Annotation of libaitsched/inc/aitsched.h, revision 1.10.6.1
1.1 misho 1: /*************************************************************************
2: * (C) 2011 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
3: * by Michael Pounov <misho@openbsd-bg.org>
4: *
5: * $Author: misho $
1.10.6.1! misho 6: * $Id: aitsched.h,v 1.10 2012/05/31 22:31:48 misho Exp $
1.1 misho 7: *
8: **************************************************************************
9: The ELWIX and AITNET software is distributed under the following
10: terms:
11:
12: All of the documentation and software included in the ELWIX and AITNET
13: Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
14:
1.6 misho 15: Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
1.1 misho 16: by Michael Pounov <misho@elwix.org>. All rights reserved.
17:
18: Redistribution and use in source and binary forms, with or without
19: modification, are permitted provided that the following conditions
20: are met:
21: 1. Redistributions of source code must retain the above copyright
22: notice, this list of conditions and the following disclaimer.
23: 2. Redistributions in binary form must reproduce the above copyright
24: notice, this list of conditions and the following disclaimer in the
25: documentation and/or other materials provided with the distribution.
26: 3. All advertising materials mentioning features or use of this software
27: must display the following acknowledgement:
28: This product includes software developed by Michael Pounov <misho@elwix.org>
29: ELWIX - Embedded LightWeight unIX and its contributors.
30: 4. Neither the name of AITNET nor the names of its contributors
31: may be used to endorse or promote products derived from this software
32: without specific prior written permission.
33:
34: THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
35: ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
36: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
37: ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
38: FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
39: DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
40: OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
41: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
42: LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
43: OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
44: SUCH DAMAGE.
45: */
46: #ifndef __AITSCHED_H
47: #define __AITSCHED_H
48:
49:
1.2 misho 50: #include <sys/types.h>
51: #include <sys/queue.h>
52: #include <sys/uio.h>
1.3 misho 53: #include <stdint.h>
1.5 misho 54: #include <pthread.h>
1.2 misho 55:
56:
1.1 misho 57: /* criteria type */
1.10 misho 58: #define CRITERIA_ANY 0
59: #define CRITERIA_CALL 1
60: #define CRITERIA_ARG 2
61: #define CRITERIA_FD 3
62: #define CRITERIA_VAL 4
63: #define CRITERIA_TS 5
64: #define CRITERIA_DATA 6
1.10.6.1! misho 65: #define CRITERIA_ID 7
1.1 misho 66:
67:
68: /* early declaration for root & task */
69: typedef struct sched_Task sched_task_t;
70: typedef struct sched_RootTask sched_root_task_t;
71:
72: typedef enum {
73: taskREAD = 0,
74: taskWRITE,
75: taskTIMER,
1.10 misho 76: taskALARM,
77: taskNODE,
78: taskPROC,
79: taskUSER,
80: taskSIGNAL,
1.9 misho 81: taskEVENT,
82: taskEVENTLO,
1.10.6.1! misho 83: taskSUSPEND,
1.1 misho 84: taskREADY,
