version 1.8, 2012/05/30 08:52:45
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version 1.28, 2021/06/08 21:45:07
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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, 2012 | Copyright 2004 - 2019 |
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 46 SUCH DAMAGE.
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Line 46 SUCH DAMAGE.
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#include "global.h" |
#include "global.h" |
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#pragma GCC visibility push(hidden) | /* |
| * sched_useTask() - Get and init new task |
inline sched_task_t * | * |
_sched_useTask(sched_root_task_t * __restrict root) | * @root = root task |
| * return: NULL error or !=NULL prepared task |
| */ |
| sched_task_t * |
| sched_useTask(sched_root_task_t * __restrict root) |
{ |
{ |
sched_task_t *task, *tmp; |
sched_task_t *task, *tmp; |
|
|
|
SCHED_QLOCK(root, taskUNUSE); |
TAILQ_FOREACH_SAFE(task, &root->root_unuse, task_node, tmp) { |
TAILQ_FOREACH_SAFE(task, &root->root_unuse, task_node, tmp) { |
if (!TASK_ISLOCKED(task)) { |
if (!TASK_ISLOCKED(task)) { |
#ifdef HAVE_LIBPTHREAD |
|
pthread_mutex_lock(&root->root_mtx[taskUNUSE]); |
|
#endif |
|
TAILQ_REMOVE(&root->root_unuse, task, task_node); |
TAILQ_REMOVE(&root->root_unuse, task, task_node); |
#ifdef HAVE_LIBPTHREAD |
|
pthread_mutex_unlock(&root->root_mtx[taskUNUSE]); |
|
#endif |
|
break; |
break; |
} |
} |
} |
} |
|
SCHED_QUNLOCK(root, taskUNUSE); |
|
|
if (!task) { |
if (!task) { |
task = malloc(sizeof(sched_task_t)); |
task = malloc(sizeof(sched_task_t)); |
Line 74 _sched_useTask(sched_root_task_t * __restrict root)
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Line 74 _sched_useTask(sched_root_task_t * __restrict root)
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} |
} |
} |
} |
|
|
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memset(task, 0, sizeof(sched_task_t)); |
|
task->task_id = (uintptr_t) task; |
return task; |
return task; |
} |
} |
|
|
inline sched_task_t * | /* |
_sched_unuseTask(sched_task_t * __restrict task) | * sched_unuseTask() - Unlock and put task to unuse queue |
| * |
| * @task = task |
| * return: always is NULL |
| */ |
| sched_task_t * |
| sched_unuseTask(sched_task_t * __restrict task) |
{ |
{ |
TASK_UNLOCK(task); |
TASK_UNLOCK(task); |
|
|
TASK_TYPE(task) = taskUNUSE; |
TASK_TYPE(task) = taskUNUSE; |
#ifdef HAVE_LIBPTHREAD | insert_task_to(task, &(TASK_ROOT(task))->root_unuse); |
pthread_mutex_lock(&TASK_ROOT(task)->root_mtx[taskUNUSE]); | |
#endif | |
TAILQ_INSERT_TAIL(&TASK_ROOT(task)->root_unuse, task, task_node); | |
#ifdef HAVE_LIBPTHREAD | |
pthread_mutex_unlock(&TASK_ROOT(task)->root_mtx[taskUNUSE]); | |
#endif | |
task = NULL; | |
|
|
|
task = NULL; |
return task; |
return task; |
} |
} |
|
|
#pragma GCC visibility pop | /* |
| * sched_taskExit() - Exit routine for scheduler task, explicit required for thread tasks |
| * |
| * @task = current task |
| * @retcode = return code |
| * return: return code |
| */ |
| void * |
| sched_taskExit(sched_task_t *task, intptr_t retcode) |
| { |
| if (!task || !TASK_ROOT(task)) |
| return (void*) -1; |
|
|
|
if (TASK_ROOT(task)->root_hooks.hook_exec.exit) |
|
TASK_ROOT(task)->root_hooks.hook_exec.exit(task, (void*) retcode); |
|
|
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TASK_ROOT(task)->root_ret = (void*) retcode; |
|
return (void*) retcode; |
|
} |
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|
|
/* |
/* |
* schedRead() - Add READ I/O task to scheduler queue |
* schedRead() - Add READ I/O task to scheduler queue |
* |
* |
Line 119 schedRead(sched_root_task_t * __restrict root, sched_t
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Line 140 schedRead(sched_root_task_t * __restrict root, sched_t
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return NULL; |
return NULL; |
|
|
/* get new task */ |
/* get new task */ |
if (!(task = _sched_useTask(root))) | if (!(task = sched_useTask(root))) |
return NULL; |
return NULL; |
|
|
memset(task, 0, sizeof(sched_task_t)); | TASK_FUNC(task) = func; |
task->task_id = 0; | |
task->task_lock = 0; | |
task->task_func = func; | |
TASK_TYPE(task) = taskREAD; |
TASK_TYPE(task) = taskREAD; |
TASK_ROOT(task) = root; |
TASK_ROOT(task) = root; |
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Line 140 schedRead(sched_root_task_t * __restrict root, sched_t
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Line 158 schedRead(sched_root_task_t * __restrict root, sched_t
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else |
else |
ptr = NULL; |
ptr = NULL; |
|
|
if (!ptr) { | if (!ptr) |
#ifdef HAVE_LIBPTHREAD | insert_task_to(task, &root->root_read); |
pthread_mutex_lock(&root->root_mtx[taskREAD]); | else |
#endif | task = sched_unuseTask(task); |
