/* * 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 #include #include #include #include #include #include #include #include #include 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); }