85: taskUNUSE,
86: taskMAX
87: } sched_task_type_t;
88:
89: /* hooks */
90: typedef void *(*sched_hook_func_t)(void *, void *);
91: struct sched_HooksTask {
92: struct {
93: /* read(sched_task_t *task, NULL) -> int */
94: sched_hook_func_t read;
95: /* write(sched_task_t *task, NULL) -> int */
96: sched_hook_func_t write;
1.10 misho 97: /* timer(sched_task_t *task, struct timespec *ts) -> int */
98: sched_hook_func_t timer;
99: /* alarm(sched_task_t *task, NULL) -> int */
100: sched_hook_func_t alarm;
101: /* node(sched_task_t *task, NULL) -> int */
102: sched_hook_func_t node;
103: /* proc(sched_task_t *task, NULL) -> int */
104: sched_hook_func_t proc;
105: /* user(sched_task_t *task, NULL) -> int */
106: sched_hook_func_t user;
107: /* signal(sched_task_t *task, NULL) -> int */
108: sched_hook_func_t signal;
1.1 misho 109: /* event(sched_task_t *task, NULL) -> int */
110: sched_hook_func_t event;
111: /* eventlo(sched_task_t *task, NULL) -> int */
112: sched_hook_func_t eventlo;
1.10.6.1! misho 113: /* suspend(sched_task_t *task, NULL) -> int */
! 114: sched_hook_func_t suspend;
1.1 misho 115: } hook_add;
116: struct {
117: /* cancel(sched_task_t *task, NULL) -> int */
118: sched_hook_func_t cancel;
1.10.6.1! misho 119: /* resume(sched_task_t *task, NULL) -> int */
! 120: sched_hook_func_t resume;
1.1 misho 121: /* run(sched_root_task_t *root, NULL) -> int */
122: sched_hook_func_t run;
123: /* fetch(sched_root_task_t *root, NULL) -> sched_task_t* */
124: sched_hook_func_t fetch;
1.3 misho 125: /* exception(sched_root_task_t *root, NULL) -> int */
126: sched_hook_func_t exception;
1.6 misho 127: /* condition(sched_root_task_t *root, intptr_t *stopValue) -> int */
128: sched_hook_func_t condition;
1.1 misho 129: } hook_exec;
130: struct {
131: /* init(sched_root_task_t *root, void *data) -> int */
132: sched_hook_func_t init;
133: /* fini(sched_root_task_t *root, NULL) -> int */
134: sched_hook_func_t fini;
1.3 misho 135: /* error(sched_root_task_t *root, int errno) -> int */
136: sched_hook_func_t error;
1.1 misho 137: } hook_root;
138: };
139: typedef struct sched_HooksTask hooks_task_t;
140:
141: /* task callback, like pthread callback! */
1.2 misho 142: typedef void *(*sched_task_func_t)(sched_task_t * /* current task data*/);
1.1 misho 143:
1.4 misho 144: /* task lock helpers */
1.10 misho 145: #define TASK_LOCK(x) ((x)->task_lock = 42)
1.4 misho 146: #define TASK_UNLOCK(x) ((x)->task_lock ^= (x)->task_lock)
147: #define TASK_ISLOCKED(x) ((x)->task_lock)
148:
1.1 misho 149: /* task & queue */
150: struct sched_Task {
1.4 misho 151: volatile int task_lock;
1.10 misho 152: uintptr_t task_id;
153: #define TASK_ID(x) ((struct sched_Task*) (x)->task_id)
1.1 misho 154: sched_task_type_t task_type;
1.5 misho 155: #define TASK_TYPE(x) (x)->task_type
1.1 misho 156:
157: sched_root_task_t *task_root;
1.2 misho 158: #define TASK_ROOT(x) (x)->task_root
1.1 misho 159: sched_task_func_t task_func;
1.8 misho 160: #define TASK_FUNC(x) (x)->task_func
1.1 misho 161:
162: void *task_arg;
163: union {
164: unsigned long v;
1.3 misho 165: intptr_t fd;
1.5 misho 166: struct timespec ts;
1.1 misho 167: } task_val;
168: #define TASK_ARG(x) (x)->task_arg
169: #define TASK_VAL(x) (x)->task_val.v
170: #define TASK_FD(x) (x)->task_val.fd
1.5 misho 171: #define TASK_TS(x) (x)->task_val.ts