TAILQ_INSERT_TAIL(&root->root_read, task, task_node); | |
#ifdef HAVE_LIBPTHREAD | |
pthread_mutex_unlock(&root->root_mtx[taskREAD]); | |
#endif | |
} else | |
task = _sched_unuseTask(task); | |
|
|
return task; |
return task; |
} |
} |
Line 176 schedWrite(sched_root_task_t * __restrict root, sched_
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Line 188 schedWrite(sched_root_task_t * __restrict root, sched_
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return NULL; |
return NULL; |
|
|
/* get new task */ |
/* get new task */ |
if (!(task = _sched_useTask(root))) | if (!(task = sched_useTask(root))) |
return NULL; |
return NULL; |
|
|
memset(task, 0, sizeof(sched_task_t)); | TASK_FUNC(task) = func; |
task->task_id = 0; | |
task->task_lock = 0; | |
task->task_func = func; | |
TASK_TYPE(task) = taskWRITE; |
TASK_TYPE(task) = taskWRITE; |
TASK_ROOT(task) = root; |
TASK_ROOT(task) = root; |
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Line 197 schedWrite(sched_root_task_t * __restrict root, sched_
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Line 206 schedWrite(sched_root_task_t * __restrict root, sched_
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else |
else |
ptr = NULL; |
ptr = NULL; |
|
|
if (!ptr) { | if (!ptr) |
#ifdef HAVE_LIBPTHREAD | insert_task_to(task, &root->root_write); |
pthread_mutex_lock(&root->root_mtx[taskWRITE]); | else |
| task = sched_unuseTask(task); |
| |
| return task; |
| } |
| |
| /* |
| * schedNode() - Add NODE task to scheduler queue |
| * |
| * @root = root task |
| * @func = task execution function |
| * @arg = 1st func argument |
| * @fd = fd handle |
| * @opt_data = Optional data |
| * @opt_dlen = Optional data length |
| * return: NULL error or !=NULL new queued task |
| */ |
| sched_task_t * |
| schedNode(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, int fd, |
| void *opt_data, size_t opt_dlen) |
| { |
| #if SUP_ENABLE != KQ_SUPPORT |
| sched_SetErr(ENOTSUP, "disabled kqueue support"); |
| return NULL; |
| #else |
| sched_task_t *task; |
| void *ptr; |
| |
| if (!root || !func) |
| return NULL; |
| |
| /* get new task */ |
| if (!(task = sched_useTask(root))) |
| return NULL; |
| |
| TASK_FUNC(task) = func; |
| TASK_TYPE(task) = taskNODE; |
| TASK_ROOT(task) = root; |
| |
| TASK_ARG(task) = arg; |
| TASK_FD(task) = fd; |
| |
| TASK_DATA(task) = opt_data; |
| TASK_DATLEN(task) = opt_dlen; |
| |
| if (root->root_hooks.hook_add.node) |
| ptr = root->root_hooks.hook_add.node(task, NULL); |
| else |
| ptr = NULL; |
| |
| if (!ptr) |
| insert_task_to(task, &root->root_node); |
| else |
| task = sched_unuseTask(task); |
| |
| return task; |
| #endif /* KQ_SUPPORT */ |
| } |
| |
| /* |
| * schedNode2() - Add NODE task with all events to scheduler queue |
| * |
| * @root = root task |
| * @func = task execution function |
| * @arg = 1st func argument |
| * @fd = fd handle |
| * @opt_data = Optional data |
| * @opt_dlen = Optional data length |
| * return: NULL error or !=NULL new queued task |
| */ |
| sched_task_t * |
| schedNode2(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, int fd, |
| void *opt_data, size_t opt_dlen) |
| { |
| #if SUP_ENABLE != KQ_SUPPORT |
| sched_SetErr(ENOTSUP, "disabled kqueue support"); |
| return NULL; |
| #else |
| sched_task_t *task; |
| void *ptr; |
| |
| if (!root || !func) |
| return NULL; |
| |
| /* get new task */ |
| if (!(task = sched_useTask(root))) |
| return NULL; |
| |
| TASK_FUNC(task) = func; |
| TASK_TYPE(task) = taskNODE; |
| TASK_ROOT(task) = root; |
| |
| TASK_ARG(task) = arg; |
| TASK_FD(task) = fd; |
| |
| TASK_DATA(task) = opt_data; |
| TASK_DATLEN(task) = opt_dlen; |
| |
| if (root->root_hooks.hook_add.node) |
| #ifdef __FreeBSD__ |
| ptr = root->root_hooks.hook_add.node(task, |
| (void*) (NOTE_READ | NOTE_CLOSE_WRITE | NOTE_CLOSE | NOTE_OPEN)); |
| #else |
| ptr = root->root_hooks.hook_add.node(task, NULL); |
#endif |
#endif |
TAILQ_INSERT_TAIL(&root->root_write, task, task_node); | else |
#ifdef HAVE_LIBPTHREAD | ptr = NULL; |
pthread_mutex_unlock(&root->root_mtx[taskWRITE]); | |
#endif | |
} else | |
task = _sched_unuseTask(task); | |
|
|
|
if (!ptr) |
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insert_task_to(task, &root->root_node); |
|
else |
|
task = sched_unuseTask(task); |
|
|
return task; |
return task; |
|
#endif /* KQ_SUPPORT */ |
} |
} |
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/* |
/* |
|
* schedProc() - Add PROC task to scheduler queue |
|
* |
|
* @root = root task |
|
* @func = task execution function |
|
* @arg = 1st func argument |
|
* @pid = PID |
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* @opt_data = Optional data |
|
* @opt_dlen = Optional data length |
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* return: NULL error or !=NULL new queued task |
|
*/ |
|
