1 /* $NetBSD: netbsd32_sem.c,v 1.1 2006/03/05 01:28:20 cube Exp $ */ 2 3 /* 4 * Copyright (c) 2006 The NetBSD Foundation. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to the NetBSD Foundation 8 * by Quentin Garnier. 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: netbsd32_sem.c,v 1.1 2006/03/05 01:28:20 cube Exp $"); 41 42 #ifdef _KERNEL_OPT 43 #include "opt_posix.h" 44 #endif 45 46 #include <sys/types.h> 47 #include <sys/param.h> 48 #include <sys/systm.h> 49 #include <sys/kernel.h> 50 #include <sys/dirent.h> 51 #include <sys/ksem.h> 52 #include <sys/mount.h> 53 #include <sys/proc.h> 54 #include <sys/sa.h> 55 #include <sys/syscallargs.h> 56 57 #include <compat/netbsd32/netbsd32.h> 58 #include <compat/netbsd32/netbsd32_syscallargs.h> 59 #include <compat/netbsd32/netbsd32_conv.h> 60 61 static int 62 netbsd32_ksem_copyout(const void *src, void *dst, size_t size) 63 { 64 const semid_t *idp = src; 65 netbsd32_semid_t id32, *outidp = dst; 66 67 KASSERT(size == sizeof(semid_t)); 68 69 id32 = (netbsd32_semidp_t)(*idp & 0xffffffff); 70 return copyout(&id32, outidp, sizeof(id32)); 71 } 72 73 int 74 netbsd32__ksem_init(struct lwp *l, void *v, register_t *retval) 75 { 76 struct netbsd32__ksem_init_args /* { 77 syscallarg(unsigned int) value; 78 syscallarg(netbsd32_semidp_t) idp; 79 } */ *uap = v; 80 81 return do_ksem_init(l, SCARG(uap, value), 82 NETBSD32PTR64(SCARG(uap, idp)), netbsd32_ksem_copyout); 83 } 84 85 int 86 netbsd32__ksem_open(struct lwp *l, void *v, register_t *retval) 87 { 88 struct netbsd32__ksem_open_args /* { 89 syscallarg(const netbsd32_charp) name; 90 syscallarg(int) oflag; 91 syscallarg(mode_t) mode; 92 syscallarg(unsigned int) value; 93 syscallarg(netbsd32_semidp_t) idp; 94 } */ *uap = v; 95 96 return do_ksem_open(l, NETBSD32PTR64(SCARG(uap, name)), 97 SCARG(uap, oflag), SCARG(uap, mode), SCARG(uap, value), 98 NETBSD32PTR64(SCARG(uap, idp)), netbsd32_ksem_copyout); 99 } 100 101 int 102 netbsd32__ksem_unlink(struct lwp *l, void *v, register_t *retval) 103 { 104 struct netbsd32__ksem_unlink_args /* { 105 syscallarg(const netbsd32_charp) name; 106 } */ *uap = v; 107 struct sys__ksem_unlink_args ua; 108 109 NETBSD32TOP_UAP(name, const char); 110 return sys__ksem_unlink(l, &ua, retval); 111 } 112 113 int 114 netbsd32__ksem_close(struct lwp *l, void *v, register_t *retval) 115 { 116 struct netbsd32__ksem_close_args /* { 117 syscallarg(netbsd32_semid_t) id; 118 } */ *uap = v; 119 struct sys__ksem_close_args ua; 120 121 NETBSD32TOX_UAP(id, semid_t); 122 return sys__ksem_close(l, &ua, retval); 123 } 124 125 int 126 netbsd32__ksem_post(struct lwp *l, void *v, register_t *retval) 127 { 128 struct netbsd32__ksem_post_args /* { 129 syscallarg(netbsd32_semid_t) id; 130 } */ *uap = v; 131 struct sys__ksem_post_args ua; 132 133 NETBSD32TOX_UAP(id, semid_t); 134 return sys__ksem_post(l, &ua, retval); 135 } 136 137 int 138 netbsd32__ksem_wait(struct lwp *l, void *v, register_t *retval) 139 { 140 struct netbsd32__ksem_wait_args /* { 141 syscallarg(netbsd32_semid_t) id; 142 } */ *uap = v; 143 struct sys__ksem_wait_args ua; 144 145 NETBSD32TOX_UAP(id, semid_t); 146 return sys__ksem_wait(l, &ua, retval); 147 } 148 149 int 150 netbsd32__ksem_trywait(struct lwp *l, void *v, register_t *retval) 151 { 152 struct netbsd32__ksem_trywait_args /* { 153 syscallarg(netbsd32_semid_t) id; 154 } */ *uap = v; 155 struct sys__ksem_trywait_args ua; 156 157 NETBSD32TOX_UAP(id, semid_t); 158 return sys__ksem_trywait(l, &ua, retval); 159 } 160 161 int 162 netbsd32__ksem_destroy(struct lwp *l, void *v, register_t *retval) 163 { 164 struct netbsd32__ksem_destroy_args /* { 165 syscallarg(netbsd32_semid_t) id; 166 } */ *uap = v; 167 struct sys__ksem_destroy_args ua; 168 169 NETBSD32TOX_UAP(id, semid_t); 170 return sys__ksem_destroy(l, &ua, retval); 171 } 172 173 int 174 netbsd32__ksem_getvalue(struct lwp *l, void *v, register_t *retval) 175 { 176 struct netbsd32__ksem_getvalue_args /* { 177 syscallarg(netbsd32_semid_t) id; 178 syscallarg(netbsd32_intp) value; 179 } */ *uap = v; 180 struct sys__ksem_getvalue_args ua; 181 182 NETBSD32TOX_UAP(id, semid_t); 183 NETBSD32TOP_UAP(value, unsigned int); 184 return sys__ksem_getvalue(l, &ua, retval); 185 } 186