netbsd32_sem.c revision 1.2.6.2
1 1.2.6.2 ad /* $NetBSD: netbsd32_sem.c,v 1.2.6.2 2007/10/09 13:44:06 ad 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 * Redistribution and use in source and binary forms, with or without 8 1.1 cube * modification, are permitted provided that the following conditions 9 1.1 cube * are met: 10 1.1 cube * 1. Redistributions of source code must retain the above copyright 11 1.1 cube * notice, this list of conditions and the following disclaimer. 12 1.1 cube * 2. Redistributions in binary form must reproduce the above copyright 13 1.1 cube * notice, this list of conditions and the following disclaimer in the 14 1.1 cube * documentation and/or other materials provided with the distribution. 15 1.2.6.2 ad * 3. Neither the name of The NetBSD Foundation nor the names of its 16 1.1 cube * contributors may be used to endorse or promote products derived 17 1.1 cube * from this software without specific prior written permission. 18 1.1 cube * 19 1.1 cube * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.1 cube * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.1 cube * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.1 cube * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.1 cube * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.1 cube * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.1 cube * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.1 cube * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.1 cube * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.1 cube * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.1 cube * POSSIBILITY OF SUCH DAMAGE. 30 1.1 cube */ 31 1.1 cube 32 1.1 cube #include <sys/cdefs.h> 33 1.2.6.2 ad __KERNEL_RCSID(0, "$NetBSD: netbsd32_sem.c,v 1.2.6.2 2007/10/09 13:44:06 ad Exp $"); 34 1.1 cube 35 1.1 cube #ifdef _KERNEL_OPT 36 1.1 cube #include "opt_posix.h" 37 1.1 cube #endif 38 1.1 cube 39 1.1 cube #include <sys/types.h> 40 1.1 cube #include <sys/param.h> 41 1.1 cube #include <sys/systm.h> 42 1.1 cube #include <sys/kernel.h> 43 1.1 cube #include <sys/dirent.h> 44 1.1 cube #include <sys/ksem.h> 45 1.1 cube #include <sys/mount.h> 46 1.1 cube #include <sys/proc.h> 47 1.1 cube #include <sys/syscallargs.h> 48 1.1 cube 49 1.1 cube #include <compat/netbsd32/netbsd32.h> 50 1.1 cube #include <compat/netbsd32/netbsd32_syscallargs.h> 51 1.1 cube #include <compat/netbsd32/netbsd32_conv.h> 52 1.1 cube 53 1.1 cube static int 54 1.1 cube netbsd32_ksem_copyout(const void *src, void *dst, size_t size) 55 1.1 cube { 56 1.1 cube const semid_t *idp = src; 57 1.1 cube netbsd32_semid_t id32, *outidp = dst; 58 1.1 cube 59 1.1 cube KASSERT(size == sizeof(semid_t)); 60 1.1 cube 61 1.2.6.1 ad /* Returning a kernel pointer to userspace sucks badly :-( */ 62 1.2.6.1 ad id32 = (netbsd32_semid_t)*idp; 63 1.1 cube return copyout(&id32, outidp, sizeof(id32)); 64 1.1 cube } 65 1.1 cube 66 1.1 cube int 67 1.1 cube netbsd32__ksem_init(struct lwp *l, void *v, register_t *retval) 68 1.1 cube { 69 1.1 cube struct netbsd32__ksem_init_args /* { 70 1.1 cube syscallarg(unsigned int) value; 71 1.1 cube syscallarg(netbsd32_semidp_t) idp; 72 1.1 cube } */ *uap = v; 73 1.1 cube 74 1.1 cube return do_ksem_init(l, SCARG(uap, value), 75 1.2.6.1 ad SCARG_P32(uap, idp), netbsd32_ksem_copyout); 76 1.1 cube } 77 1.1 cube 78 1.1 cube int 79 1.1 cube netbsd32__ksem_open(struct lwp *l, void *v, register_t *retval) 80 1.1 cube { 81 1.1 cube struct netbsd32__ksem_open_args /* { 82 1.1 cube syscallarg(const