xref: /dragonfly/sys/sys/posix4.h (revision 25a2db75)
1 #ifndef _P1003_1B_P1003_1B_H_
2 #define _P1003_1B_P1003_1B_H_
3 /*-
4  * Copyright (c) 1996, 1997, 1998
5  *	HD Associates, Inc.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by HD Associates, Inc
18  * 4. Neither the name of the author nor the names of any co-contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY HD ASSOCIATES AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL HD ASSOCIATES OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  *
34  * $FreeBSD: src/sys/posix4/posix4.h,v 1.6 1999/12/27 10:22:09 bde Exp $
35  * $DragonFly: src/sys/sys/posix4.h,v 1.8 2007/06/26 19:31:10 dillon Exp $
36  */
37 
38 #include "opt_posix.h"
39 
40 #include <sys/param.h>
41 #include <sys/malloc.h>
42 #include <sys/sched.h>
43 
44 MALLOC_DECLARE(M_P31B);
45 
46 #define p31b_malloc(SIZE) kmalloc((SIZE), M_P31B, M_WAITOK)
47 #define p31b_free(P) kfree((P), M_P31B)
48 
49 struct proc;
50 struct lwp;
51 
52 int p31b_proc (struct proc *, pid_t, struct proc **);
53 
54 void p31b_setcfg (int, int);
55 
56 #ifdef _KPOSIX_PRIORITY_SCHEDULING
57 
58 /*
59  * KSCHED_OP_RW is a vector of read/write flags for each entry indexed
60  * by the enum ksched_op.
61  *
62  * 1 means you need write access, 0 means read is sufficient.
63  */
64 
65 enum ksched_op {
66 
67 #define KSCHED_OP_RW { 1, 0, 1, 0, 0, 0, 0, 0 }
68 
69 	SCHED_SETPARAM,
70 	SCHED_GETPARAM,
71 	SCHED_SETSCHEDULER,
72 	SCHED_GETSCHEDULER,
73 	SCHED_YIELD,
74 	SCHED_GET_PRIORITY_MAX,
75 	SCHED_GET_PRIORITY_MIN,
76 	SCHED_RR_GET_INTERVAL,
77 	SCHED_OP_MAX
78 };
79 
80 struct ksched;
81 
82 int ksched_attach(struct ksched **);
83 int ksched_detach(struct ksched *);
84 
85 int ksched_setparam(register_t *, struct ksched *,
86 	struct lwp *, const struct sched_param *);
87 int ksched_getparam(register_t *, struct ksched *,
88 	struct lwp *, struct sched_param *);
89 
90 int ksched_setscheduler(register_t *, struct ksched *,
91 	struct lwp *, int, const struct sched_param *);
92 int ksched_getscheduler(register_t *, struct ksched *, struct lwp *);
93 
94 int ksched_yield(register_t *, struct ksched *);
95 
96 int ksched_get_priority_max(register_t *, struct ksched *, int);
97 int ksched_get_priority_min(register_t *, struct ksched *, int);
98 
99 int ksched_rr_get_interval(register_t *, struct ksched *,
100 	struct lwp *, struct timespec *);
101 
102 #endif /* _KPOSIX_PRIORITY_SCHEDULING */
103 
104 #endif /* _P1003_1B_P1003_1B_H_ */
105