sched_task_t * |
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schedProc(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, u_long pid, |
|
void *opt_data, size_t opt_dlen) |
|
{ |
|
#if SUP_ENABLE != KQ_SUPPORT |
|
sched_SetErr(ENOTSUP, "disabled kqueue support"); |
|
return NULL; |
|
#else |
|
sched_task_t *task; |
|
void *ptr; |
|
|
|
if (!root || !func) |
|
return NULL; |
|
|
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/* get new task */ |
|
if (!(task = sched_useTask(root))) |
|
return NULL; |
|
|
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TASK_FUNC(task) = func; |
|
TASK_TYPE(task) = taskPROC; |
|
TASK_ROOT(task) = root; |
|
|
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TASK_ARG(task) = arg; |
|
TASK_VAL(task) = pid; |
|
|
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TASK_DATA(task) = opt_data; |
|
TASK_DATLEN(task) = opt_dlen; |
|
|
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if (root->root_hooks.hook_add.proc) |
|
ptr = root->root_hooks.hook_add.proc(task, NULL); |
|
else |
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ptr = NULL; |
|
|
|
if (!ptr) |
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insert_task_to(task, &root->root_proc); |
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else |
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task = sched_unuseTask(task); |
|
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return task; |
|
#endif /* KQ_SUPPORT */ |
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} |
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/* |
|
* schedUser() - Add trigger USER task to scheduler queue |
|
* |
|
* @root = root task |
|
* @func = task execution function |
|
* @arg = 1st func argument |
|
* @id = Trigger ID |
|
* @opt_data = Optional data |
|
* @opt_dlen = Optional user's trigger flags |
|
* return: NULL error or !=NULL new queued task |
|
*/ |
|
sched_task_t * |
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schedUser(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, u_long id, |
|
void *opt_data, size_t opt_dlen) |
|
{ |
|
#if SUP_ENABLE != KQ_SUPPORT |
|
sched_SetErr(ENOTSUP, "disabled kqueue support"); |
|
return NULL; |
|
#else |
|
#ifndef EVFILT_USER |
|
sched_SetErr(ENOTSUP, "Not supported kevent() filter"); |
|
return NULL; |
|
#else |
|
sched_task_t *task; |
|
void *ptr; |
|
|
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if (!root || !func) |
|
return NULL; |
|
|
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/* get new task */ |
|
if (!(task = sched_useTask(root))) |
|
return NULL; |
|
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TASK_FUNC(task) = func; |
|
TASK_TYPE(task) = taskUSER; |
|
TASK_ROOT(task) = root; |
|
|
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TASK_ARG(task) = arg; |
|
TASK_VAL(task) = id; |
|
|
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TASK_DATA(task) = opt_data; |
|
TASK_DATLEN(task) = opt_dlen; |
|
|
|
if (root->root_hooks.hook_add.user) |
|
ptr = root->root_hooks.hook_add.user(task, NULL); |
|
else |
|
ptr = NULL; |
|
|
|
if (!ptr) |
|
insert_task_to(task, &root->root_user); |
|
else |
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task = sched_unuseTask(task); |
|
|
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return task; |
|
#endif /* EVFILT_USER */ |
|
#endif /* KQ_SUPPORT */ |
|
} |
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/* |
|
* schedSignal() - Add SIGNAL task to scheduler queue |
|
* |
|
* @root = root task |
|
* @func = task execution function |
|
* @arg = 1st func argument |
|
* @sig = Signal |
|
* @opt_data = Optional data |
|
* @opt_dlen = Optional data length |
|
* return: NULL error or !=NULL new queued task |
|
*/ |
|
sched_task_t * |
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schedSignal(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, u_long sig, |
|
void *opt_data, size_t opt_dlen) |
|
{ |
|
#if SUP_ENABLE != KQ_SUPPORT |
|
sched_SetErr(ENOTSUP, "disabled kqueue support"); |
|
return NULL; |
|
#else |
|
sched_task_t *task; |
|
void *ptr; |
|
|
|
if (!root || !func) |
|
return NULL; |
|
|
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/* get new task */ |
|
if (!(task = sched_useTask(root))) |
|
return NULL; |
|
|
|
TASK_FUNC(task) = func; |
|
TASK_TYPE(task) = taskSIGNAL; |
|
TASK_ROOT(task) = root; |
|
|
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TASK_ARG(task) = arg; |
|
TASK_VAL(task) = sig; |
|
|
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TASK_DATA(task) = opt_data; |
|
TASK_DATLEN(task) = opt_dlen; |
|
|
|
if (root->root_hooks.hook_add.signal) |
|
ptr = root->root_hooks.hook_add.signal(task, NULL); |
|
else |
|
ptr = NULL; |
|
|
|
if (!ptr) |
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insert_task_to(task, &root->root_signal); |
|
