1*7c478bd9Sstevel@tonic-gate /*-
2*7c478bd9Sstevel@tonic-gate * See the file LICENSE for redistribution information.
3*7c478bd9Sstevel@tonic-gate *
4*7c478bd9Sstevel@tonic-gate * Copyright (c) 1997, 1998
5*7c478bd9Sstevel@tonic-gate * Sleepycat Software. All rights reserved.
6*7c478bd9Sstevel@tonic-gate */
7*7c478bd9Sstevel@tonic-gate
8*7c478bd9Sstevel@tonic-gate #include "config.h"
9*7c478bd9Sstevel@tonic-gate
10*7c478bd9Sstevel@tonic-gate #ifndef lint
11*7c478bd9Sstevel@tonic-gate static const char sccsid[] = "@(#)os_config.c 10.30 (Sleepycat) 10/12/98";
12*7c478bd9Sstevel@tonic-gate #endif /* not lint */
13*7c478bd9Sstevel@tonic-gate
14*7c478bd9Sstevel@tonic-gate #ifndef NO_SYSTEM_INCLUDES
15*7c478bd9Sstevel@tonic-gate #include <sys/types.h>
16*7c478bd9Sstevel@tonic-gate
17*7c478bd9Sstevel@tonic-gate #include <errno.h>
18*7c478bd9Sstevel@tonic-gate #endif
19*7c478bd9Sstevel@tonic-gate
20*7c478bd9Sstevel@tonic-gate #include "db_int.h"
21*7c478bd9Sstevel@tonic-gate #include "os_jump.h"
22*7c478bd9Sstevel@tonic-gate
23*7c478bd9Sstevel@tonic-gate struct __db_jumptab __db_jump;
24*7c478bd9Sstevel@tonic-gate
25*7c478bd9Sstevel@tonic-gate DB_GLOBALS __db_global_values = {
26*7c478bd9Sstevel@tonic-gate 1, /* DB_MUTEXLOCKS */
27*7c478bd9Sstevel@tonic-gate 0, /* DB_PAGEYIELD */
28*7c478bd9Sstevel@tonic-gate 0, /* DB_REGION_ANON, DB_REGION_NAME */
29*7c478bd9Sstevel@tonic-gate 0, /* DB_REGION_INIT */
30*7c478bd9Sstevel@tonic-gate 0, /* DB_TSL_SPINS */
31*7c478bd9Sstevel@tonic-gate {NULL, &__db_global_values.db_envq.tqh_first}, /* Environemnt queue */
32*7c478bd9Sstevel@tonic-gate {NULL, &__db_global_values.db_nameq.tqh_first} /* Name queue */
33*7c478bd9Sstevel@tonic-gate };
34*7c478bd9Sstevel@tonic-gate
35*7c478bd9Sstevel@tonic-gate /*
36*7c478bd9Sstevel@tonic-gate * db_jump_set --
37*7c478bd9Sstevel@tonic-gate * Replace functions for the DB package.
