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Initial revision

    1: /*************************************************************************
    2: * (C) 2011 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
    3: *  by Michael Pounov <misho@openbsd-bg.org>
    4: *
    5: * $Author: misho $
    6: * $Id: hooks.h,v 1.1 2011/08/05 15:52:00 misho Exp $
    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: 
   15: Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
   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: struct sched_IO {
   51: 	fd_set		rfd;
   52: 	fd_set		wfd;
   53: 	fd_set		xfd;
   54: 	struct timeval	timeout;
   55: };
   56: 
   57: 
   58: /*
   59:  * sched_hook_init() - Default INIT hook
   60:  * @root = root task
   61:  * @data = optional data if !=NULL
   62:  * return: <0 errors and 0 ok
   63:  */
   64: void *sched_hook_init(void *root, void *data);
   65: 
   66: /*
   67:  * sched_hook_fini() - Default FINI hook
   68:  * @root = root task
   69:  * @arg = unused
   70:  * return: <0 errors and 0 ok
   71:  */
   72: void *sched_hook_fini(void *root, void *arg __unused);
   73: 
   74: /*
   75:  * sched_hook_fetch() - Default FETCH hook
   76:  * @root = root task
   77:  * @arg = unused
   78:  * return: NULL error or !=NULL fetched task
   79:  */
   80: void *sched_hook_fetch(void *root, void *arg __unused);
   81: 
   82: /*
   83:  * sched_hook_cancel() - Default CANCEL hook
   84:  * @task = current task
   85:  * @arg = unused
   86:  * return: <0 errors and 0 ok
   87:  */
   88: void *sched_hook_cancel(void *task, void *arg __unused);
   89: 
   90: /*
   91:  * sched_hook_read() - Default READ hook
   92:  * @task = current task
   93:  * @arg = unused
   94:  * return: <0 errors and 0 ok
   95:  */
   96: void *sched_hook_read(void *task, void *arg __unused);
   97: 
   98: /*
   99:  * sched_hook_write() - Default WRITE hook
  100:  * @task = current task
  101:  * @arg = unused
  102:  * return: <0 errors and 0 ok
  103:  */
  104: void *sched_hook_write(void *task, void *arg __unused);
  105: 
  106: 
  107: #endif