else |
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task = sched_unuseTask(task); |
|
|
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return task; |
|
#endif /* KQ_SUPPORT */ |
|
} |
|
|
|
/* |
* schedAlarm() - Add ALARM task to scheduler queue |
* schedAlarm() - Add ALARM task to scheduler queue |
* |
* |
* @root = root task |
* @root = root task |
* @func = task execution function |
* @func = task execution function |
* @arg = 1st func argument |
* @arg = 1st func argument |
* @ts = timeout argument structure, minimum alarm timer resolution is 1msec! |
* @ts = timeout argument structure, minimum alarm timer resolution is 1msec! |
* @opt_data = Optional data | * @opt_data = Alarm timer ID |
* @opt_dlen = Optional data length |
* @opt_dlen = Optional data length |
* return: NULL error or !=NULL new queued task |
* return: NULL error or !=NULL new queued task |
*/ |
*/ |
Line 226 sched_task_t *
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Line 504 sched_task_t *
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schedAlarm(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, struct timespec ts, |
schedAlarm(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, struct timespec ts, |
void *opt_data, size_t opt_dlen) |
void *opt_data, size_t opt_dlen) |
{ |
{ |
|
#if SUP_ENABLE != KQ_SUPPORT |
|
sched_SetErr(ENOTSUP, "disabled kqueue support"); |
|
return NULL; |
|
#else |
sched_task_t *task; |
sched_task_t *task; |
void *ptr; |
void *ptr; |
|
|
Line 233 schedAlarm(sched_root_task_t * __restrict root, sched_
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Line 515 schedAlarm(sched_root_task_t * __restrict root, sched_
|
return NULL; |
return NULL; |
|
|
/* get new task */ |
/* get new task */ |
if (!(task = _sched_useTask(root))) | if (!(task = sched_useTask(root))) |
return NULL; |
return NULL; |
|
|
memset(task, 0, sizeof(sched_task_t)); | TASK_FUNC(task) = func; |
task->task_id = 0; | |
task->task_lock = 0; | |
task->task_func = func; | |
TASK_TYPE(task) = taskALARM; |
TASK_TYPE(task) = taskALARM; |
TASK_ROOT(task) = root; |
TASK_ROOT(task) = root; |
|
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Line 254 schedAlarm(sched_root_task_t * __restrict root, sched_
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Line 533 schedAlarm(sched_root_task_t * __restrict root, sched_
|
else |
else |
ptr = NULL; |
ptr = NULL; |
|
|
if (!ptr) { | if (!ptr) |
#ifdef HAVE_LIBPTHREAD | insert_task_to(task, &root->root_alarm); |
pthread_mutex_lock(&root->root_mtx[taskALARM]); | else |
#endif | task = sched_unuseTask(task); |
TAILQ_INSERT_TAIL(&root->root_alarm, task, task_node); | |
#ifdef HAVE_LIBPTHREAD | return task; |
pthread_mutex_unlock(&root->root_mtx[taskALARM]); | #endif /* KQ_SUPPORT */ |
#endif | } |
| |
| #ifdef AIO_SUPPORT |
| /* |
| * schedAIO() - Add AIO task to scheduler queue |
| * |
| * @root = root task |
| * @func = task execution function |
| * @arg = 1st func argument |
| * @acb = AIO cb structure address |
| * @opt_data = Optional data |
| * @opt_dlen = Optional data length |
| * return: NULL error or !=NULL new queued task |
| */ |
| sched_task_t * |
| schedAIO(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, |
| struct aiocb * __restrict acb, void *opt_data, size_t opt_dlen) |
| { |
| #if SUP_ENABLE != KQ_SUPPORT |
| sched_SetErr(ENOTSUP, "disabled kqueue support"); |
| return NULL; |
| #else |
| sched_task_t *task; |
| void *ptr; |
| |
| if (!root || !func || !acb || !opt_dlen) |
| return NULL; |
| |
| /* get new task */ |
| if (!(task = sched_useTask(root))) |
| return NULL; |
| |
| TASK_FUNC(task) = func; |
| TASK_TYPE(task) = taskAIO; |
| TASK_ROOT(task) = root; |
| |
| TASK_ARG(task) = arg; |
| TASK_VAL(task) = (u_long) acb; |
| |
| TASK_DATA(task) = opt_data; |
| TASK_DATLEN(task) = opt_dlen; |
| |
| if (root->root_hooks.hook_add.aio) |
| ptr = root->root_hooks.hook_add.aio(task, NULL); |
| else |
| ptr = NULL; |
| |
| if (!ptr) |
| insert_task_to(task, &root->root_aio); |
| else |
| task = sched_unuseTask(task); |
| |
| return task; |
| #endif /* KQ_SUPPORT */ |
| } |
| |
| /* |
| * schedAIORead() - Add AIO read task to scheduler queue |
| * |
| * @root = root task |
| * @func = task execution function |
| * @arg = 1st func argument |
| * @fd = file descriptor |
| * @buffer = Buffer |
| * @buflen = Buffer length |
| * @offset = Offset from start of file, if =-1 from current position |
| * return: NULL error or !=NULL new queued task |
| */ |
| sched_task_t * |
| schedAIORead(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, int fd, |
| void *buffer, size_t buflen, off_t offset) |
| { |
| #if SUP_ENABLE != KQ_SUPPORT |
| sched_SetErr(ENOTSUP, "disabled kqueue support"); |
| return NULL; |
| #else |
| struct aiocb *acb; |
| off_t off; |
| |
| if (!root || !func || !buffer || !buflen) |