1.1 misho 172:
173: struct iovec task_data;
174: #define TASK_DATA(x) (x)->task_data.iov_base
175: #define TASK_DATLEN(x) (x)->task_data.iov_len
176:
177: TAILQ_ENTRY(sched_Task) task_node;
178: };
179: typedef TAILQ_HEAD(, sched_Task) sched_queue_t;
1.5 misho 180: #define TASK_DATA_SET(x, _dp, _dl) do { \
181: if ((x)) { \
182: (x)->task_data.iov_base = (_dp); \
183: (x)->task_data.iov_len = _dl; \
184: } \
185: while (0)
1.1 misho 186:
187: /* root task */
188: struct sched_RootTask {
189: int root_kq;
1.5 misho 190: struct timespec root_wait;
191: struct timespec root_poll;
1.6 misho 192: intptr_t root_cond;
193:
1.5 misho 194: pthread_mutex_t root_mtx[taskMAX];
1.1 misho 195:
196: sched_queue_t root_read;
197: sched_queue_t root_write;
198: sched_queue_t root_timer;
1.9 misho 199: sched_queue_t root_alarm;
1.10 misho 200: sched_queue_t root_node;
201: sched_queue_t root_proc;
202: sched_queue_t root_user;
203: sched_queue_t root_signal;
1.1 misho 204: sched_queue_t root_event;
1.10 misho 205: sched_queue_t root_eventlo;
1.10.6.1! misho 206: sched_queue_t root_suspend;
1.1 misho 207: sched_queue_t root_ready;
208: sched_queue_t root_unuse;
209: int root_eventlo_miss;
210:
211: hooks_task_t root_hooks;
212: struct iovec root_data;
213: #define ROOT_DATA(x) (x)->root_data.iov_base
214: #define ROOT_DATLEN(x) (x)->root_data.iov_len
215: };
1.7 misho 216: #define ROOT_QUEUE_EMPTY(x, _q) TAILQ_EMPTY(&((x)->root_##_q))
1.1 misho 217:
218:
1.2 misho 219: inline int sched_GetErrno();
220: inline const char *sched_GetError();
221:
222:
1.1 misho 223: /*
224: * schedInit() - Init scheduler
1.6 misho 225: *
1.1 misho 226: * @data = optional data if !=NULL
227: * @datlen = data len if data is set
228: * return: allocated root task if ok or NULL error
229: */
230: sched_root_task_t *schedInit(void ** __restrict data, size_t datlen);
1.2 misho 231: #define schedBegin() schedInit((void**) &schedRegisterHooks, 0)
1.1 misho 232: /*
233: * schedEnd() - End scheduler & free all resources
1.6 misho 234: *
1.1 misho 235: * @root = root task
236: * return: -1 error or 0 ok
237: */
1.2 misho 238: int schedEnd(sched_root_task_t ** __restrict root);
1.1 misho 239: /*
1.2 misho 240: * schedRegisterHooks() - Register IO handles and bind tasks to it
1.6 misho 241: *
1.1 misho 242: * @root = root task
243: * return: -1 error or 0 ok
244: */
1.2 misho 245: int schedRegisterHooks(sched_root_task_t * __restrict root);
1.1 misho 246: /*
1.5 misho 247: * schedPolling() - Polling timeout period if no timer task is present
1.6 misho 248: *
1.5 misho 249: * @root = root task
250: * @ts = timeout polling period, if ==NULL INFINIT timeout
251: * @tsold = old timeout polling if !=NULL
252: * return: -1 error or 0 ok
253: */
254: inline int schedPolling(sched_root_task_t * __restrict root,
255: struct timespec * __restrict ts, struct timespec * __restrict tsold);
256: /*
1.6 misho 257: * schedTermCondition() - Activate hook for scheduler condition kill
258: *
259: * @root = root task
260: * @condValue = condition value, kill schedRun() if condValue == killState
261: * return: -1 error ok 0 ok
262: */
263: inline int schedTermCondition(sched_root_task_t * __restrict root, intptr_t condValue);
264: /*
1.1 misho 265: * schedCall() - Call task execution function
1.6 misho 266: *
1.1 misho 267: * @task = current task
