--- libaitsched/src/hooks.c 2012/05/30 08:52:45 1.7 +++ libaitsched/src/hooks.c 2013/08/26 08:20:55 1.21 @@ -3,7 +3,7 @@ * by Michael Pounov * * $Author: misho $ -* $Id: hooks.c,v 1.7 2012/05/30 08:52:45 misho Exp $ +* $Id: hooks.c,v 1.21 2013/08/26 08:20:55 misho Exp $ * ************************************************************************** The ELWIX and AITNET software is distributed under the following @@ -12,7 +12,7 @@ terms: All of the documentation and software included in the ELWIX and AITNET Releases is copyrighted by ELWIX - Sofia/Bulgaria -Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 +Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 by Michael Pounov . All rights reserved. Redistribution and use in source and binary forms, with or without @@ -107,6 +107,13 @@ sched_hook_cancel(void *task, void *arg __unused) sched_task_t *t = task; struct kevent chg[1]; struct timespec timeout = { 0, 0 }; +#ifdef AIO_SUPPORT + struct aiocb *acb; +#ifdef EVFILT_LIO + register int i = 0; + struct aiocb **acbs; +#endif /* EVFILT_LIO */ +#endif /* AIO_SUPPORT */ if (!t || !TASK_ROOT(t)) return (void*) -1; @@ -118,7 +125,6 @@ sched_hook_cancel(void *task, void *arg __unused) #else EV_SET(&chg[0], TASK_FD(t), EVFILT_READ, EV_DELETE, 0, 0, (void*) TASK_FD(t)); #endif - kevent(TASK_ROOT(t)->root_kq, chg, 1, NULL, 0, &timeout); break; case taskWRITE: #ifdef __NetBSD__ @@ -126,7 +132,6 @@ sched_hook_cancel(void *task, void *arg __unused) #else EV_SET(&chg[0], TASK_FD(t), EVFILT_WRITE, EV_DELETE, 0, 0, (void*) TASK_FD(t)); #endif - kevent(TASK_ROOT(t)->root_kq, chg, 1, NULL, 0, &timeout); break; case taskALARM: #ifdef __NetBSD__ @@ -136,16 +141,130 @@ sched_hook_cancel(void *task, void *arg __unused) EV_SET(&chg[0], (uintptr_t) TASK_DATA(t), EVFILT_TIMER, EV_DELETE, 0, 0, (void*) TASK_DATA(t)); #endif - kevent(TASK_ROOT(t)->root_kq, chg, 1, NULL, 0, &timeout); break; - default: + case taskNODE: +#ifdef __NetBSD__ + EV_SET(&chg[0], TASK_FD(t), EVFILT_VNODE, EV_DELETE, 0, 0, (intptr_t) TASK_FD(t)); +#else + EV_SET(&chg[0], TASK_FD(t), EVFILT_VNODE, EV_DELETE, 0, 0, (void*) TASK_FD(t)); +#endif break; + case taskPROC: +#ifdef __NetBSD__ + EV_SET(&chg[0], TASK_VAL(t), EVFILT_PROC, EV_DELETE, 0, 0, (intptr_t) TASK_VAL(t)); +#else + EV_SET(&chg[0], TASK_VAL(t), EVFILT_PROC, EV_DELETE, 0, 0, (void*) TASK_VAL(t)); +#endif + break; + case taskSIGNAL: +#ifdef __NetBSD__ + EV_SET(&chg[0], TASK_VAL(t), EVFILT_SIGNAL, EV_DELETE, 0, 0, (intptr_t) TASK_VAL(t)); +#else + EV_SET(&chg[0], TASK_VAL(t), EVFILT_SIGNAL, EV_DELETE, 0, 0, (void*) TASK_VAL(t)); +#endif + /* restore signal */ + signal(TASK_VAL(t), SIG_DFL); + break; +#ifdef AIO_SUPPORT + case taskAIO: +#ifdef __NetBSD__ + EV_SET(&chg[0], TASK_VAL(t), EVFILT_AIO, EV_DELETE, 0, 0, (intptr_t) TASK_VAL(t)); +#else + EV_SET(&chg[0], TASK_VAL(t), EVFILT_AIO, EV_DELETE, 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; + } + break; +#ifdef EVFILT_LIO + case taskLIO: +#ifdef __NetBSD__ + EV_SET(&chg[0], TASK_VAL(t), EVFILT_LIO, EV_DELETE, 0, 0, (intptr_t) TASK_VAL(t)); +#else + EV_SET(&chg[0], TASK_VAL(t), EVFILT_LIO, EV_DELETE, 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; + } + break; +#endif /* EVFILT_LIO */ +#endif /* AIO_SUPPORT */ +#ifdef EVFILT_USER + case taskUSER: +#ifdef __NetBSD__ + EV_SET(&chg[0], TASK_VAL(t), EVFILT_USER, EV_DELETE, 0, 0, (intptr_t) TASK_VAL(t)); +#else + EV_SET(&chg[0], TASK_VAL(t), EVFILT_USER, EV_DELETE, 0, 0, (void*) TASK_VAL(t)); +#endif + break; +#endif /* EVFILT_USER */ + case taskTHREAD: +#ifdef HAVE_LIBPTHREAD + pthread_cancel((pthread_t) TASK_VAL(t)); +#endif + return NULL; +#if defined(HAVE_TIMER_CREATE) && defined(HAVE_TIMER_SETTIME) + case taskRTC: + timer_delete((timer_t) TASK_FLAG(t)); + schedCancel((sched_task_t*) TASK_RET(t)); + return NULL; +#endif /* HAVE_TIMER_CREATE */ + default: + return NULL; } + kevent(TASK_ROOT(t)->root_kq, chg, 1, NULL, 0, &timeout); 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); + if ((errno = pthread_create(&tid, (pthread_attr_t*) arg, + (void *(*)(void*)) _sched_threadWrapper, t))) { + LOGERR; + pthread_sigmask(SIG_SETMASK, &o, NULL); + return (void*) -1; + } else + TASK_VAL(t) = (u_long) tid; + + if (!TASK_ISLOCKED(t)) + TASK_LOCK(t); + + pthread_sigmask(SIG_SETMASK, &o, NULL); + return NULL; +} +#endif + +/* * sched_hook_read() - Default READ hook * * @task = current task @@ -163,9 +282,9 @@ sched_hook_read(void *task, void *arg __unused) return (void*) -1; #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 - 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 if (kevent(TASK_ROOT(t)->root_kq, chg, 1, NULL, 0, &timeout) == -1) { if (TASK_ROOT(t)->root_hooks.hook_exec.exception) @@ -196,9 +315,9 @@ sched_hook_write(void *task, void *arg __unused) return (void*) -1; #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_WRITE, EV_ADD | EV_CLEAR, 0, 0, (intptr_t) TASK_FD(t)); #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_WRITE, EV_ADD | EV_CLEAR, 0, 0, (void*) TASK_FD(t)); #endif if (kevent(TASK_ROOT(t)->root_kq, chg, 1, NULL, 0, &timeout) == -1) { if (TASK_ROOT(t)->root_hooks.hook_exec.exception) @@ -229,11 +348,11 @@ sched_hook_alarm(void *task, void *arg __unused) return (void*) -1; #ifdef __NetBSD__ - EV_SET(&chg[0], (uintptr_t) TASK_DATA(t), EVFILT_TIMER, EV_ADD | EV_ONESHOT, 0, + 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_ONESHOT, 0, + 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 @@ -249,6 +368,151 @@ sched_hook_alarm(void *task, void *arg __unused) } /* + * sched_hook_node() - Default NODE hook + * + * @task = current task + * @arg = unused + * return: <0 errors and 0 ok + */ +void * +sched_hook_node(void *task, void *arg __unused) +{ + 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_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 + 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 + 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; + } + + 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) +{ + 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; + } + + 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) +{ + 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; + } + + 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) +{ + 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; + } + + return NULL; +} +#endif + +/* * sched_hook_fetch() - Default FETCH hook * * @root = root task @@ -263,8 +527,19 @@ sched_hook_fetch(void *root, void *arg __unused) struct timespec now, m, mtmp; struct timespec *timeout; struct kevent evt[1], res[KQ_EVENTS]; - register int i; + register int i, flg; int en; +#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 */ if (!r) return NULL; @@ -327,7 +602,7 @@ sched_hook_fetch(void *root, void *arg __unused) sched_timespecinf(&r->root_wait); } #else - 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); m = TASK_TS(task); @@ -338,8 +613,8 @@ sched_hook_fetch(void *root, void *arg __unused) sched_timespecinf(&r->root_wait); } #endif - /* if present member of eventLo, set NOWAIT */ - if (TAILQ_FIRST(&r->root_eventlo)) + /* if present member of task, set NOWAIT */ + if (TAILQ_FIRST(&r->root_task)) sched_timespecclear(&r->root_wait); if (r->root_wait.tv_sec != -1 && r->root_wait.tv_nsec != -1) @@ -365,9 +640,15 @@ sched_hook_fetch(void *root, void *arg __unused) /* 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 */ #ifdef HAVE_LIBPTHREAD pthread_mutex_lock(&r->root_mtx[taskREAD]); @@ -406,13 +687,21 @@ sched_hook_fetch(void *root, void *arg __unused) pthread_mutex_unlock(&r->root_mtx[taskREADY]); #endif } - break; } + /* 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 */ #ifdef HAVE_LIBPTHREAD pthread_mutex_lock(&r->root_mtx[taskWRITE]); @@ -451,13 +740,21 @@ sched_hook_fetch(void *root, void *arg __unused) pthread_mutex_unlock(&r->root_mtx[taskREADY]); #endif } - break; } + /* 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 */ #ifdef HAVE_LIBPTHREAD pthread_mutex_lock(&r->root_mtx[taskALARM]); @@ -474,9 +771,230 @@ sched_hook_fetch(void *root, void *arg __unused) #ifdef HAVE_LIBPTHREAD pthread_mutex_unlock(&r->root_mtx[taskREADY]); #endif - break; } + /* 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 */ +#ifdef HAVE_LIBPTHREAD + pthread_mutex_lock(&r->root_mtx[taskNODE]); +#endif + TAILQ_REMOVE(&r->root_node, task, task_node); +#ifdef HAVE_LIBPTHREAD + pthread_mutex_unlock(&r->root_mtx[taskNODE]); +#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 + } + /* 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 */ +#ifdef HAVE_LIBPTHREAD + pthread_mutex_lock(&r->root_mtx[taskPROC]); +#endif + TAILQ_REMOVE(&r->root_proc, task, task_node); +#ifdef HAVE_LIBPTHREAD + pthread_mutex_unlock(&r->root_mtx[taskPROC]); +#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 + } + /* 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 */ +#ifdef HAVE_LIBPTHREAD + pthread_mutex_lock(&r->root_mtx[taskSIGNAL]); +#endif + TAILQ_REMOVE(&r->root_signal, task, task_node); +#ifdef HAVE_LIBPTHREAD + pthread_mutex_unlock(&r->root_mtx[taskSIGNAL]); +#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 + } + /* 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 */ +#ifdef HAVE_LIBPTHREAD + pthread_mutex_lock(&r->root_mtx[taskAIO]); +#endif + TAILQ_REMOVE(&r->root_aio, task, task_node); +#ifdef HAVE_LIBPTHREAD + pthread_mutex_unlock(&r->root_mtx[taskAIO]); +#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 + 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 */ +#ifdef HAVE_LIBPTHREAD + pthread_mutex_lock(&r->root_mtx[taskLIO]); +#endif + TAILQ_REMOVE(&r->root_lio, task, task_node); +#ifdef HAVE_LIBPTHREAD + pthread_mutex_unlock(&r->root_mtx[taskLIO]); +#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 + 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 */ +#ifdef HAVE_LIBPTHREAD + pthread_mutex_lock(&r->root_mtx[taskUSER]); +#endif + TAILQ_REMOVE(&r->root_user, task, task_node); +#ifdef HAVE_LIBPTHREAD + pthread_mutex_unlock(&r->root_mtx[taskUSER]); +#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 + } + /* 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) { @@ -509,18 +1027,18 @@ sched_hook_fetch(void *root, void *arg __unused) #endif } - /* put eventlo priority task to ready queue, if there is no ready task or - reach max missed fetch-rotate */ - if ((task = TAILQ_FIRST(&r->root_eventlo))) { - if (!TAILQ_FIRST(&r->root_ready) || r->root_eventlo_miss > MAX_EVENTLO_MISS) { - r->root_eventlo_miss = 0; + /* put regular task priority task to ready queue, + if there is no ready task or reach max missing hit for regular task */ + if ((task = TAILQ_FIRST(&r->root_task))) { + if (!TAILQ_FIRST(&r->root_ready) || r->root_miss >= TASK_VAL(task)) { + r->root_miss ^= r->root_miss; #ifdef HAVE_LIBPTHREAD - pthread_mutex_lock(&r->root_mtx[taskEVENTLO]); + pthread_mutex_lock(&r->root_mtx[taskTASK]); #endif - TAILQ_REMOVE(&r->root_eventlo, task, task_node); + TAILQ_REMOVE(&r->root_task, task, task_node); #ifdef HAVE_LIBPTHREAD - pthread_mutex_unlock(&r->root_mtx[taskEVENTLO]); + pthread_mutex_unlock(&r->root_mtx[taskTASK]); #endif task->task_type = taskREADY; #ifdef HAVE_LIBPTHREAD @@ -531,9 +1049,9 @@ sched_hook_fetch(void *root, void *arg __unused) pthread_mutex_unlock(&r->root_mtx[taskREADY]); #endif } else - r->root_eventlo_miss++; + r->root_miss++; } else - r->root_eventlo_miss = 0; + r->root_miss ^= r->root_miss; /* OK, lets get ready task !!! */ task = TAILQ_FIRST(&r->root_ready); @@ -606,3 +1124,65 @@ sched_hook_condition(void *root, void *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) +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 (!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 = TASK_DATA(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 (!(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; + + 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 */