| return NULL; |
| |
| if (offset == (off_t) -1) { |
| off = lseek(fd, 0, SEEK_CUR); |
| if (off == -1) { |
| LOGERR; |
| return NULL; |
| } |
} else |
} else |
task = _sched_unuseTask(task); | off = offset; |
|
|
|
if (!(acb = malloc(sizeof(struct aiocb)))) { |
|
LOGERR; |
|
return NULL; |
|
} else |
|
memset(acb, 0, sizeof(struct aiocb)); |
|
|
|
acb->aio_fildes = fd; |
|
acb->aio_nbytes = buflen; |
|
acb->aio_buf = buffer; |
|
acb->aio_offset = off; |
|
acb->aio_sigevent.sigev_notify = SIGEV_KEVENT; |
|
acb->aio_sigevent.sigev_notify_kqueue = root->root_kq; |
|
acb->aio_sigevent.sigev_value.sival_ptr = acb; |
|
|
|
if (aio_read(acb)) { |
|
LOGERR; |
|
free(acb); |
|
return NULL; |
|
} |
|
|
|
return schedAIO(root, func, arg, acb, buffer, buflen); |
|
#endif /* KQ_SUPPORT */ |
|
} |
|
|
|
/* |
|
* schedAIOWrite() - Add AIO write task to scheduler queue |
|
* |
|
* @root = root task |
|
* @func = task execution function |
|
* @arg = 1st func argument |
|
* @fd = file descriptor |
|
* @buffer = Buffer |
|
* @buflen = Buffer length |
|
* @offset = Offset from start of file, if =-1 from current position |
|
* return: NULL error or !=NULL new queued task |
|
*/ |
|
sched_task_t * |
|
schedAIOWrite(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, int fd, |
|
void *buffer, size_t buflen, off_t offset) |
|
{ |
|
#if SUP_ENABLE != KQ_SUPPORT |
|
sched_SetErr(ENOTSUP, "disabled kqueue support"); |
|
return NULL; |
|
#else |
|
struct aiocb *acb; |
|
off_t off; |
|
|
|
if (!root || !func || !buffer || !buflen) |
|
return NULL; |
|
|
|
if (offset == (off_t) -1) { |
|
off = lseek(fd, 0, SEEK_CUR); |
|
if (off == -1) { |
|
LOGERR; |
|
return NULL; |
|
} |
|
} else |
|
off = offset; |
|
|
|
if (!(acb = malloc(sizeof(struct aiocb)))) { |
|
LOGERR; |
|
return NULL; |
|
} else |
|
memset(acb, 0, sizeof(struct aiocb)); |
|
|
|
acb->aio_fildes = fd; |
|
acb->aio_nbytes = buflen; |
|
acb->aio_buf = buffer; |
|
acb->aio_offset = off; |
|
acb->aio_sigevent.sigev_notify = SIGEV_KEVENT; |
|
acb->aio_sigevent.sigev_notify_kqueue = root->root_kq; |
|
acb->aio_sigevent.sigev_value.sival_ptr = acb; |
|
|
|
if (aio_write(acb)) { |
|
LOGERR; |
|
free(acb); |
|
return NULL; |
|
} |
|
|
|
return schedAIO(root, func, arg, acb, buffer, buflen); |
|
#endif /* KQ_SUPPORT */ |
|
} |
|
|
|
#ifdef EVFILT_LIO |
|
/* |
|
* schedLIO() - Add AIO bulk tasks to scheduler queue |
|
* |
|
* @root = root task |
|
* @func = task execution function |
|
* @arg = 1st func argument |
|
* @acbs = AIO cb structure addresses |
|
* @opt_data = Optional data |
|
* @opt_dlen = Optional data length |
|
* return: NULL error or !=NULL new queued task |
|
*/ |
|
sched_task_t * |
|
schedLIO(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, |
|
struct aiocb ** __restrict acbs, void *opt_data, size_t opt_dlen) |
|
{ |
|
#if SUP_ENABLE != KQ_SUPPORT |
|
sched_SetErr(ENOTSUP, "disabled kqueue support"); |
|
return NULL; |
|
#else |
|
sched_task_t *task; |
|
void *ptr; |
|
|
|
if (!root || !func || !acbs || !opt_dlen) |
|
return NULL; |
|
|
|
/* get new task */ |
|
if (!(task = sched_useTask(root))) |
|
return NULL; |
|
|
|
TASK_FUNC(task) = func; |
|
TASK_TYPE(task) = taskLIO; |
|
TASK_ROOT(task) = root; |
|
|
|
TASK_ARG(task) = arg; |
|
TASK_VAL(task) = (u_long) acbs; |
|
|
|
TASK_DATA(task) = opt_data; |
|
TASK_DATLEN(task) = opt_dlen; |
|
|
|
if (root->root_hooks.hook_add.lio) |
|
ptr = root->root_hooks.hook_add.lio(task, NULL); |
|
else |
|
ptr = NULL; |
|
|
|
if (!ptr) |
|
insert_task_to(task, &root->root_lio); |
|
else |
|
task = sched_unuseTask(task); |
|
|
return task; |
return task; |
|
#endif /* KQ_SUPPORT */ |
} |
} |
|
|
/* |
/* |
|
* schedLIORead() - Add list of AIO read tasks to scheduler queue |
|
* |
|
* @root = root task |
|
* @func = task execution function |
|
* @arg = 1st func argument |
|
* @fd = file descriptor |
|
* @bufs = Buffer's list |
|
* @nbufs = Number of Buffers |
|
* @offset = Offset from start of file, if =-1 from current position |
|
* return: NULL error or !=NULL new queued task |
|
*/ |
|
sched_task_t * |
|
schedLIORead(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, int fd, |
|
struct iovec *bufs, size_t nbufs, off_t offset) |
|
{ |
|
#if SUP_ENABLE != KQ_SUPPORT |
|
sched_SetErr(ENOTSUP, "disabled kqueue support"); |
|
return NULL; |
|
#else |
|
struct sigevent sig; |
|
struct aiocb **acb; |
|
off_t off; |
|
register int i; |
|
|
|
if (!root || !func || !bufs || !nbufs) |
|
return NULL; |
|
|
|
if (offset == (off_t) -1) { |
|
off = lseek(fd, 0, SEEK_CUR); |
|
if (off == -1) { |
|
LOGERR; |
|
return NULL; |
|
} |
|
} else |
|
off = offset; |
|
|
|
if (!(acb = calloc(sizeof(void*), nbufs))) { |
|
LOGERR; |
|
return NULL; |
|
} else |
|
memset(acb, 0, sizeof(void*) * nbufs); |
|
for (i = 0; i < nbufs; off += bufs[i++].iov_len) { |
|
acb[i] = malloc(sizeof(struct aiocb)); |