38*7c478bd9Sstevel@tonic-gate */
39*7c478bd9Sstevel@tonic-gate int
db_jump_set(func,which)40*7c478bd9Sstevel@tonic-gate db_jump_set(func, which)
41*7c478bd9Sstevel@tonic-gate void *func;
42*7c478bd9Sstevel@tonic-gate int which;
43*7c478bd9Sstevel@tonic-gate {
44*7c478bd9Sstevel@tonic-gate switch (which) {
45*7c478bd9Sstevel@tonic-gate case DB_FUNC_CLOSE:
46*7c478bd9Sstevel@tonic-gate __db_jump.j_close = (int (*) __P((int)))func;
47*7c478bd9Sstevel@tonic-gate break;
48*7c478bd9Sstevel@tonic-gate case DB_FUNC_DIRFREE:
49*7c478bd9Sstevel@tonic-gate __db_jump.j_dirfree = (void (*) __P((char **, int)))func;
50*7c478bd9Sstevel@tonic-gate break;
51*7c478bd9Sstevel@tonic-gate case DB_FUNC_DIRLIST:
52*7c478bd9Sstevel@tonic-gate __db_jump.j_dirlist =
53*7c478bd9Sstevel@tonic-gate (int (*) __P((const char *, char ***, int *)))func;
54*7c478bd9Sstevel@tonic-gate break;
55*7c478bd9Sstevel@tonic-gate case DB_FUNC_EXISTS:
56*7c478bd9Sstevel@tonic-gate __db_jump.j_exists = (int (*) __P((const char *, int *)))func;
57*7c478bd9Sstevel@tonic-gate break;
58*7c478bd9Sstevel@tonic-gate case DB_FUNC_FREE:
59*7c478bd9Sstevel@tonic-gate __db_jump.j_free = (void (*) __P((void *)))func;
60*7c478bd9Sstevel@tonic-gate break;
61*7c478bd9Sstevel@tonic-gate case DB_FUNC_FSYNC:
62*7c478bd9Sstevel@tonic-gate __db_jump.j_fsync = (int (*) __P((int)))func;
63*7c478bd9Sstevel@tonic-gate break;
64*7c478bd9Sstevel@tonic-gate case DB_FUNC_IOINFO:
65*7c478bd9Sstevel@tonic-gate __db_jump.j_ioinfo = (int (*) __P((const char *,
66*7c478bd9Sstevel@tonic-gate int, u_int32_t *, u_int32_t *, u_int32_t *)))func;
67*7c478bd9Sstevel@tonic-gate break;
68*7c478bd9Sstevel@tonic-gate case DB_FUNC_MALLOC:
69*7c478bd9Sstevel@tonic-gate __db_jump.j_malloc = (void *(*) __P((size_t)))func;
70*7c478bd9Sstevel@tonic-gate break;
71*7c478bd9Sstevel@tonic-gate case DB_FUNC_MAP:
72*7c478bd9Sstevel@tonic-gate __db_jump.j_map = (int (*)
73*7c478bd9Sstevel@tonic-gate __P((char *, int, size_t, int, int, int, void **)))func;
74*7c478bd9Sstevel@tonic-gate break;
75*7c478bd9Sstevel@tonic-gate case DB_FUNC_OPEN:
76*7c478bd9Sstevel@tonic-gate __db_jump.j_open = (int (*) __P((const char *, int, ...)))func;
77*7c478bd9Sstevel@tonic-gate break;
78*7c478bd9Sstevel@tonic-gate case DB_FUNC_READ:
79*7c478bd9Sstevel@tonic-gate __db_jump.j_read =
80*7c478bd9Sstevel@tonic-gate (ssize_t (*) __P((int, void *, size_t)))func;
81*7c478bd9Sstevel@tonic-gate break;
82*7c478bd9Sstevel@tonic-gate case DB_FUNC_REALLOC:
83*7c478bd9Sstevel@tonic-gate __db_jump.j_realloc = (void *(*) __P((void *, size_t)))func;
84*7c478bd9Sstevel@tonic-gate break;
85*7c478bd9Sstevel@tonic-gate case DB_FUNC_RUNLINK:
86*7c478bd9Sstevel@tonic-gate __db_jump.j_runlink = (int (*) __P((char *)))func;
87*7c478bd9Sstevel@tonic-gate break;
88*7c478bd9Sstevel@tonic-gate case DB_FUNC_SEEK:
89*7c478bd9Sstevel@tonic-gate __db_jump.j_seek = (int (*)
90*7c478bd9Sstevel@tonic-gate __P((int, size_t, db_pgno_t, u_int32_t, int, int)))func;
91*7c478bd9Sstevel@tonic-gate break;
92*7c478bd9Sstevel@tonic-gate case DB_FUNC_SLEEP:
93*7c478bd9Sstevel@tonic-gate __db_jump.j_sleep = (int (*) __P((u_long, u_long)))func;
94*7c478bd9Sstevel@tonic-gate break;
95*7c478bd9Sstevel@tonic-gate case DB_FUNC_UNLINK:
96*7c478bd9Sstevel@tonic-gate __db_jump.j_unlink = (int (*) __P((const char *)))func;
97*7c478bd9Sstevel@tonic-gate break;
98*7c478bd9Sstevel@tonic-gate case DB_FUNC_UNMAP:
99*7c478bd9Sstevel@tonic-gate __db_jump.j_unmap = (int (*) __P((void *, size_t)))func;
100*7c478bd9Sstevel@tonic-gate break;
101*7c478bd9Sstevel@tonic-gate case DB_FUNC_WRITE:
102*7c478bd9Sstevel@tonic-gate __db_jump.j_write =
103*7c478bd9Sstevel@tonic-gate (ssize_t (*) __P((int, const void *, size_t)))func;
104*7c478bd9Sstevel@tonic-gate break;
105*7c478bd9Sstevel@tonic-gate case DB_FUNC_YIELD:
106*7c478bd9Sstevel@tonic-gate __db_jump.j_yield = (int (*) __P((void)))func;
107*7c478bd9Sstevel@tonic-gate break;
108*7c478bd9Sstevel@tonic-gate default:
109*7c478bd9Sstevel@tonic-gate return (EINVAL);
110*7c478bd9Sstevel@tonic-gate }
111*7c478bd9Sstevel@tonic-gate return (0);
112*7c478bd9Sstevel@tonic-gate }
113*7c478bd9Sstevel@tonic-gate
114*7c478bd9Sstevel@tonic-gate /*
115*7c478bd9Sstevel@tonic-gate * db_value_set --
116*7c478bd9Sstevel@tonic-gate * Replace values for the DB package.
117*7c478bd9Sstevel@tonic-gate */
118*7c478bd9Sstevel@tonic-gate int
db_value_set(value,which)119*7c478bd9Sstevel@tonic-gate db_value_set(value, which)
120*7c478bd9Sstevel@tonic-gate int value, which;
121*7c478bd9Sstevel@tonic-gate {
122*7c478bd9Sstevel@tonic-gate int ret;
123*7c478bd9Sstevel@tonic-gate
124*7c478bd9Sstevel@tonic-gate switch (which) {
125*7c478bd9Sstevel@tonic-gate case DB_MUTEXLOCKS:
126*7c478bd9Sstevel@tonic-gate DB_GLOBAL(db_mutexlocks) = value;
127*7c478bd9Sstevel@tonic-gate break;
128*7c478bd9Sstevel@tonic-gate case DB_PAGEYIELD:
129*7c478bd9Sstevel@tonic-gate DB_GLOBAL(db_pageyield) = value;
130*7c478bd9Sstevel@tonic-gate break;
131*7c478bd9Sstevel@tonic-gate case DB_REGION_ANON:
132*7c478bd9Sstevel@tonic-gate if (value != 0 && (ret = __db_mapanon_ok(0)) != 0)
133*7c478bd9Sstevel@tonic-gate return (ret);
134*7c478bd9Sstevel@tonic-gate DB_GLOBAL(db_region_anon) = value;
135*7c478bd9Sstevel@tonic-gate break;
136*7c478bd9Sstevel@tonic-gate case DB_REGION_INIT:
137*7c478bd9Sstevel@tonic-gate DB_GLOBAL(db_region_init) = value;
138*7c478bd9Sstevel@tonic-gate break;
139*7c478bd9Sstevel@tonic-gate case DB_REGION_NAME:
140*7c478bd9Sstevel@tonic-gate if (value != 0 && (ret = __db_mapanon_ok(1)) != 0)
141*7c478bd9Sstevel@tonic-gate return (ret);
142*7c478bd9Sstevel@tonic-gate DB_GLOBAL(db_region_anon) = value;
143*7c478bd9Sstevel@tonic-gate break;
144*7c478bd9Sstevel@tonic-gate case DB_TSL_SPINS:
145*7c478bd9Sstevel@tonic-gate if (value <= 0)
146*7c478bd9Sstevel@tonic-gate return (EINVAL);
147*7c478bd9Sstevel@tonic-gate DB_GLOBAL(db_tsl_spins) = value;
148*7c478bd9Sstevel@tonic-gate break;
149*7c478bd9Sstevel@tonic-gate default:
150*7c478bd9Sstevel@tonic-gate return (EINVAL);
151*7c478bd9Sstevel@tonic-gate }
152*7c478bd9Sstevel@tonic-gate return (0);
153*7c478bd9Sstevel@tonic-gate }
154