1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate *
4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate * with the License.
8*7c478bd9Sstevel@tonic-gate *
9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate *
14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate *
20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate */
22*7c478bd9Sstevel@tonic-gate /*
23*7c478bd9Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms.
25*7c478bd9Sstevel@tonic-gate */
26*7c478bd9Sstevel@tonic-gate
27*7c478bd9Sstevel@tonic-gate #include <stdlib.h>
28*7c478bd9Sstevel@tonic-gate #include <strings.h>
29*7c478bd9Sstevel@tonic-gate #include <umem.h>
30*7c478bd9Sstevel@tonic-gate #include <poll.h>
31*7c478bd9Sstevel@tonic-gate #include <errno.h>
32*7c478bd9Sstevel@tonic-gate
33*7c478bd9Sstevel@tonic-gate #include <fmd_alloc.h>
34*7c478bd9Sstevel@tonic-gate #include <fmd_subr.h>
35*7c478bd9Sstevel@tonic-gate #include <fmd_module.h>
36*7c478bd9Sstevel@tonic-gate #include <fmd_scheme.h>
37*7c478bd9Sstevel@tonic-gate #include <fmd.h>
38*7c478bd9Sstevel@tonic-gate
39*7c478bd9Sstevel@tonic-gate void *
fmd_alloc(size_t size,int flags)40*7c478bd9Sstevel@tonic-gate fmd_alloc(size_t size, int flags)
41*7c478bd9Sstevel@tonic-gate {
42*7c478bd9Sstevel@tonic-gate void *data = umem_alloc(size, UMEM_DEFAULT);
43*7c478bd9Sstevel@tonic-gate uint_t try, lim, msecs;
44*7c478bd9Sstevel@tonic-gate
45*7c478bd9Sstevel@tonic-gate if (data != NULL || size == 0 || !(flags & FMD_SLEEP))
46*7c478bd9Sstevel@tonic-gate return (data); /* in common cases just return result */
47*7c478bd9Sstevel@tonic-gate
48*7c478bd9Sstevel@tonic-gate lim = fmd.d_alloc_tries;
49*7c478bd9Sstevel@tonic-gate msecs = fmd.d_alloc_msecs;
50*7c478bd9Sstevel@tonic-gate
51*7c478bd9Sstevel@tonic-gate for (try = 0; data == NULL && try < lim; try++) {
52*7c478bd9Sstevel@tonic-gate (void) poll(NULL, 0, msecs);
53*7c478bd9Sstevel@tonic-gate msecs *= 10;
54*7c478bd9Sstevel@tonic-gate data = umem_alloc(size, UMEM_DEFAULT);
55*7c478bd9Sstevel@tonic-gate }
56*7c478bd9Sstevel@tonic-gate
57*7c478bd9Sstevel@tonic-gate if (data == NULL) {
58*7c478bd9Sstevel@tonic-gate fmd_modhash_tryapply(fmd.d_mod_hash, fmd_module_trygc);
59*7c478bd9Sstevel@tonic-gate fmd_scheme_hash_trygc(fmd.d_schemes);
60*7c478bd9Sstevel@tonic-gate data = umem_alloc(size, UMEM_DEFAULT);
61*7c478bd9Sstevel@tonic-gate }
62*7c478bd9Sstevel@tonic-gate
63*7c478bd9Sstevel@tonic-gate if (data == NULL)
64*7c478bd9Sstevel@tonic-gate fmd_panic("insufficient memory (%u bytes needed)\n", size);
65*7c478bd9Sstevel@tonic-gate
66*7c478bd9Sstevel@tonic-gate return (data);
67*7c478bd9Sstevel@tonic-gate }
68*7c478bd9Sstevel@tonic-gate
69*7c478bd9Sstevel@tonic-gate void *
fmd_zalloc(size_t size,int flags)70*7c478bd9Sstevel@tonic-gate fmd_zalloc(size_t size, int flags)
71*7c478bd9Sstevel@tonic-gate {
72*7c478bd9Sstevel@tonic-gate void *data = fmd_alloc(size, flags);
73*7c478bd9Sstevel@tonic-gate
74*7c478bd9Sstevel@tonic-gate if (data != NULL)
75*7c478bd9Sstevel@tonic-gate bzero(data, size);
76*7c478bd9Sstevel@tonic-gate
77*7c478bd9Sstevel@tonic-gate return (data);
78*7c478bd9Sstevel@tonic-gate }
79*7c478bd9Sstevel@tonic-gate
80*7c478bd9Sstevel@tonic-gate void
fmd_free(void * data,size_t size)81*7c478bd9Sstevel@tonic-gate fmd_free(void *data, size_t size)
82*7c478bd9Sstevel@tonic-gate {
83*7c478bd9Sstevel@tonic-gate umem_free(data, size);
84*7c478bd9Sstevel@tonic-gate }
85