|
if (!acb[i]) { |
|
LOGERR; |
|
for (i = 0; i < nbufs; i++) |
|
if (acb[i]) |
|
free(acb[i]); |
|
free(acb); |
|
return NULL; |
|
} else |
|
memset(acb[i], 0, sizeof(struct aiocb)); |
|
acb[i]->aio_fildes = fd; |
|
acb[i]->aio_nbytes = bufs[i].iov_len; |
|
acb[i]->aio_buf = bufs[i].iov_base; |
|
acb[i]->aio_offset = off; |
|
acb[i]->aio_lio_opcode = LIO_READ; |
|
} |
|
memset(&sig, 0, sizeof sig); |
|
sig.sigev_notify = SIGEV_KEVENT; |
|
sig.sigev_notify_kqueue = root->root_kq; |
|
sig.sigev_value.sival_ptr = acb; |
|
|
|
if (lio_listio(LIO_NOWAIT, acb, nbufs, &sig)) { |
|
LOGERR; |
|
for (i = 0; i < nbufs; i++) |
|
if (acb[i]) |
|
free(acb[i]); |
|
free(acb); |
|
return NULL; |
|
} |
|
|
|
return schedLIO(root, func, arg, (void*) acb, bufs, nbufs); |
|
#endif /* KQ_SUPPORT */ |
|
} |
|
|
|
/* |
|
* schedLIOWrite() - Add list of AIO write tasks to scheduler queue |
|
* |
|
* @root = root task |
|
* @func = task execution function |
|
* @arg = 1st func argument |
|
* @fd = file descriptor |
|
* @bufs = Buffer's list |
|
* @nbufs = Number of Buffers |
|
* @offset = Offset from start of file, if =-1 from current position |
|
* return: NULL error or !=NULL new queued task |
|
*/ |
|
sched_task_t * |
|
schedLIOWrite(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, int fd, |
|
struct iovec *bufs, size_t nbufs, off_t offset) |
|
{ |
|
#if SUP_ENABLE != KQ_SUPPORT |
|
sched_SetErr(ENOTSUP, "disabled kqueue support"); |
|
return NULL; |
|
#else |
|
struct sigevent sig; |
|
struct aiocb **acb; |
|
off_t off; |
|
register int i; |
|
|
|
if (!root || !func || !bufs || !nbufs) |
|
return NULL; |
|
|
|
if (offset == (off_t) -1) { |
|
off = lseek(fd, 0, SEEK_CUR); |
|
if (off == -1) { |
|
LOGERR; |
|
return NULL; |
|
} |
|
} else |
|
off = offset; |
|
|
|
if (!(acb = calloc(sizeof(void*), nbufs))) { |
|
LOGERR; |
|
return NULL; |
|
} else |
|
memset(acb, 0, sizeof(void*) * nbufs); |
|
for (i = 0; i < nbufs; off += bufs[i++].iov_len) { |
|
acb[i] = malloc(sizeof(struct aiocb)); |
|
if (!acb[i]) { |
|
LOGERR; |
|
for (i = 0; i < nbufs; i++) |
|
if (acb[i]) |
|
free(acb[i]); |
|
free(acb); |
|
return NULL; |
|
} else |
|
memset(acb[i], 0, sizeof(struct aiocb)); |
|
acb[i]->aio_fildes = fd; |
|
acb[i]->aio_nbytes = bufs[i].iov_len; |
|
acb[i]->aio_buf = bufs[i].iov_base; |
|
acb[i]->aio_offset = off; |
|
acb[i]->aio_lio_opcode = LIO_WRITE; |
|
} |
|
memset(&sig, 0, sizeof sig); |
|
sig.sigev_notify = SIGEV_KEVENT; |
|
sig.sigev_notify_kqueue = root->root_kq; |
|
sig.sigev_value.sival_ptr = acb; |
|
|
|
if (lio_listio(LIO_NOWAIT, acb, nbufs, &sig)) { |
|
LOGERR; |
|
for (i = 0; i < nbufs; i++) |
|
if (acb[i]) |
|
free(acb[i]); |
|
free(acb); |
|
return NULL; |
|
} |
|
|
|
return schedLIO(root, func, arg, (void*) acb, bufs, nbufs); |
|
#endif /* KQ_SUPPORT */ |
|
} |
|
#endif /* EVFILT_LIO */ |
|
#endif /* AIO_SUPPORT */ |
|
|
|
/* |
* schedTimer() - Add TIMER task to scheduler queue |
* schedTimer() - Add TIMER task to scheduler queue |
* |
* |
* @root = root task |
* @root = root task |
Line 283 sched_task_t *
|
Line 939 sched_task_t *
|
schedTimer(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, struct timespec ts, |
schedTimer(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, struct timespec ts, |
void *opt_data, size_t opt_dlen) |
void *opt_data, size_t opt_dlen) |
{ |
{ |
sched_task_t *task, *t = NULL; | sched_task_t *task, *tmp, *t = NULL; |
void *ptr; |
void *ptr; |
struct timespec now; |
struct timespec now; |
|
|
Line 291 schedTimer(sched_root_task_t * __restrict root, sched_
|
Line 947 schedTimer(sched_root_task_t * __restrict root, sched_
|
return NULL; |
return NULL; |
|
|
/* get new task */ |
/* get new task */ |
if (!(task = _sched_useTask(root))) | if (!(task = sched_useTask(root))) |
return NULL; |
return NULL; |
|
|
memset(task, 0, sizeof(sched_task_t)); | TASK_FUNC(task) = func; |
task->task_id = 0; | |
task->task_lock = 0; | |
task->task_func = func; | |
TASK_TYPE(task) = taskTIMER; |
TASK_TYPE(task) = taskTIMER; |
TASK_ROOT(task) = root; |
TASK_ROOT(task) = root; |
|
|
Line 325 schedTimer(sched_root_task_t * __restrict root, sched_
|
Line 978 schedTimer(sched_root_task_t * __restrict root, sched_
|
ptr = NULL; |
ptr = NULL; |
|
|
if (!ptr) { |
if (!ptr) { |
#ifdef HAVE_LIBPTHREAD | SCHED_QLOCK(root, taskTIMER); |
pthread_mutex_lock(&root->root_mtx[taskTIMER]); | |
#endif | |
#ifdef TIMER_WITHOUT_SORT |
#ifdef TIMER_WITHOUT_SORT |
TAILQ_INSERT_TAIL(&root->root_timer, task, task_node); |
TAILQ_INSERT_TAIL(&root->root_timer, task, task_node); |
#else |
#else |
TAILQ_FOREACH(t, &root->root_timer, task_node) | TAILQ_FOREACH_SAFE(t, &root->root_timer, task_node, tmp) |
if (sched_timespeccmp(&TASK_TS(task), &TASK_TS(t), -) < 1) |
if (sched_timespeccmp(&TASK_TS(task), &TASK_TS(t), -) < 1) |
break; |
break; |
if (!t) |
if (!t) |