268: * return: !=NULL error or =NULL ok
269: */
270: inline void *schedCall(sched_task_t * __restrict task);
271: /*
272: * schedFetch() - Fetch ready task
1.6 misho 273: *
1.1 misho 274: * @root = root task
275: * return: =NULL error or !=NULL ready task
276: */
277: inline void *schedFetch(sched_root_task_t * __restrict root);
278: /*
279: * schedRun() - Scheduler *run loop*
1.6 misho 280: *
1.1 misho 281: * @root = root task
1.2 misho 282: * @killState = kill condition variable, if !=0 stop scheduler loop
1.1 misho 283: * return: -1 error or 0 ok
284: */
1.7 misho 285: int schedRun(sched_root_task_t *root, volatile intptr_t * __restrict killState);
1.1 misho 286: /*
287: * schedCancel() - Cancel task from scheduler
1.6 misho 288: *
1.1 misho 289: * @task = task
290: * return: -1 error or 0 ok
291: */
292: int schedCancel(sched_task_t * __restrict task);
293: /*
294: * schedCancelby() - Cancel task from scheduler by criteria
1.6 misho 295: *
1.1 misho 296: * @root = root task
1.5 misho 297: * @type = cancel from queue type, if =taskMAX cancel same task from all queues
1.10 misho 298: * @criteria = find task by criteria
1.10.6.1! misho 299: * [CRITERIA_ANY|CRITERIA_CALL|CRITERIA_ARG|CRITERIA_FD|CRITERIA_VAL|CRITERIA_ID|CRITERIA_TS|CRITERIA_DATA]
1.1 misho 300: * @param = search parameter
301: * @hook = custom cleanup hook function, may be NULL
1.3 misho 302: * return: -1 error, -2 error in sub-stage cancel execution, -3 error from custom hook or 0 ok
1.1 misho 303: */
1.5 misho 304: int schedCancelby(sched_root_task_t * __restrict root, sched_task_type_t type,
1.1 misho 305: u_char criteria, void *param, sched_hook_func_t hook);
306:
307:
308: /*
1.2 misho 309: * schedRead() - Add READ I/O task to scheduler queue
1.6 misho 310: *
1.1 misho 311: * @root = root task
312: * @func = task execution function
313: * @arg = 1st func argument
1.2 misho 314: * @fd = fd handle
1.5 misho 315: * @opt_data = Optional data
316: * @opt_dlen = Optional data length
1.1 misho 317: * return: NULL error or !=NULL new queued task
318: */
1.5 misho 319: sched_task_t *schedRead(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg,
320: int fd, void *opt_data, size_t opt_dlen);
1.8 misho 321: #define schedReadSelf(x) schedRead(TASK_ROOT((x)), TASK_FUNC((x)), TASK_ARG((x)), \
322: TASK_FD((x)), TASK_DATA((x)), TASK_DATLEN((x)))
1.1 misho 323: /*
1.2 misho 324: * schedWrite() - Add WRITE I/O task to scheduler queue
1.6 misho 325: *
1.1 misho 326: * @root = root task
327: * @func = task execution function
328: * @arg = 1st func argument
1.2 misho 329: * @fd = fd handle
1.5 misho 330: * @opt_data = Optional data
331: * @opt_dlen = Optional data length
1.1 misho 332: * return: NULL error or !=NULL new queued task
333: */
1.5 misho 334: sched_task_t *schedWrite(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg,
335: int fd, void *opt_data, size_t opt_dlen);
1.8 misho 336: #define schedWriteSelf(x) schedWrite(TASK_ROOT((x)), TASK_FUNC((x)), TASK_ARG((x)), \
337: TASK_FD((x)), TASK_DATA((x)), TASK_DATLEN((x)))
1.1 misho 338: /*
1.9 misho 339: * schedAlarm() - Add ALARM task to scheduler queue
340: *
341: * @root = root task
342: * @func = task execution function
343: * @arg = 1st func argument
344: * @ts = timeout argument structure, minimum alarm timer resolution is 1msec!
