Annotation of libaitsched/inc/defs.h, revision 1.16
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 $
1.16 ! misho 6: * $Id: defs.h,v 1.15.4.1 2015/07/19 23:19:41 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:
1.15 misho 15: Copyright 2004 - 2015
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:
1.7 misho 50: #ifndef STRSIZ
1.1 misho 51: #define STRSIZ 256
1.7 misho 52: #endif
53:
1.10 misho 54: #ifndef KQ_EVENTS
1.6 misho 55: #define KQ_EVENTS 32
1.10 misho 56: #endif
57:
1.12 misho 58: #ifndef EV_EOF
59: #define EV_EOF 0x8000
60: #endif
61:
1.13 misho 62: #ifndef SIGRTMIN
63: #define SIGRTMIN 65
64: #endif
65:
1.14 misho 66: #ifndef FIONWRITE
67: #define FIONWRITE SIOCOUTQ
68: #endif
69:
70: #ifndef TIMER_RELTIME
71: #define TIMER_RELTIME 0
72: #endif
73:
74: #ifndef EV_EOF
75: #define EV_EOF 0x8000 /* EOF detected */
76: #endif
77: #ifndef EV_ERROR
78: #define EV_ERROR 0x4000 /* error, data contains errno */
79: #endif
80:
81: #ifndef __unused
82: #define __unused __attribute__((unused))
83: #endif
84:
1.8 misho 85: #define MAX_TASK_MISS 12
1.1 misho 86:
87: #define LOGERR { \
88: sched_Errno = errno; \
89: strlcpy(sched_Error, strerror(errno), STRSIZ); \
90: }
91:
1.14 misho 92: #ifndef HAVE_LIBPTHREAD
93: #define pthread_mutex_lock(x)
94: #define pthread_mutex_unlock(x)
95: #endif
96:
1.16 ! misho 97: #define SCHED_QTRYLOCK(r, x) pthread_mutex_trylock(&(r)->root_mtx[(x)])
1.14 misho 98: #define SCHED_QLOCK(r, x) pthread_mutex_lock(&(r)->root_mtx[(x)])
99: #define SCHED_QUNLOCK(r, x) pthread_mutex_unlock(&(r)->root_mtx[(x)])
100:
1.4 misho 101: #define sched_timespecclear(tsp) ((tsp)->tv_sec = (tsp)->tv_nsec = 0)
102: #define sched_timespecinf(tsp) ((tsp)->tv_sec = (tsp)->tv_nsec = -1)
103: #define sched_timespecisinf(tsp) ((tsp)->tv_sec == -1 && (tsp)->tv_nsec == -1)
104: #define sched_timespecisset(tsp) (((tsp)->tv_sec && (tsp)->tv_sec != -1) || \
105: ((tsp)->tv_nsec && (tsp)->tv_nsec != -1))
106: #define sched_timespeccmp(tsp, usp, cmp) \
107: (((tsp)->tv_sec == (usp)->tv_sec) ? \
108: ((tsp)->tv_nsec cmp (usp)->tv_nsec) : \
109: ((tsp)->tv_sec cmp (usp)->tv_sec))
110: #define sched_timespecadd(tsp, usp, vsp) \
111: do { \
112: (vsp)->tv_sec = (tsp)->tv_sec + (usp)->tv_sec; \
113: (vsp)->tv_nsec = (tsp)->tv_nsec + (usp)->tv_nsec; \
114: if ((vsp)->tv_nsec >= 1000000000L) { \
115: (vsp)->tv_sec++; \
116: (vsp)->tv_nsec -= 1000000000L; \
117: } \
118: } while (0)
119: #define sched_timespecsub(tsp, usp, vsp) \
120: do { \
121: (vsp)->tv_sec = (tsp)->tv_sec - (usp)->tv_sec; \
122: (vsp)->tv_nsec = (tsp)->tv_nsec - (usp)->tv_nsec; \
123: if ((vsp)->tv_nsec < 0) { \
124: (vsp)->tv_sec--; \
125: (vsp)->tv_nsec += 1000000000L; \
126: } \
127: } while (0)
1.1 misho 128:
1.12 misho 129: #define sched_timespec2val(tsp, tvp) ((tvp)->tv_sec = (tsp)->tv_sec, \
130: (tvp)->tv_usec = (tsp)->tv_nsec / 1000)
131: #define sched_timeval2spec(tvp, tsp) ((tsp)->tv_sec = (tvp)->tv_sec, \
132: (tsp)->tv_nsec = (tvp)->tv_usec * 1000)
133:
134: #define sched_timevalclear(tvp) ((tvp)->tv_sec = (tvp)->tv_usec = 0)
135: #define sched_timevalinf(tvp) ((tvp)->tv_sec = (tvp)->tv_usec = -1)
136: #define sched_timevalisinf(tvp) ((tvp)->tv_sec == -1 && (tvp)->tv_usec == -1)
137: #define sched_timevalisset(tvp) (((tvp)->tv_sec && (tvp)->tv_sec != -1) || \
138: ((tvp)->tv_usec && (tvp)->tv_usec != -1))
139: #define sched_timevalcmp(tvp, uvp, cmp) \
140: (((tvp)->tv_sec == (uvp)->tv_sec) ? \
141: ((tvp)->tv_usec cmp (uvp)->tv_usec) : \
142: ((tvp)->tv_sec cmp (uvp)->tv_sec))
143: #define sched_timevaladd(tvp, uvp, vvp) \
144: do { \
145: (vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \
146: (vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \
147: if ((vvp)->tv_usec >= 1000000) { \
148: (vvp)->tv_sec++; \
149: (vvp)->tv_usec -= 1000000; \
150: } \
151: } while (0)
152: #define sched_timevalsub(tvp, uvp, vvp) \
153: do { \
154: (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \
155: (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \
156: if ((vvp)->tv_usec < 0) { \
157: (vvp)->tv_sec--; \
158: (vvp)->tv_usec += 1000000; \
159: } \
160: } while (0)
161:
162:
1.14 misho 163: #ifndef HAVE_STRLCAT
164: size_t strlcat(char * __restrict dst, const char * __restrict src, size_t siz);
165: #endif
166: #ifndef HAVE_STRLCPY
167: size_t strlcpy(char * __restrict dst, const char * __restrict src, size_t siz);
168: #endif
169:
170:
1.1 misho 171: extern int sched_Errno;
172: extern char sched_Error[];
173:
1.12 misho 174: void sched_SetErr(int, char *, ...);
1.1 misho 175:
1.14 misho 176:
177: static inline void
178: remove_task_from(sched_task_t * __restrict t, sched_queue_t * __restrict q)
179: {
180: assert(t && q);
181:
182: SCHED_QLOCK(TASK_ROOT(t), TASK_TYPE(t));
183: TAILQ_REMOVE(q, t, task_node);
184: SCHED_QUNLOCK(TASK_ROOT(t), TASK_TYPE(t));
185: }
186:
187: static inline void
188: insert_task_to(sched_task_t * __restrict t, sched_queue_t * __restrict q)
189: {
190: assert(t && q);
191:
192: SCHED_QLOCK(TASK_ROOT(t), TASK_TYPE(t));
193: TAILQ_INSERT_TAIL(q, t, task_node);
194: SCHED_QUNLOCK(TASK_ROOT(t), TASK_TYPE(t));
195: }
196:
197: static inline void
198: transit_task2unuse(sched_task_t * __restrict t, sched_queue_t * __restrict q)
199: {
200: assert(t && q);
201:
202: remove_task_from(t, q);
203:
204: TASK_UNLOCK(t);
205: TASK_TYPE(t) = taskUNUSE;
206: insert_task_to(t, &(TASK_ROOT(t))->root_unuse);
207: }
1.3 misho 208:
1.1 misho 209:
210: #endif
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