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Annotation of libaitsched/inc/defs.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: defs.h,v 1.4.2.1 2012/03/13 10:00:37 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: 
1.5     ! 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 __DEFS_H
                     47: #define __DEFS_H
                     48: 
                     49: 
                     50: #define STRSIZ                 256
                     51: #define KQ_EVENTS              24
                     52: #define MAX_EVENTLO_MISS       48
                     53: 
                     54: #define LOGERR { \
                     55:                        sched_Errno = errno; \
                     56:                        strlcpy(sched_Error, strerror(errno), STRSIZ); \
                     57:                }
                     58: 
1.4       misho      59: #define sched_timespecclear(tsp)       ((tsp)->tv_sec = (tsp)->tv_nsec = 0)
                     60: #define sched_timespecinf(tsp)         ((tsp)->tv_sec = (tsp)->tv_nsec = -1)
                     61: #define sched_timespecisinf(tsp)       ((tsp)->tv_sec == -1 && (tsp)->tv_nsec == -1)
                     62: #define sched_timespecisset(tsp)       (((tsp)->tv_sec && (tsp)->tv_sec != -1) || \
                     63:                                                ((tsp)->tv_nsec && (tsp)->tv_nsec != -1))
                     64: #define sched_timespeccmp(tsp, usp, cmp)                               \
                     65:        (((tsp)->tv_sec == (usp)->tv_sec) ?                             \
                     66:                ((tsp)->tv_nsec cmp (usp)->tv_nsec) :                   \
                     67:                ((tsp)->tv_sec cmp (usp)->tv_sec))
                     68: #define sched_timespecadd(tsp, usp, vsp)                               \
                     69:        do {                                                            \
                     70:                (vsp)->tv_sec = (tsp)->tv_sec + (usp)->tv_sec;          \
                     71:                (vsp)->tv_nsec = (tsp)->tv_nsec + (usp)->tv_nsec;       \
                     72:                if ((vsp)->tv_nsec >= 1000000000L) {                    \
                     73:                        (vsp)->tv_sec++;                                \
                     74:                        (vsp)->tv_nsec -= 1000000000L;                  \
                     75:                }                                                       \
                     76:        } while (0)
                     77: #define sched_timespecsub(tsp, usp, vsp)                               \
                     78:        do {                                                            \
                     79:                (vsp)->tv_sec = (tsp)->tv_sec - (usp)->tv_sec;          \
                     80:                (vsp)->tv_nsec = (tsp)->tv_nsec - (usp)->tv_nsec;       \
                     81:                if ((vsp)->tv_nsec < 0) {                               \
                     82:                        (vsp)->tv_sec--;                                \
                     83:                        (vsp)->tv_nsec += 1000000000L;                  \
                     84:                }                                                       \
                     85:        } while (0)
1.1       misho      86: 
                     87: extern int sched_Errno;
                     88: extern char sched_Error[];
                     89: 
1.2       misho      90: inline void sched_SetErr(int, char *, ...);
1.1       misho      91: 
1.3       misho      92: inline sched_task_t *_sched_useTask(sched_root_task_t * __restrict root);
                     93: inline sched_task_t *_sched_unuseTask(sched_task_t * __restrict task);
                     94: 
1.1       misho      95: 
                     96: #endif