345: * @opt_data = Optional data
346: * @opt_dlen = Optional data length
347: * return: NULL error or !=NULL new queued task
348: */
349: sched_task_t *schedAlarm(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg,
350: struct timespec ts, void *opt_data, size_t opt_dlen);
351: #define schedAlarmSelf(x) schedAlarm(TASK_ROOT((x)), TASK_FUNC((x)), TASK_ARG((x)), \
352: TASK_TS((x)), TASK_DATA((x)), TASK_DATLEN((x)))
353: /*
1.10 misho 354: * schedNode() - Add NODE task to scheduler queue
355: *
356: * @root = root task
357: * @func = task execution function
358: * @arg = 1st func argument
359: * @fd = fd handle
360: * @opt_data = Optional data
361: * @opt_dlen = Optional data length
362: * return: NULL error or !=NULL new queued task
363: */
364: sched_task_t *schedNode(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg,
365: int fd, void *opt_data, size_t opt_dlen);
366: #define schedNodeSelf(x) schedNode(TASK_ROOT((x)), TASK_FUNC((x)), TASK_ARG((x)), \
367: TASK_FD((x)), TASK_DATA((x)), TASK_DATLEN((x)))
368: /*
369: * schedProc() - Add PROC task to scheduler queue
370: *
371: * @root = root task
372: * @func = task execution function
373: * @arg = 1st func argument
374: * @pid = PID
375: * @opt_data = Optional data
376: * @opt_dlen = Optional data length
377: * return: NULL error or !=NULL new queued task
378: */
379: sched_task_t *schedProc(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg,
380: unsigned long pid, void *opt_data, size_t opt_dlen);
381: #define schedProcSelf(x) schedProc(TASK_ROOT((x)), TASK_FUNC((x)), TASK_ARG((x)), \
382: TASK_VAL((x)), TASK_DATA((x)), TASK_DATLEN((x)))
383: /*
384: * schedSignal() - Add SIGNAL task to scheduler queue
385: *
386: * @root = root task
387: * @func = task execution function
388: * @arg = 1st func argument
389: * @sig = Signal
390: * @opt_data = Optional data
391: * @opt_dlen = Optional data length
392: * return: NULL error or !=NULL new queued task
393: */
394: sched_task_t *schedSignal(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg,
395: unsigned long sig, void *opt_data, size_t opt_dlen);
396: #define schedSignalSelf(x) schedSignal(TASK_ROOT((x)), TASK_FUNC((x)), TASK_ARG((x)), \
397: TASK_VAL((x)), TASK_DATA((x)), TASK_DATLEN((x)))
398:
399: /*
400: * schedUser() - Add trigger USER task to scheduler queue
401: *
402: * @root = root task
403: * @func = task execution function
404: * @arg = 1st func argument
405: * @id = Trigger ID
406: * @opt_data = Optional data
407: * @opt_dlen = Optional user's trigger flags
408: * return: NULL error or !=NULL new queued task
409: */
410: sched_task_t *schedUser(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg,
411: unsigned long id, void *opt_data, size_t opt_dlen);
412: #define schedUserSelf(x) schedUser(TASK_ROOT((x)), TASK_FUNC((x)), TASK_ARG((x)), \
413: TASK_VAL((x)), TASK_DATA((x)), TASK_DATLEN((x)))
414: /*
415: * schedTrigger() - Triggering USER task
416: *
417: * @task = task
418: * return: -1 error or 0 ok
419: */
420: int schedTrigger(sched_task_t * __restrict task);
421:
422: /*
1.1 misho 423: * schedTimer() - Add TIMER task to scheduler queue
1.6 misho 424: *
1.1 misho 425: * @root = root task
426: * @func = task execution function
427: * @arg = 1st func argument
1.5 misho 428: * @ts = timeout argument structure
429: * @opt_data = Optional data
430: * @opt_dlen = Optional data length
1.1 misho 431: * return: NULL error or !=NULL new queued task
432: */
1.5 misho 433: sched_task_t *schedTimer(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg,
