1 /* $NetBSD: misc.c,v 1.10 2022/07/30 13:09:19 riastradh Exp $ */ 2 3 /*- 4 * Copyright (c) 2009 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Andrew Doran. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /*- 33 * Copyright (c) 2007 Pawel Jakub Dawidek <pjd (at) FreeBSD.org> 34 * All rights reserved. 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions 38 * are met: 39 * 1. Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * 2. Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in the 43 * documentation and/or other materials provided with the distribution. 44 * 45 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 46 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 47 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 48 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 49 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 50 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 51 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 52 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 53 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 54 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 55 * SUCH DAMAGE. 56 */ 57 58 #include <sys/cdefs.h> 59 /* __FBSDID("$FreeBSD: head/sys/cddl/compat/opensolaris/kern/opensolaris_misc.c 219089 2011-02-27 19:41:40Z pjd $"); */ 60 61 62 #include <sys/mount.h> 63 #include <sys/param.h> 64 #include <sys/kernel.h> 65 #include <sys/systm.h> 66 #include <sys/misc.h> 67 #include <sys/sunddi.h> 68 #include <sys/utsname.h> 69 #include <sys/vnode.h> 70 #include <sys/mount.h> 71 #include <sys/pool.h> 72 #include <sys/buf.h> 73 74 char hw_serial[11] = "0"; 75 76 struct utsname utsname; 77 78 void 79 opensolaris_utsname_init(void *arg) 80 { 81 82 strlcpy(utsname.sysname, ostype, sizeof(utsname.sysname)); 83 strlcpy(utsname.nodename, hostname, sizeof(utsname.nodename)); 84 strlcpy(utsname.release, osrelease, sizeof(utsname.release)); 85 strlcpy(utsname.version, version, sizeof(utsname.version)); 86 strlcpy(utsname.machine, machine, sizeof(utsname.machine)); 87 } 88 89 int 90 vn_is_readonly(vnode_t *vp) 91 { 92 93 return (vp->v_mount->mnt_flag & MNT_RDONLY); 94 } 95 96 kthread_t * 97 solaris__thread_create(void * stk, size_t stksize, void (*proc)(), void *arg, 98 size_t len, proc_t *pp, int state, pri_t pri, const char *name) 99 { 100 int error; 101 lwp_t *thr; 102 103 //ASSERT(stk == NULL && stksize == 0 && len == 0); 104 ASSERT(stk == NULL && len == 0); 105 ASSERT(state == TS_RUN); 106 107 error = kthread_create(pri, KTHREAD_MPSAFE, NULL, 108 proc, arg, &thr, "%s", name); 109 KASSERT(error == 0); 110 return thr; 111 } 112 113 void 114 thread_exit(void) 115 { 116 117 kthread_exit(0); 118 } 119 120 void 121 thread_join(uint64_t kid) 122 { 123 124 return; 125 } 126 127 void 128 kmem_reap(void) 129 { 130 int bufcnt; 131 struct pool *pp; 132 133 bufcnt = uvmexp.freetarg - uvm_availmem(false); 134 if (bufcnt < 0) 135 bufcnt = 0; 136 137 /* 138 * kill unused metadata buffers. 139 */ 140 mutex_enter(&bufcache_lock); 141 buf_drain(bufcnt << PAGE_SHIFT); 142 mutex_exit(&bufcache_lock); 143 144 /* 145 * drain the pools. 146 */ 147 pool_drain(&pp); 148 } 149 150 /* 151 * Zero out the structure, set the size of the requested/returned bitmaps, 152 * set AT_XVATTR in the embedded vattr_t's va_mask, and set up the pointer 153 * to the returned attributes array. 154 */ 155 void 156 xva_init(xvattr_t *xvap) 157 { 158 bzero(xvap, sizeof (xvattr_t)); 159 xvap->xva_mapsize = XVA_MAPSIZE; 160 xvap->xva_magic = XVA_MAGIC; 161 xvap->xva_vattr.va_mask = AT_XVATTR; 162 xvap->xva_rtnattrmapp = &(xvap->xva_rtnattrmap)[0]; 163 } 164 165 166 /* 167 * If AT_XVATTR is set, returns a pointer to the embedded xoptattr_t 168 * structure. Otherwise, returns NULL. 169 */ 170 xoptattr_t * 171 xva_getxoptattr(xvattr_t *xvap) 172 { 173 xoptattr_t *xoap = NULL; 174 if (xvap->xva_vattr.va_mask & AT_XVATTR) 175 xoap = &xvap->xva_xoptattrs; 176 return (xoap); 177 } 178
Indexes created Fri Aug 07 00:26:27 UTC 2026