netbsd32_sem.c revision 1.2.10.2
1 1.2.10.2 reinoud /* $NetBSD: netbsd32_sem.c,v 1.2.10.2 2007/03/29 19:27:42 reinoud Exp $ */ 2 1.1 cube 3 1.1 cube /* 4 1.1 cube * Copyright (c) 2006 The NetBSD Foundation. 5 1.1 cube * All rights reserved. 6 1.1 cube * 7 1.1 cube * This code is derived from software contributed to the NetBSD Foundation 8 1.1 cube * by Quentin Garnier. 9 1.1 cube * 10 1.1 cube * Redistribution and use in source and binary forms, with or without 11 1.1 cube * modification, are permitted provided that the following conditions 12 1.1 cube * are met: 13 1.1 cube * 1. Redistributions of source code must retain the above copyright 14 1.1 cube * notice, this list of conditions and the following disclaimer. 15 1.1 cube * 2. Redistributions in binary form must reproduce the above copyright 16 1.1 cube * notice, this list of conditions and the following disclaimer in the 17 1.1 cube * documentation and/or other materials provided with the distribution. 18 1.1 cube * 3. All advertising materials mentioning features or use of this software 19 1.1 cube * must display the following acknowledgement: 20 1.1 cube * This product includes software developed by the NetBSD 21 1.1 cube * Foundation, Inc. and its contributors. 22 1.1 cube * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.1 cube * contributors may be used to endorse or promote products derived 24 1.1 cube * from this software without specific prior written permission. 25 1.1 cube * 26 1.1 cube * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.1 cube * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.1 cube * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.1 cube * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.1 cube * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.1 cube * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.1 cube * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.1 cube * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.1 cube * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.1 cube * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.1 cube * POSSIBILITY OF SUCH DAMAGE. 37 1.1 cube */ 38 1.1 cube 39 1.1 cube #include <sys/cdefs.h> 40 1.2.10.2 reinoud __KERNEL_RCSID(0, "$NetBSD: netbsd32_sem.c,v 1.2.10.2 2007/03/29 19:27:42 reinoud Exp $"); 41 1.1 cube 42 1.1 cube #ifdef _KERNEL_OPT 43 1.1 cube #include "opt_posix.h" 44 1.1 cube #endif 45 1.1 cube 46 1.1 cube #include <sys/types.h> 47 1.1 cube #include <sys/param.h> 48 1.1 cube #include <sys/systm.h> 49 1.1 cube #include <sys/kernel.h> 50 1.1 cube #include <sys/dirent.h> 51 1.1 cube #include <sys/ksem.h> 52 1.1 cube #include <sys/mount.h> 53 1.1 cube #include <sys/proc.h> 54 1.1 cube #include <sys/syscallargs.h> 55 1.1 cube 56 1.1 cube #include <compat/netbsd32/netbsd32.h> 57 1.1 cube #include <compat/netbsd32/netbsd32_syscallargs.h> 58 1.1 cube #include <compat/netbsd32/netbsd32_conv.h> 59 1.1 cube 60 1.1 cube static int 61 1.1 cube netbsd32_ksem_copyout(const void *src, void *dst, size_t size) 62 1.1 cube { 63 1.1 cube const semid_t *idp = src; 64 1.1 cube netbsd32_semid_t id32, *outidp = dst; 65 1.1 cube 66 1.1 cube KASSERT(size == sizeof(semid_t)); 67 1.1 cube 68 1.2.10.1 reinoud /* Returning a kernel pointer to userspace sucks badly :-( */ 69 1.2.10.1 reinoud id32 = (netbsd32_semid_t)*idp; 70 1.1 cube return copyout(&id32, outidp, sizeof(id32)); 71 1.1 cube } 72 1.1 cube 73 1.1 cube int 74 1.1 cube netbsd32__ksem_init(struct lwp *l, void *v, register_t *retval) 75 1.1 cube { 76 1.1 cube struct netbsd32__ksem_init_args /* { 77 1.1 cube syscallarg(unsigned int) value; 78 1.1 cube syscallarg(netbsd32_semidp_t) idp; 79 1.1 cube } */ *uap = v; 80 1.1 cube 81 1.1 cube return do_ksem_init(l, SCARG(uap, value), 82 1.2.10.2 reinoud