAIL(&r->root_unuse, task, task_node); | |
| #ifdef HAVE_LIBPTHREAD | |
| pthread_mutex_unlock(&r->root_mtx[taskUNUSE]); | |
| #endif | |
| return task; |
return task; |
| } |
} |
| |
|
|
Line 534 sched_hook_condition(void *root, void *arg)
|
Line 1487 sched_hook_condition(void *root, void *arg)
|
| if (!r) |
if (!r) |
| return NULL; |
return NULL; |
| |
|
| return (void*) (r->root_cond - *(intptr_t*) arg); | return (void*) (*r->root_cond - *(intptr_t*) arg); |
| } |
} |
| |
|
| |
/* |
| |
* sched_hook_rtc() - Default RTC hook |
| |
* |
| |
* @task = current task |
| |
* @arg = unused |
| |
* return: <0 errors and 0 ok |
| |
*/ |
| |
#if defined(HAVE_TIMER_CREATE) && defined(HAVE_TIMER_SETTIME) && defined(HAVE_TIMER_DELETE) |
| |
void * |
| |
sched_hook_rtc(void *task, void *arg __unused) |
| |
{ |
| |
sched_task_t *sigt = NULL, *t = task; |
| |
struct itimerspec its; |
| |
struct sigevent evt; |
| |
timer_t tmr; |
| |
#if SUP_ENABLE != KQ_SUPPORT |
| |
struct sigaction sa; |
| |
#endif |
| |
|
| |
if (!t || !TASK_ROOT(t)) |
| |
return (void*) -1; |
| |
|
| |
memset(&evt, 0, sizeof evt); |
| |
evt.sigev_notify = SIGEV_SIGNAL; |
| |
evt.sigev_signo = (intptr_t) TASK_DATA(t) + SIGRTMIN; |
| |
evt.sigev_value.sival_ptr = t; |
| |
|
| |
if (timer_create(CLOCK_MONOTONIC, &evt, &tmr) == -1) { |
| |
if (TASK_ROOT(t)->root_hooks.hook_exec.exception) |
| |
TASK_ROOT(t)->root_hooks.hook_exec.exception(TASK_ROOT(t), NULL); |
| |
else |
| |
LOGERR; |
| |
return (void*) -1; |
| |
} else |
| |
TASK_FLAG(t) = (u_long) tmr; |
| |
|
| |
#if SUP_ENABLE == KQ_SUPPORT |
| |
if (!(sigt = schedSignal(TASK_ROOT(t), _sched_rtcWrapper, TASK_ARG(t), evt.sigev_signo, |
| |
t, (size_t) tmr))) { |
| |
if (TASK_ROOT(t)->root_hooks.hook_exec.exception) |
| |
TASK_ROOT(t)->root_hooks.hook_exec.exception(TASK_ROOT(t), NULL); |
| |
else |
| |
LOGERR; |
| |
timer_delete(tmr); |
| |
return (void*) -1; |
| |
} else |
| |
TASK_RET(t) = (uintptr_t) sigt; |
| |
#else |
| |
memset(&sa, 0, sizeof sa); |
| |
sigemptyset(&sa.sa_mask); |
| |
sa.sa_sigaction = _sched_rtcSigWrapper; |
| |
sa.sa_flags = SA_SIGINFO | SA_RESTART; |
| |
|
| |
if (sigaction(evt.sigev_signo, &sa, NULL) == -1) { |
| |
if (TASK_ROOT(t)->root_hooks.hook_exec.exception) |
| |
TASK_ROOT(t)->root_hooks.hook_exec.exception(TASK_ROOT(t), NULL); |
| |
else |
| |
LOGERR; |
| |
timer_delete(tmr); |
| |
return (void*) -1; |
| |
} |
| |
#endif |
| |
|
| |
memset(&its, 0, sizeof its); |
| |
its.it_value.tv_sec = t->task_val.ts.tv_sec; |
| |
its.it_value.tv_nsec = t->task_val.ts.tv_nsec; |
| |
|
| |
if (timer_settime(tmr, TIMER_RELTIME, &its, NULL) == -1) { |
| |
if (TASK_ROOT(t)->root_hooks.hook_exec.exception) |
| |
TASK_ROOT(t)->root_hooks.hook_exec.exception(TASK_ROOT(t), NULL); |
| |
else |
| |
LOGERR; |
| |
schedCancel(sigt); |
| |
timer_delete(tmr); |
| |
return (void*) -1; |
| |
} |
| |
|
| |
return NULL; |
| |
} |
| |
#endif /* HAVE_TIMER_CREATE */ |