netbsd32_charp) name; 83 1.1 cube syscallarg(int) oflag; 84 1.1 cube syscallarg(mode_t) mode; 85 1.1 cube syscallarg(unsigned int) value; 86 1.1 cube syscallarg(netbsd32_semidp_t) idp; 87 1.1 cube } */ *uap = v; 88 1.1 cube 89 1.2.6.1 ad return do_ksem_open(l, SCARG_P32(uap, name), 90 1.1 cube SCARG(uap, oflag), SCARG(uap, mode), SCARG(uap, value), 91 1.2.6.1 ad SCARG_P32(uap, idp), netbsd32_ksem_copyout); 92 1.1 cube } 93 1.1 cube 94 1.1 cube int 95 1.1 cube netbsd32__ksem_unlink(struct lwp *l, void *v, register_t *retval) 96 1.1 cube { 97 1.1 cube struct netbsd32__ksem_unlink_args /* { 98 1.1 cube syscallarg(const netbsd32_charp) name; 99 1.1 cube } */ *uap = v; 100 1.1 cube struct sys__ksem_unlink_args ua; 101 1.1 cube 102 1.1 cube NETBSD32TOP_UAP(name, const char); 103 1.1 cube return sys__ksem_unlink(l, &ua, retval); 104 1.1 cube } 105 1.1 cube 106 1.1 cube int 107 1.1 cube netbsd32__ksem_close(struct lwp *l, void *v, register_t *retval) 108 1.1 cube { 109 1.1 cube struct netbsd32__ksem_close_args /* { 110 1.1 cube syscallarg(netbsd32_semid_t) id; 111 1.1 cube } */ *uap = v; 112 1.1 cube struct sys__ksem_close_args ua; 113 1.1 cube 114 1.1 cube NETBSD32TOX_UAP(id, semid_t); 115 1.1 cube return sys__ksem_close(l, &ua, retval); 116 1.1 cube } 117 1.1 cube 118 1.1 cube int 119 1.1 cube netbsd32__ksem_post(struct lwp *l, void *v, register_t *retval) 120 1.1 cube { 121 1.1 cube struct netbsd32__ksem_post_args /* { 122 1.1 cube syscallarg(netbsd32_semid_t) id; 123 1.1 cube } */ *uap = v; 124 1.1 cube struct sys__ksem_post_args ua; 125 1.1 cube 126 1.1 cube NETBSD32TOX_UAP(id, semid_t); 127 1.1 cube return sys__ksem_post(l, &ua, retval); 128 1.1 cube } 129 1.1 cube 130 1.1 cube int 131 1.1 cube netbsd32__ksem_wait(struct lwp *l, void *v, register_t *retval) 132 1.1 cube { 133 1.1 cube struct netbsd32__ksem_wait_args /* { 134 1.1 cube syscallarg(netbsd32_semid_t) id; 135 1.1 cube } */ *uap = v; 136 1.1 cube struct sys__ksem_wait_args ua; 137 1.1 cube 138 1.1 cube NETBSD32TOX_UAP(id, semid_t); 139 1.1 cube return sys__ksem_wait(l, &ua, retval); 140 1.1 cube } 141 1.1 cube 142 1.1 cube int 143 1.1 cube netbsd32__ksem_trywait(struct lwp *l, void *v, register_t *retval) 144 1.1 cube { 145 1.1 cube struct netbsd32__ksem_trywait_args /* { 146 1.1 cube syscallarg(netbsd32_semid_t) id; 147 1.1 cube } */ *uap = v; 148 1.1 cube struct sys__ksem_trywait_args ua; 149 1.1 cube 150 1.1 cube NETBSD32TOX_UAP(id, semid_t); 151 1.1 cube return sys__ksem_trywait(l, &ua, retval); 152 1.1 cube } 153 1.1 cube 154 1.1 cube int 155 1.1 cube netbsd32__ksem_destroy(struct lwp *l, void *v, register_t *retval) 156 1.1 cube { 157 1.1 cube struct netbsd32__ksem_destroy_args /* { 158 1.1 cube syscallarg(netbsd32_semid_t) id; 159 1.1 cube } */ *uap = v; 160 1.1 cube struct sys__ksem_destroy_args ua; 161 1.1 cube 162 1.1 cube NETBSD32TOX_UAP(id, semid_t); 163 1.1 cube return sys__ksem_destroy(l, &ua, retval); 164 1.1 cube } 165 1.1 cube 166 1.1 cube int 167 1.1 cube netbsd32__ksem_getvalue(struct lwp *l, void *v, register_t *retval) 168 1.1 cube { 169 1.1 cube struct netbsd32__ksem_getvalue_args /* { 170 1.1 cube syscallarg(netbsd32_semid_t) id; 171 1.1 cube syscallarg(netbsd32_intp) value; 172 1.1 cube } */ *uap = v; 173 1.1 cube struct sys__ksem_getvalue_args ua; 174 1.1 cube 175 1.1 cube NETBSD32TOX_UAP(id, semid_t); 176 1.1 cube NETBSD32TOP_UAP(value, unsigned int); 177 1.1 cube return sys__ksem_getvalue(l, &ua, retval); 178 1.1 cube } 179
Indexes created Sun Sep 28 12:09:53 GMT 2025