FreeBSD/Linux Kernel Cross Reference
sys/posix4/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 */
35
36 #include "opt_posix.h"
37
38 #include <sys/param.h>
39 #include <sys/ioccom.h>
40 #include <sys/malloc.h>
41 #include <posix4/sched.h>
42
43 /* Generate syscall stubs for when something is optionally
44 * LKM'd. References "syscall_not_present".
45 * XXX Good candidate for sys/syscall.h
46 */
47 struct proc;
48 struct nosys_args;
49 extern int syscall_not_present(struct proc *, const char *, struct nosys_args *);
50
51 #define SYSCALL_NOT_PRESENT_GEN(SC) \
52 int SC (struct proc *p, struct SC##_args *uap) \
53 { \
54 return syscall_not_present(p, #SC , (struct nosys_args *)uap); \
55 }
56
57
58 MALLOC_DECLARE(M_P31B);
59
60 #define p31b_malloc(SIZE) malloc((SIZE), M_P31B, M_WAITOK)
61 #define p31b_free(P) free((P), M_P31B)
62
63 int p31b_proc __P((struct proc *, pid_t, struct proc **));
64
65 void p31b_setcfg __P((int, int));
66
67 #ifdef _KPOSIX_PRIORITY_SCHEDULING
68
69 /*
70 * KSCHED_OP_RW is a vector of read/write flags for each entry indexed
71 * by the enum ksched_op.
72 *
73 * 1 means you need write access, 0 means read is sufficient.
74 */
75
76 enum ksched_op {
77
78 #define KSCHED_OP_RW { 1, 0, 1, 0, 0, 0, 0, 0 }
79
80 SCHED_SETPARAM,
81 SCHED_GETPARAM,
82 SCHED_SETSCHEDULER,
83 SCHED_GETSCHEDULER,
84 SCHED_YIELD,
85 SCHED_GET_PRIORITY_MAX,
86 SCHED_GET_PRIORITY_MIN,
87 SCHED_RR_GET_INTERVAL,
88 SCHED_OP_MAX
89 };
90
91 struct ksched;
92
93 int ksched_attach(struct ksched **);
94 int ksched_detach(struct ksched *);
95
96 int ksched_setparam(int *, struct ksched *,
97 struct proc *, const struct sched_param *);
98 int ksched_getparam(int *, struct ksched *,
99 struct proc *, struct sched_param *);
100
101 int ksched_setscheduler(int *, struct ksched *,
102 struct proc *, int, const struct sched_param *);
103 int ksched_getscheduler(int *, struct ksched *, struct proc *);
104
105 int ksched_yield(int *, struct ksched *);
106
107 int ksched_get_priority_max(int *, struct ksched *, int);
108 int ksched_get_priority_min(int *, struct ksched *, int);
109
110 int ksched_rr_get_interval(int *, struct ksched *, struct proc *, struct timespec *);
111
112 #endif /* _KPOSIX_PRIORITY_SCHEDULING */
113
114 #endif /* _P1003_1B_P1003_1B_H_ */
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