Line 339 schedTimer(sched_root_task_t * __restrict root, sched_
|
Line 990 schedTimer(sched_root_task_t * __restrict root, sched_
|
else |
else |
TAILQ_INSERT_BEFORE(t, task, task_node); |
TAILQ_INSERT_BEFORE(t, task, task_node); |
#endif |
#endif |
#ifdef HAVE_LIBPTHREAD | SCHED_QUNLOCK(root, taskTIMER); |
pthread_mutex_unlock(&root->root_mtx[taskTIMER]); | |
#endif | |
} else |
} else |
task = _sched_unuseTask(task); | task = sched_unuseTask(task); |
|
|
return task; |
return task; |
} |
} |
Line 370 schedEvent(sched_root_task_t * __restrict root, sched_
|
Line 1019 schedEvent(sched_root_task_t * __restrict root, sched_
|
return NULL; |
return NULL; |
|
|
/* get new task */ |
/* get new task */ |
if (!(task = _sched_useTask(root))) | if (!(task = sched_useTask(root))) |
return NULL; |
return NULL; |
|
|
memset(task, 0, sizeof(sched_task_t)); | TASK_FUNC(task) = func; |
task->task_id = 0; | |
task->task_lock = 0; | |
task->task_func = func; | |
TASK_TYPE(task) = taskEVENT; |
TASK_TYPE(task) = taskEVENT; |
TASK_ROOT(task) = root; |
TASK_ROOT(task) = root; |
|
|
Line 391 schedEvent(sched_root_task_t * __restrict root, sched_
|
Line 1037 schedEvent(sched_root_task_t * __restrict root, sched_
|
else |
else |
ptr = NULL; |
ptr = NULL; |
|
|
if (!ptr) { | if (!ptr) |
#ifdef HAVE_LIBPTHREAD | insert_task_to(task, &root->root_event); |
pthread_mutex_lock(&root->root_mtx[taskEVENT]); | else |
#endif | task = sched_unuseTask(task); |
TAILQ_INSERT_TAIL(&root->root_event, task, task_node); | |
#ifdef HAVE_LIBPTHREAD | |
pthread_mutex_unlock(&root->root_mtx[taskEVENT]); | |
#endif | |
} else | |
task = _sched_unuseTask(task); | |
|
|
return task; |
return task; |
} |
} |
|
|
|
|
/* |
/* |
* schedEventLo() - Add EVENT_Lo task to scheduler queue | * schedTask() - Add regular task to scheduler queue |
* |
* |
* @root = root task |
* @root = root task |
* @func = task execution function |
* @func = task execution function |
* @arg = 1st func argument |
* @arg = 1st func argument |
* @val = additional func argument | * @prio = regular task priority, 0 is hi priority for regular tasks |
* @opt_data = Optional data |
* @opt_data = Optional data |
* @opt_dlen = Optional data length |
* @opt_dlen = Optional data length |
* return: NULL error or !=NULL new queued task |
* return: NULL error or !=NULL new queued task |
*/ |
*/ |
sched_task_t * |
sched_task_t * |
schedEventLo(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, u_long val, | schedTask(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, u_long prio, |
void *opt_data, size_t opt_dlen) |
void *opt_data, size_t opt_dlen) |
{ |
{ |
sched_task_t *task; | sched_task_t *task, *tmp, *t = NULL; |
void *ptr; |
void *ptr; |
|
|
if (!root || !func) |
if (!root || !func) |
return NULL; |
return NULL; |
|
|
/* get new task */ |
/* get new task */ |
if (!(task = _sched_useTask(root))) | if (!(task = sched_useTask(root))) |
return NULL; |
return NULL; |
|
|
memset(task, 0, sizeof(sched_task_t)); | TASK_FUNC(task) = func; |
task->task_id = 0; | TASK_TYPE(task) = taskTASK; |
task->task_lock = 0; | |
task->task_func = func; | |
TASK_TYPE(task) = taskEVENT; | |
TASK_ROOT(task) = root; |
TASK_ROOT(task) = root; |
|
|
TASK_ARG(task) = arg; |
TASK_ARG(task) = arg; |
TASK_VAL(task) = val; | TASK_VAL(task) = prio; |
|
|
TASK_DATA(task) = opt_data; |
TASK_DATA(task) = opt_data; |
TASK_DATLEN(task) = opt_dlen; |
TASK_DATLEN(task) = opt_dlen; |
|
|
if (root->root_hooks.hook_add.eventlo) | if (root->root_hooks.hook_add.task) |
ptr = root->root_hooks.hook_add.eventlo(task, NULL); | ptr = root->root_hooks.hook_add.task(task, NULL); |
else |
else |
ptr = NULL; |
ptr = NULL; |
|
|
if (!ptr) { |
if (!ptr) { |
#ifdef HAVE_LIBPTHREAD | SCHED_QLOCK(root, taskTASK); |
pthread_mutex_lock(&root->root_mtx[taskEVENTLO]); | TAILQ_FOREACH_SAFE(t, &root->root_task, task_node, tmp) |
#endif | if (TASK_VAL(task) < TASK_VAL(t)) |
TAILQ_INSERT_TAIL(&root->root_eventlo, task, task_node); | break; |
#ifdef HAVE_LIBPTHREAD | if (!t) |
pthread_mutex_unlock(&root->root_mtx[taskEVENTLO]); | TAILQ_INSERT_TAIL(&root->root_task, task, task_node); |
#endif | else |
| TAILQ_INSERT_BEFORE(t, task, task_node); |
| SCHED_QUNLOCK(root, taskTASK); |
} else |
} else |
task = _sched_unuseTask(task); | task = sched_unuseTask(task); |
|
|
return task; |
return task; |
} |
} |
|
|
/* |
/* |
|
* schedSuspend() - Add Suspended task to scheduler queue |
|
* |
|
* @root = root task |
|
* @func = task execution function |
|
* @arg = 1st func argument |
|
* @id = Trigger ID |
|
* @opt_data = Optional data |
|
* @opt_dlen = Optional data length |
|
* return: NULL error or !=NULL new queued task |
|
*/ |
|
sched_task_t * |
|
schedSuspend(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, u_long id, |
|
void *opt_data, size_t opt_dlen) |
|
{ |
|
sched_task_t *task; |
|
void *ptr; |