SCARG_P32(uap, idp), netbsd32_ksem_copyout); 83 1.1 cube } 84 1.1 cube 85 1.1 cube int 86 1.1 cube netbsd32__ksem_open(struct lwp *l, void *v, register_t *retval) 87 1.1 cube { 88 1.1 cube struct netbsd32__ksem_open_args /* { 89 1.1 cube syscallarg(const netbsd32_charp) name; 90 1.1 cube syscallarg(int) oflag; 91 1.1 cube syscallarg(mode_t) mode; 92 1.1 cube syscallarg(unsigned int) value; 93 1.1 cube syscallarg(netbsd32_semidp_t) idp; 94 1.1 cube } */ *uap = v; 95 1.1 cube 96 1.2.10.2 reinoud return do_ksem_open(l, SCARG_P32(uap, name), 97 1.1 cube SCARG(uap, oflag), SCARG(uap, mode), SCARG(uap, value), 98 1.2.10.2 reinoud SCARG_P32(uap, idp), netbsd32_ksem_copyout); 99 1.1 cube } 100 1.1 cube 101 1.1 cube int 102 1.1 cube netbsd32__ksem_unlink(struct lwp *l, void *v, register_t *retval) 103 1.1 cube { 104 1.1 cube struct netbsd32__ksem_unlink_args /* { 105 1.1 cube syscallarg(const netbsd32_charp) name; 106 1.1 cube } */ *uap = v; 107 1.1 cube struct sys__ksem_unlink_args ua; 108 1.1 cube 109 1.1 cube NETBSD32TOP_UAP(name, const char); 110 1.1 cube return sys__ksem_unlink(l, &ua, retval); 111 1.1 cube } 112 1.1 cube 113 1.1 cube int 114 1.1 cube netbsd32__ksem_close(struct lwp *l, void *v, register_t *retval) 115 1.1 cube { 116 1.1 cube struct netbsd32__ksem_close_args /* { 117 1.1 cube syscallarg(netbsd32_semid_t) id; 118 1.1 cube } */ *uap = v; 119 1.1 cube struct sys__ksem_close_args ua; 120 1.1 cube 121 1.1 cube NETBSD32TOX_UAP(id, semid_t); 122 1.1 cube return sys__ksem_close(l, &ua, retval); 123 1.1 cube } 124 1.1 cube 125 1.1 cube int 126 1.1 cube netbsd32__ksem_post(struct lwp *l, void *v, register_t *retval) 127 1.1 cube { 128 1.1 cube struct netbsd32__ksem_post_args /* { 129 1.1 cube syscallarg(netbsd32_semid_t) id; 130 1.1 cube } */ *uap = v; 131 1.1 cube struct sys__ksem_post_args ua; 132 1.1 cube 133 1.1 cube NETBSD32TOX_UAP(id, semid_t); 134 1.1 cube return sys__ksem_post(l, &ua, retval); 135 1.1 cube } 136 1.1 cube 137 1.1 cube int 138 1.1 cube netbsd32__ksem_wait(struct lwp *l, void *v, register_t *retval) 139 1.1 cube { 140 1.1 cube struct netbsd32__ksem_wait_args /* { 141 1.1 cube syscallarg(netbsd32_semid_t) id; 142 1.1 cube } */ *uap = v; 143 1.1 cube struct sys__ksem_wait_args ua; 144 1.1 cube 145 1.1 cube NETBSD32TOX_UAP(id, semid_t); 146 1.1 cube return sys__ksem_wait(l, &ua, retval); 147 1.1 cube } 148 1.1 cube 149 1.1 cube int 150 1.1 cube netbsd32__ksem_trywait(struct lwp *l, void *v, register_t *retval) 151 1.1 cube { 152 1.1 cube struct netbsd32__ksem_trywait_args /* { 153 1.1 cube syscallarg(netbsd32_semid_t) id; 154 1.1 cube } */ *uap = v; 155 1.1 cube struct sys__ksem_trywait_args ua; 156 1.1 cube 157 1.1 cube NETBSD32TOX_UAP(id, semid_t); 158 1.1 cube return sys__ksem_trywait(l, &ua, retval); 159 1.1 cube } 160 1.1 cube 161 1.1 cube int 162 1.1 cube netbsd32__ksem_destroy(struct lwp *l, void *v, register_t *retval) 163 1.1 cube { 164 1.1 cube struct netbsd32__ksem_destroy_args /* { 165 1.1 cube syscallarg(netbsd32_semid_t) id; 166 1.1 cube } */ *uap = v; 167 1.1 cube struct sys__ksem_destroy_args ua; 168 1.1 cube 169 1.1 cube NETBSD32TOX_UAP(id, semid_t); 170 1.1 cube return sys__ksem_destroy(l, &ua, retval); 171 1.1 cube } 172 1.1 cube 173 1.1 cube int 174 1.1 cube netbsd32__ksem_getvalue(struct lwp *l, void *v, register_t *retval) 175 1.1 cube { 176 1.1 cube struct netbsd32__ksem_getvalue_args /* { 177 1.1 cube syscallarg(netbsd32_semid_t) id; 178 1.1 cube syscallarg(netbsd32_intp) value; 179 1.1 cube } */ *uap = v; 180 1.1 cube struct sys__ksem_getvalue_args ua; 181 1.1 cube 182 1.1 cube NETBSD32TOX_UAP(id, semid_t); 183 1.1 cube NETBSD32TOP_UAP(value, unsigned int); 184 1.1 cube return sys__ksem_getvalue(l, &ua, retval); 185 1.1 cube } 186
Indexes created Sat Sep 27 22:09:54 GMT 2025