FreeBSD/Linux Kernel Cross Reference
sys/sys/posix4.h
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 * $FreeBSD$
35 */
36
37 #include <sys/param.h>
38 #include <sys/ioccom.h>
39 #include <sys/malloc.h>
40 #include <sys/sched.h>
41
42 /* Generate syscall stubs for when something is optionally
43 * loadable as a module. References "syscall_not_present".
44 * XXX Good candidate for sys/syscall.h
45 */
46 struct proc;
47 struct nosys_args;
48 extern int syscall_not_present(struct thread *, const char *, struct nosys_args *);
49
50 #define SYSCALL_NOT_PRESENT_GEN(SC) \
51 int sys_ ## SC (struct thread *td, struct SC##_args *uap) \
52 { \
53 return syscall_not_present(td, #SC , (struct nosys_args *)uap); \
54 }
55
56
57 MALLOC_DECLARE(M_P31B);
58
59 int p31b_proc(struct proc *, pid_t, struct proc **);
60
61 void p31b_setcfg(int, int);
62 int p31b_getcfg(int);
63 int p31b_iscfg(int);
64 void p31b_unsetcfg(int);
65
66 #ifdef _KPOSIX_PRIORITY_SCHEDULING
67
68 /*
69 * KSCHED_OP_RW is a vector of read/write flags for each entry indexed
70 * by the enum ksched_op.
71 *
72 * 1 means you need write access, 0 means read is sufficient.
73 */
74
75 enum ksched_op {
76
77 #define KSCHED_OP_RW { 1, 0, 1, 0, 0, 0, 0, 0 }
78
79 SCHED_SETPARAM,
80 SCHED_GETPARAM,
81 SCHED_SETSCHEDULER,
82 SCHED_GETSCHEDULER,
83 SCHED_YIELD,
84 SCHED_GET_PRIORITY_MAX,
85 SCHED_GET_PRIORITY_MIN,
86 SCHED_RR_GET_INTERVAL,
87 SCHED_OP_MAX
88 };
89
90 struct ksched;
91
92 int ksched_attach(struct ksched **);
93 int ksched_detach(struct ksched *);
94
95 int ksched_setparam(struct ksched *,
96 struct thread *, const struct sched_param *);
97 int ksched_getparam(struct ksched *,
98 struct thread *, struct sched_param *);
99
100 int ksched_setscheduler(struct ksched *,
101 struct thread *, int, const struct sched_param *);
102 int ksched_getscheduler(struct ksched *, struct thread *, int *);
103
104 int ksched_yield(struct ksched *);
105
106 int ksched_get_priority_max(struct ksched *, int, int *);
107 int ksched_get_priority_min(struct ksched *, int, int *);
108
109 int ksched_rr_get_interval(struct ksched *,
110 struct thread *, struct timespec *);
111
112 #endif /* _KPOSIX_PRIORITY_SCHEDULING */
113
114 #endif /* _P1003_1B_P1003_1B_H_ */
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