|
|
|
if (!root || !func) |
|
return NULL; |
|
|
|
/* get new task */ |
|
if (!(task = sched_useTask(root))) |
|
return NULL; |
|
|
|
TASK_FUNC(task) = func; |
|
TASK_TYPE(task) = taskSUSPEND; |
|
TASK_ROOT(task) = root; |
|
|
|
TASK_ARG(task) = arg; |
|
TASK_VAL(task) = id; |
|
|
|
TASK_DATA(task) = opt_data; |
|
TASK_DATLEN(task) = opt_dlen; |
|
|
|
if (root->root_hooks.hook_add.suspend) |
|
ptr = root->root_hooks.hook_add.suspend(task, NULL); |
|
else |
|
ptr = NULL; |
|
|
|
if (!ptr) |
|
insert_task_to(task, &root->root_suspend); |
|
else |
|
task = sched_unuseTask(task); |
|
|
|
return task; |
|
} |
|
|
|
/* |
* schedCallOnce() - Call once from scheduler |
* schedCallOnce() - Call once from scheduler |
* |
* |
* @root = root task |
* @root = root task |
Line 485 schedCallOnce(sched_root_task_t * __restrict root, sch
|
Line 1172 schedCallOnce(sched_root_task_t * __restrict root, sch
|
return NULL; |
return NULL; |
|
|
/* get new task */ |
/* get new task */ |
if (!(task = _sched_useTask(root))) | if (!(task = sched_useTask(root))) |
return NULL; |
return NULL; |
|
|
memset(task, 0, sizeof(sched_task_t)); | TASK_FUNC(task) = func; |
task->task_id = 0; | |
task->task_lock = 0; | |
task->task_func = func; | |
TASK_TYPE(task) = taskEVENT; |
TASK_TYPE(task) = taskEVENT; |
TASK_ROOT(task) = root; |
TASK_ROOT(task) = root; |
|
|
Line 503 schedCallOnce(sched_root_task_t * __restrict root, sch
|
Line 1187 schedCallOnce(sched_root_task_t * __restrict root, sch
|
|
|
ret = schedCall(task); |
ret = schedCall(task); |
|
|
_sched_unuseTask(task); | sched_unuseTask(task); |
return ret; |
return ret; |
|
} |
|
|
|
/* |
|
* schedThread() - Add thread task to scheduler queue |
|
* |
|
* @root = root task |
|
* @func = task execution function |
|
* @arg = 1st func argument |
|
* @ss = stack size |
|
* @opt_data = Optional data |
|
* @opt_dlen = Optional data length |
|
* return: NULL error or !=NULL new queued task |
|
*/ |
|
sched_task_t * |
|
schedThread(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, |
|
size_t ss, void *opt_data, size_t opt_dlen) |
|
{ |
|
#ifndef HAVE_LIBPTHREAD |
|
sched_SetErr(ENOTSUP, "Not supported thread tasks"); |
|
return NULL; |
|
#endif |
|
sched_task_t *task; |
|
pthread_attr_t attr; |
|
void *ptr; |
|
|
|
if (!root || !func) |
|
return NULL; |
|
|
|
/* get new task */ |
|
if (!(task = sched_useTask(root))) |
|
return NULL; |
|
|
|
TASK_FUNC(task) = func; |
|
TASK_TYPE(task) = taskTHREAD; |
|
TASK_ROOT(task) = root; |
|
|
|
TASK_ARG(task) = arg; |
|
|
|
TASK_DATA(task) = opt_data; |
|
TASK_DATLEN(task) = opt_dlen; |
|
|
|
pthread_attr_init(&attr); |
|
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); |
|
if (ss && (errno = pthread_attr_setstacksize(&attr, ss))) { |
|
LOGERR; |
|
pthread_attr_destroy(&attr); |
|
return sched_unuseTask(task); |
|
} |
|
if ((errno = pthread_attr_getstacksize(&attr, &ss))) { |
|
LOGERR; |
|
pthread_attr_destroy(&attr); |
|
return sched_unuseTask(task); |
|
} else |
|
TASK_FLAG(task) = ss; |
|
|
|
#ifdef SCHED_RR |
|
pthread_attr_setschedpolicy(&attr, SCHED_RR); |
|
#else |
|
pthread_attr_setschedpolicy(&attr, SCHED_OTHER); |
|
#endif |
|
|
|
if (root->root_hooks.hook_add.thread) |
|
ptr = root->root_hooks.hook_add.thread(task, &attr); |
|
else |
|
ptr = NULL; |
|
|
|
if (!ptr) |
|
insert_task_to(task, &root->root_thread); |
|
else |
|
task = sched_unuseTask(task); |
|
|
|
pthread_attr_destroy(&attr); |
|
return task; |
|
} |
|
|
|
/* |
|
* schedRTC() - Add RTC task to scheduler queue |
|
* |
|
* @root = root task |
|
* @func = task execution function |
|
* @arg = 1st func argument |
|
* @ts = timeout argument structure, minimum alarm timer resolution is 1msec! |
|
* @opt_data = Optional RTC ID |
|
* @opt_dlen = Optional data length |
|
* return: NULL error or !=NULL new queued task |
|
*/ |
|
sched_task_t * |
|
schedRTC(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg, struct timespec ts, |
|
void *opt_data, size_t opt_dlen) |
|
{ |
|
#if defined(HAVE_LIBRT) && defined(HAVE_TIMER_CREATE) && \ |
|
defined(HAVE_TIMER_SETTIME) && defined(HAVE_TIMER_DELETE) |
|
sched_task_t *task; |
|
void *ptr; |
|
|
|
if (!root || !func) |
|
return NULL; |
|
|
|
/* get new task */ |
|
if (!(task = sched_useTask(root))) |
|
return NULL; |
|
|
|
TASK_FUNC(task) = func; |
|
TASK_TYPE(task) = taskRTC; |
|
TASK_ROOT(task) = root; |
|
|
|
TASK_ARG(task) = arg; |
|
TASK_TS(task) = ts; |
|
|
|
TASK_DATA(task) = opt_data; |
|
TASK_DATLEN(task) = opt_dlen; |
|
|
|
if (root->root_hooks.hook_add.rtc) |
|
ptr = root->root_hooks.hook_add.rtc(task, NULL); |
|
else |
|
ptr = NULL; |
|
|
|
if (!ptr) |
|
insert_task_to(task, &root->root_rtc); |
|
else |
|
task = sched_unuseTask(task); |
|
|
|
return task; |
|
#else |
|
sched_SetErr(ENOTSUP, "Not supported realtime clock extensions"); |
|
return NULL; |
|
#endif |
} |
} |