434: struct timespec ts, void *opt_data, size_t opt_dlen);
1.8 misho 435: #define schedTimerSelf(x) schedTimer(TASK_ROOT((x)), TASK_FUNC((x)), TASK_ARG((x)), \
436: TASK_TS((x)), TASK_DATA((x)), TASK_DATLEN((x)))
1.1 misho 437: /*
438: * schedEvent() - Add EVENT task to scheduler queue
1.6 misho 439: *
1.1 misho 440: * @root = root task
441: * @func = task execution function
442: * @arg = 1st func argument
1.2 misho 443: * @val = additional func argument
1.5 misho 444: * @opt_data = Optional data
445: * @opt_dlen = Optional data length
1.1 misho 446: * return: NULL error or !=NULL new queued task
447: */
1.5 misho 448: sched_task_t *schedEvent(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg,
449: unsigned long val, void *opt_data, size_t opt_dlen);
1.8 misho 450: #define schedEventSelf(x) schedEvent(TASK_ROOT((x)), TASK_FUNC((x)), TASK_ARG((x)), \
451: TASK_VAL((x)), TASK_DATA((x)), TASK_DATLEN((x)))
1.1 misho 452: /*
453: * schedEventLo() - Add EVENT_Lo task to scheduler queue
1.6 misho 454: *
1.1 misho 455: * @root = root task
456: * @func = task execution function
457: * @arg = 1st func argument
1.2 misho 458: * @val = additional func argument
1.5 misho 459: * @opt_data = Optional data
460: * @opt_dlen = Optional data length
1.1 misho 461: * return: NULL error or !=NULL new queued task
462: */
1.5 misho 463: sched_task_t *schedEventLo(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg,
464: unsigned long val, void *opt_data, size_t opt_dlen);
1.8 misho 465: #define schedEventLoSelf(x) schedEventLo(TASK_ROOT((x)), TASK_FUNC((x)), TASK_ARG((x)), \
466: TASK_VAL((x)), TASK_DATA((x)), TASK_DATLEN((x)))
1.10.6.1! misho 467: /*
! 468: * schedSuspend() - Add Suspended task to scheduler queue
! 469: *
! 470: * @root = root task
! 471: * @func = task execution function
! 472: * @arg = 1st func argument
! 473: * @id = Trigger ID
! 474: * @opt_data = Optional data
! 475: * @opt_dlen = Optional user's trigger flags
! 476: * return: NULL error or !=NULL new queued task
! 477: */
! 478: sched_task_t *schedSuspend(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg,
! 479: unsigned long id, void *opt_data, size_t opt_dlen);
! 480: #define schedSuspendSelf(x) schedUser(TASK_ROOT((x)), TASK_FUNC((x)), TASK_ARG((x)), \
! 481: TASK_VAL((x)), TASK_DATA((x)), TASK_DATLEN((x)))
! 482: /*
! 483: * schedResumeby() - Resume suspended task
! 484: *
! 485: * @root = root task
! 486: * @criteria = find task by criteria
! 487: * [CRITERIA_ANY|CRITERIA_ID|CRITERIA_DATA]
! 488: * @param = search parameter (sched_task_t *task| u_long id)
! 489: * return: -1 error or 0 resumed ok
! 490: */
! 491: int schedResumeby(sched_root_task_t * __restrict root, unsigned char criteria, void *param);
1.10 misho 492:
1.1 misho 493: /*
494: * schedCallOnce() - Call once from scheduler
1.6 misho 495: *
1.1 misho 496: * @root = root task
497: * @func = task execution function
498: * @arg = 1st func argument
1.2 misho 499: * @val = additional func argument
1.5 misho 500: * @opt_data = Optional data
501: * @opt_dlen = Optional data length
1.2 misho 502: * return: return value from called func
1.1 misho 503: */
1.5 misho 504: sched_task_t *schedCallOnce(sched_root_task_t * __restrict root, sched_task_func_t func, void *arg,
505: unsigned long val, void *opt_data, size_t opt_dlen);
1.8 misho 506: #define schedCallAgain(x) schedCallOnce(TASK_ROOT((x)), TASK_FUNC((x)), TASK_ARG((x)), \
507: TASK_VAL((x)), TASK_DATA((x)), TASK_DATLEN((x)))
1.1 misho 508:
509:
510: #endif
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