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Annotation of libaitsched/inc/hooks.h, revision 1.5

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 $
1.5     ! misho       6: * $Id: hooks.h,v 1.4.4.1 2012/05/30 08:07:44 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: 
1.4       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 __HOOKS_H
                     47: #define __HOOKS_H
                     48: 
                     49: 
                     50: /*
                     51:  * sched_hook_init() - Default INIT hook
                     52:  * @root = root task
1.4       misho      53:  * @arg = unused
1.1       misho      54:  * return: <0 errors and 0 ok
                     55:  */
1.4       misho      56: void *sched_hook_init(void *root, void *arg __unused);
1.1       misho      57: 
                     58: /*
                     59:  * sched_hook_fini() - Default FINI hook
                     60:  * @root = root task
                     61:  * @arg = unused
                     62:  * return: <0 errors and 0 ok
                     63:  */
                     64: void *sched_hook_fini(void *root, void *arg __unused);
                     65: 
                     66: /*
                     67:  * sched_hook_fetch() - Default FETCH hook
                     68:  * @root = root task
                     69:  * @arg = unused
                     70:  * return: NULL error or !=NULL fetched task
                     71:  */
                     72: void *sched_hook_fetch(void *root, void *arg __unused);
                     73: 
                     74: /*
                     75:  * sched_hook_cancel() - Default CANCEL hook
                     76:  * @task = current task
                     77:  * @arg = unused
                     78:  * return: <0 errors and 0 ok
                     79:  */
                     80: void *sched_hook_cancel(void *task, void *arg __unused);
                     81: 
                     82: /*
                     83:  * sched_hook_read() - Default READ hook
                     84:  * @task = current task
                     85:  * @arg = unused
                     86:  * return: <0 errors and 0 ok
                     87:  */
                     88: void *sched_hook_read(void *task, void *arg __unused);
                     89: 
                     90: /*
                     91:  * sched_hook_write() - Default WRITE hook
                     92:  * @task = current task
                     93:  * @arg = unused
                     94:  * return: <0 errors and 0 ok
                     95:  */
                     96: void *sched_hook_write(void *task, void *arg __unused);
                     97: 
1.2       misho      98: /*
1.5     ! misho      99:  * sched_hook_alarm() - Default ALARM hook
        !           100:  *
        !           101:  * @task = current task
        !           102:  * @arg = unused
        !           103:  * return: <0 errors and 0 ok
        !           104:  */
        !           105: void *sched_hook_alarm(void *task, void *arg __unused);
        !           106: 
        !           107: /*
1.2       misho     108:  * sched_hook_exception() - Default EXCEPTION hook
                    109:  * @root = root task
                    110:  * @arg = custom handling: if arg == EV_EOF or other value; default: arg == NULL log errno
                    111:  * return: <0 errors and 0 ok
                    112:  */
                    113: void *sched_hook_exception(void *root, void *arg);
                    114: 
1.3       misho     115: /*
                    116:  * sched_hook_condition() - Default CONDITION hook
                    117:  *
                    118:  * @root = root task
                    119:  * @arg = killState from schedRun()
                    120:  * return: NULL kill scheduler loop or !=NULL ok
                    121:  */
                    122: void *sched_hook_condition(void *root, void *arg);
                    123: 
1.1       misho     124: 
                    125: #endif