1 /* $NetBSD: kmem.c,v 1.1 2018/05/28 21:05:09 chs Exp $ */ 2 3 /*- 4 * Copyright (c) 2017 The NetBSD Foundation, Inc. 5 * 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/kmem.h> 30 31 #undef kmem_alloc 32 #undef kmem_zalloc 33 #undef kmem_free 34 35 /* 36 * Solaris allows allocating zero bytes (which returns NULL) 37 * and freeing a NULL pointer (which does nothing), 38 * so allow that here with wrappers around the native functions 39 * (which do not allow those things). 40 */ 41 42 void * 43 solaris_kmem_alloc(size_t size, int flags) 44 { 45 46 if (size == 0) 47 return NULL; 48 return kmem_alloc(size, flags); 49 } 50 51 void * 52 solaris_kmem_zalloc(size_t size, int flags) 53 { 54 55 if (size == 0) 56 return NULL; 57 return kmem_zalloc(size, flags); 58 } 59 60 void 61 solaris_kmem_free(void *buf, size_t size) 62 { 63 64 if (buf == NULL) 65 return; 66 kmem_free(buf, size); 67 } 68