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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <stdlib.h>
#include <strings.h>
#include <umem.h>
#include <poll.h>
#include <errno.h>
#include <fmd_alloc.h>
#include <fmd_subr.h>
#include <fmd_module.h>
#include <fmd_scheme.h>
#include <fmd.h>
void *
fmd_alloc(size_t size, int flags)
{
void *data = umem_alloc(size, UMEM_DEFAULT);
uint_t try, lim, msecs;
if (data != NULL || size == 0 || !(flags & FMD_SLEEP))
return (data); /* in common cases just return result */
lim = fmd.d_alloc_tries;
msecs = fmd.d_alloc_msecs;
for (try = 0; data == NULL && try < lim; try++) {
(void) poll(NULL, 0, msecs);
msecs *= 10;
data = umem_alloc(size, UMEM_DEFAULT);
}
if (data == NULL) {
fmd_modhash_tryapply(fmd.d_mod_hash, fmd_module_trygc);
fmd_scheme_hash_trygc(fmd.d_schemes);
data = umem_alloc(size, UMEM_DEFAULT);
}
if (data == NULL)
fmd_panic("insufficient memory (%u bytes needed)\n", size);
return (data);
}
void *
fmd_zalloc(size_t size, int flags)
{
void *data = fmd_alloc(size, flags);
if (data != NULL)
bzero(data, size);
return (data);
}
void
fmd_free(void *data, size_t size)
{
umem_free(data, size);
}
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